Tri-Tronics DFS21 Manuel utilisateur

1. Establish one of the following conditions:

Beam Make/Proximity - Reflect light off object.

Beam Break - Remove object from light beam path.

OBJECT

Beam Make

Beam Break

DETECTION PATH

OBJECT

REFLECTOR

RECEIVER

LIGHT SOURCE

RECEIVER

LIGHT SOURCE

DETECTION PATH

OBJECT

RECEIVER

LIGHT SOURCE

Proximity Mode

Retroreﬂective Mode

Opposed Mode

DFS21 - Instructions

Features

The Digital Fiber Optic Sensor is designed to provide reliable detection using fiber optic light guides. Sensor is adjusted by

a single push of a button; there is no guess work on the part of the operator. The sensor default settings* (Channel 1, Light State) will work

for most applications.

Follow the three step procedure below:

WIDE VARIETY OF FIBERS

Visit www.ttco.com for full listing.

AUTOSET (l)

1. Push to perform AUTOSET.

2. Instantly optimizes when in Health Monitor Mode

3-WAY ROCKER SWITCH (qp )

1. Manually adjusts the threshold.+/-

2. Alters programming parameters.+/-

Hold to scroll for numeric values.

3. Press down on center to switch channels.

MODE (n)

Tap to access parameters.

FIBER RELEASE CLAMP

Locks fibers in place.

DUAL CHANNEL OUTPUT LEDS

1. Channel 1 or 2 each illuminates solid when

output is ON.

2. Flashes when output is overloaded.

ADVANCED DIAGNOSTIC OLED DISPLAY

See next page for complete listing.

CONNECTION

5-Pin M8 connector or built-in cable.

• Intuitive numerical/percentage diagnostic

OLED display

• Attractive 10mm wide housing

• Low power & wide operating voltage

• Advanced remote programming

• Six AUTOSET modes including window

• Crosstalk rejection between two sensors

without a wire

• Programmable output/input configurations

• High-speed, High-resolution, and Long-range

modes

• Combinable dual timers, and counters

• CE approved

www.ttco.com • 800-237-0946 1

How To Specify

1.Select Sensor: DFS21

Dual Channel Digital

Fiber Optic Sensor

2.Select Light Source:

R = Red

I = Infrared

3.Select Connection:

Blank = 6ft cable (1.8m)

C = 5-pin M8 connector DFS21

Digital Fiber Optic Sensor

Light Source

Connection

Example: DFS21 R C

2.Tap AUTOSET (l) button:

3. Verify setup on advanced diagnostic OLED display. If needed, the

threshold can be altered by tapping up or down on the threshold

adjust rocker.

Signal Level Threshold

* Note: Consult all default settings on page 6.

Pressing the AUTOSET button

sets the sensors threshold to

the desired level.

Advanced Diagnostic OLED Display

Channel 1 &

Channel 2

• Two Individual Thresholds

• Two Individual Outputs

Channel 1 &

Health Monitor

• Health Monitoring System

and Display

• Auto Signal Tracking

Additional Features:

Quick Start

Current

Channel

DFS Dual Channel Sensor

2 www.ttco.com • 800-237-0946

Dynamic

Press the AUTOSET button to start the

Dynamic AUTOSET. Now move the

object through the beam at least once

and press the AUTOSET button again

to complete the Dynamic AUTOSET.

The threshold is set between the

highest and lowest received light levels

caused by the object being passed

through. The threshold can be altered by tapping up or down on the

threshold adjust rocker (see Figure 5).

Sensing Distance

after Autoset

Background

OFF

Object in Motion

Threshold

Using AUTOSET

The DFS threshold is set automatically by

pressing the AUTOSET button. There are six

different ways the sensor determines the

threshold. The user first must determine which

type of setup mode is appropriate for the

application. The simplest and most common mode

we recommend is Light State (LS) setup. It is used

in both beam make and beam break sensing.

When using this mode, the sensor will provide the

best sensitivity to fine changes in light level or contrast. This is

useful for small part detection and precise leading-edge triggering.

Please consult our website at

https://www.ttco.com/sensors/fundamentals or contact one of our

worldwide distributors for application help. We look forward to

providing any assistance you may need.

Note: OLED display will provide intuitive visual feedback during

autosetting. Paying close attention to the display is important.

Midpoint

Place object to be detected in position

at which you want the threshold to be

set and press the AUTOSET button.

The threshold can be altered by

tapping up or down on the threshold

adjust rocker (see Figure 3).

Object Position

@Autoset

Sensing

Distance

Background

OFF

Threshold

Window

Window mode is a unique type of

AUTOSET mode. Window mode

creates two thresholds and can be

used in a similar manor as a dual

channel fiber optic sensor. Place the

object in the position at which you

want to be reliably detect it and press

the AUTOSET button. The DFS will

place two thresholds 10%(default) higher and 10%(default) lower

than the returned light level. Now when the object is passed in view

or through the fiber optic the object will be detected in the same

position +/- 10%. The threshold offset (both thresholds) can be

altered by tapping up or down on the threshold adjust rocker (see

Figure 6).

10% Window Span

OFF

Background

OFF

10%

Object Position

@Autoset

Figure 6

Figure 5

Figure 3

Two-Point

Place object to be detected in the light-

state condition and press the

AUTOSET button. Then remove or

place the object in the dark-state

condition and press the AUTOSET

button again. The threshold will be set

between the two light-beam intensities.

The threshold can be altered by

tapping up or down on the threshold adjust rocker (see Figure 4).

1/2

Sensing

Distance

2nd Autoset

Point

1st Autoset

Point

Background

OFF

1/2

Threshold

Figure 4

Dark State

Place object to be detected in the

worst-case dark-state condition and

press the AUTOSET button. The

threshold will be set 10%(default)

above the received light-beam

intensity. The threshold can be altered

by tapping up or down on the

threshold adjust rocker (see Figure 2).

10%

Sensing

Distance Object Position

@Autoset

Background

OFF

Threshold

Figure 2

Light State (Default)

Place object to be detected in the

worst-case light-state condition and

press the AUTOSET button. The

threshold will be set 10%(default)

below the received light-beam

intensity. The threshold can be altered

by tapping up or down on the

threshold adjust rocker (see Figure 1).

10%

Sensing

Distance

Object Position

@Autoset

Background

OFF

Threshold

Figure 1

Tap MODE (n) to show status screen.

Status Screen shows a quick overview of sensor’s settings.

AUTOSET

Mode

Resonse

Time

Lock

Active

LED

Power

AUTOSET

Percentage

Anti-Crosstalk

Channel

(Status Screen)

Note: Programming will time out after 60 seconds if no action is taken.

Tap and hold MODE (n) to exit status screen.

Hysteresis

Detect

Mode

Current

Channel

System-wide SettingsUnique Channel Settings

Timer

Light-State Set (LS): Sets threshold below received light

beam intensity.

Dark-State Set (DS): Sets threshold above received light

beam intensity.

Midpoint Set (MP): Sets threshold at received light beam

intensity.

Two-point Set (2P): Sets threshold between received light

beam intensity two point.

Dynamic Set (DY): Sets threshold between received light

beam high and low intensity.

Window Set (WN): Sets two thresholds equally spaced

above and below received light beam intensity. Received

light beam intensity within the window is a valid detect.

Outside the window is not a valid detect.

AUTOSET Modes

The sensor’s automatic threshold adjustment is controlled by the AUTOSET mode. Each

AUTOSET mode sets the threshold differently. Select the mode that works best for your

specific application. See details at the left.

AUTOSET Percent

For Light State (LS), Dark State (DS), and Window AUTOSET Modes (WN), the offset

percentage is adjustable. AUTOSET Percent determines threshold placement during

AUTOSET. Placement is a percentage of received light beam intensity.

1% - 50% (Hold to scroll)

AUTOSET Mode:

Light State LS

AUTOSET Mode:

Dark State DS

AUTOSET Mode:

Midpoint MP

AUTOSET Mode:

Two-Point 2P

AUTOSET Mode:

Dynamic DY

AUTOSET Mode:

Window WN

Select

Tap MODE (n) again to access first parameter. Continue tapping to select desired

parameter. Use the threshold/value ADJUST ROCKER (qp) to select or adjust a

specific parameter.

AUTOSET Pct:

10%

ADJUST

Signal

Returned Light

Display

Threshold

Returned

light level

when

AUTOSET is

pressed

MP Setup

Signal

Returned Light

Display

Detect

AUTOSET

(10%)

AUTOSET

(10%)

Returned

light level

when

Autoset

is pressed

Signal

Returned Light

Display

Autoset Pt 1

Threshold

Autoset Pt 2

Signal

Returned Light

Display

Threshold

AUTOSET

(10%)

AUTOSET

(10%)

Returned

light level

when

Autoset

is pressed

LS / DS Setup

2P or DY Setup WN Setup

In Light-On Mode,

a detect occurs

when signal is

within the window.

Programming

When using DUAL CHANNEL: Each channel has three

paramaters (AUTOSET, Detect Mode, and Timers) that can be tailored to your unique

application. System wide parameters are changed in Channel 1. Follow the

programming procedure contained in this section for Channels 1 and 2.

When using SINGLE / HEALTH MONITOR:

Channel 1 has three paramaters AUTOSET, Detect Mode, and Timers that

can be tailored to your unique application as well as several system

parameters. Follow the programming procedure contained in this section

for Channels 1, and see page 6 for detailed instructions pertaining to

Health Monitor.

Switch between Screens 1 and 2

by pressing straight down on the

3-way toggle switch.

www.ttco.com • 800-237-0946 3

Light On (LO): Output activates when received light intensity is over the

threshold. Note: In window mode (WN) output activates when received light

intensity is inside the window thresholds.

Dark On (DO): Output deactivates when received light intensity is over the

threshold. Note: In window mode (WN) output activates when received light

intensity is outside the window thresholds.

Detect Mode

Sensor output activates or deactivated when received light intensity is over the threshold. Not available when

input function is set to Remote Dark On.

OBJECTS

DARK ON

SENSOR

OBJECTS

LIGHT ON

SENSOR

Detect Mode:

Light On LO

Detect Mode:

Dark On DO

Select

Timer/Counter Function #:

Choose from 19 pre-configured timer/counter control functions.

Each one represents a function such as on-delay, off-delay,

etc. Once a function is selected, adjustable parameters of that

function appear such as delay time.

PRESS

On Delay:

10ms

Timer Duration

0.1 - 9.9, 10 - 9999ms

Hold up or down to scroll.

ADJUST

“ON” Delay

OFF

Events

Output

"ON"

Delay

Auto

Input

One-Shot

Input OFF

Events

Output

One-

Shot

One-

Shot

One-

Shot

Motion Detection One ShotOne Shot TriggeredTriggered

Input

OFF

Events

Output

Retriggered

Latching, Edge Triggered

Input

Events

Output

OFF

Reset Required

“ON” Delay then “OFF” Delay

Input

Events

Output

OFF

"ON" "OFF"

Delay Delay

“ON” Delay, then One-Shot

OFFInput

Events

Output

"ON" One-Shot

Delay

“ON” Delay then Latch

Input

OFF

Events

Output

"ON"

Delay Latched

Reset Required

“OFF” Delay then Latch

Input

Events

OFF

Output Reset Required

"OFF"

Delay Latched

Blind One-Shot

OFF

One-Shot Delay, then One-Shot

OFF

Input

Events

Output

One-

Shot

Delay

One-Shot Delay, then Latch

Input

Events

OFF

Output

Delay Latched

Reset Required

Stop Motion, then One-Shot

OFF

Input

Events

Output

Retriggerable

One-Shot

One-

Shot

Stop Motion, then Latch

OFF

Input

Events

Output

Retriggerable

One-Shot

Requires Reset

Latched

Latch then “ON” Delay

Input

Events

Output

OFF

"ON"

Delay

Latch, then One-Shot

One-

Shot

Delay

One-

Shot

Delay

Input

Events

Output

One-

Shot Note:

Output will not occur again

until Reset applied to Latch

OFF

“OFF” Delay Pulse Stretcher

Input OFF

Events

Output

"OFF"

Delay

"OFF"

Delay

"OFF"

Delay

Timer not used.

“OFF” Delay then One-Shot

Input OFF

Events

Output

"OFF"

Delay One-

Shot

Count, One-Shot

18 Input

Events

Output

1234012

One-Shot

One-Shot output occurs on the Nth

detection. For this example N = 5.

Input

Events

Output

Count, Latch

Events

Output

1234567

Reset Required

Latch occurs on Nth detection.

For this example N = 5. Latched

Latched

One Shot One ShotBlind Blind

Reset Required

Input

Timer Func: 00

Bypass

Timer Func: 01

On-Delay

Timer Func: 02

Off-Delay

Timer Func: 03

One-Shot

Timer Func: 04

Motion

Timer Func: 05

Latch

Timer Func: 06

On, Off-Delay

Timer Func: 07

On, One-Shot

Timer Func: 08

On, Latch

Timer Func: 09

Off, One-Shot

Timer Func: 10

Off, Latch

Timer Func: 11

Blind One-Shot

Timer Func: 12

Delayed One-Shot

Timer Func: 13

Delayed Latch

Timer Func: 14

Stop, One-Shot

Timer Func: 15

Stop, Latch

Timer Func: 16

Latch, On-Delay

Timer Func: 17

Latch, One-Shot

Timer Func: 18

Count, One-Shot

Timer Func: 00

Count, Latch

Select

Count:

0005

Counter

0001-9999

Hold up or down to scroll.

ADJUST

4 www.ttco.com • 800-237-0946

Output Mode

Outputs can be set one of three ways:

Output Mode:

PNP - Source

Output Mode:

NPN - Sink

Output Mode:

Push/Pull

Select

Asynchronous Crosstalk

Ultra-High-Speed (UHS): Fastest response time (50us).

Not available in Asynchronous Anti-Crosstalk Mode.

High-Speed (HS): Fast response time with higher sensitivity (125us). Not

available in Asynchronous Anti-Crosstalk Mode.

Standard (STD): Good balance of response time and range for general

purpose sensing (250us).

High-Resolution (HR): Improved resolution for general purpose sensing (1ms).

Long-Range (LR): General purpose sensing with improved range (4ms).

Ultra-Long-Range (ULR): Special purpose sensing with maximum sensitivity

and range (16ms).

Best

Resolution

Fastest

Speed

Response Time:

Ultra-High-Speed

Response Time

Select which mode that best fits the performance need of your application. Sensor speed, range, and sensitivity

are optimized for best performance.

Response Time:

High-Speed

Response Time:

Standard

Response Time:

High-Resolution

Response Time:

Long-Range

Response Time:

Ultra-Lon-Range

Hysteresis:

Low H0

Hysteresis

To avoid false triggers for example due to object vibration. Adjusts the span between the operate point and the

release point of the sensor output. Low hysteresis increases sensitivity and high hysteresis increases sensing

stability.

Hysteresis:

Standard H1

Hysteresis:

High H2

Select

Anti-Crosstalk

Turns on Asynchronous Anti-Crosstalk rejection for two sensors. Note: Channels 1 and 2 cannot be set as

Channels A and B; anti-crosstalk is for use of two seperate sensors.

Not available for UHS and HS modes.

Anti-Crosstalk:

Disabled

Async Crosstalk:

Channel A xA

Async Crosstalk:

Channel B xB

Select

Hysteresis

Distance

Sensing

Distance

OFF

Most Sensitve

Hysteresis

Distance

Sensing

Distance

OFF

Hysteresis

Distance

Sensing

Distance

Most Stable

OFF

Disabled: Turns off Anti-Crosstalk rejection.

Assign one sensor to channel A and the

other to channel B.

}

The following are system wide perameters that can only be adjusted in Channel 1.

(Change channels by pressing straight down on the rocker switch if necessary).

Low (H0): Reduced hysteresis for increased sensitivity.

Standard (H1): Automatic adjustment depending on signal level.

High (H2): Increased hysteresis for increased stability.

PNP - Source: PNP transistor open

collector output.

NPN - Sink: NPN transistor open

collector output.

Push/Pull: NPN and PNP transistor

connected in a push/pull configuration.

LED Power

Emitter LED power set for Channel 1 will override Channel 2 (both will

always be the same), so use Low or High only to prevent invalid

Channel 2 setting.

LED Power:

AUTO 1A

LED Power:

Low 0P

LED Power:

High 1P

Select

Auto: automatically determined during

Channel 1 AUTOSET.

Low: Cuts power to prevent saturation.

Example: short range.

High: Boosts power when signal level is

low. Example: long range.

Channel Configuration

Choice of a Channel 1 and 2, or Channel 1

with Health Monitor:

Channel Config:

Dual Channel

Channel Config:

Single / Health

Select

Dual Channel: Channels 1 and 2 are

independent.

Single / Health: Reconfigures

Channel 2 to be used as the Health

Monitor. See page 6 for Health

Monitor information.

Mounting on a

DIN Rail

1.Hook the DIN rail clip

on the bottom of the

sensor under the

edge of the DIN rail.

2.Gently push and pivot

the sensor onto the

DIN rail, pressing until

it snaps into place.

Fiber Emitter

Fiber Receiver

Fiber Clamp

Move Fiber Clamp forward,

insert fibers, and move clamp

back to secure in place.

Installing the Fibers

1. Open the dust cover.

2. Move the fiber clamp

forward to unlock it.

3. Insert the fiber(s) into the

fiber port(s) until they stop.

4. Move the fiber clamp

backward to secure the

fiber(s).

5. Close the dust cover.

www.ttco.com • 800-237-0946 5

Lock Mode Locks buttons. Note: Input wire remains unlocked.

Display Mode Selects between numeric and percentage modes and flips orientation.

Display Mode:

Numeric

Display Mode:

Percentage

Button Lock:

Disabled

Button Lock:

Enabled

Select

01.0% 99.9%

Sensor Locked

04095 00016

00016 04095

Displayed when sensor is

locked.

Display Mode:

Numeric

Display Mode:

Percentage

99.9% 01.0%

FIBER CABLE

04095

00016

9 9.0 %

01.0%

Display flips 180 degrees.

FIBER

CABLE

FIBER

CABLE

00016

04095

01.0%

9 9.0 %

Display flips 180 degrees.

Factory Reset Hold down MODE (n) on power up, then hit up or down (pq).

Sensor will return to all settings to factory default (see chart above).

Default Setting Chart

Default Other Options

Light-State Dark-State, Midpoint,Two-point, Dynamic, Window

10% 1% - 50%

Light On Dark On

Bypass Timer 1-19

10ms 0001 - 9999ms

Standard Ultra-High-Speed, High-Speed, High-Resolution, Long-Range, Ultra-Long-Range

Standard Low, High

Disabled Asynchronous Channel A, Asynchronous Channel B

Auto Low, High

Dual Channel Single / Health

PNP - Source NPN - Sink, Push/Pull

Remote Set Remote Command, Interrogate, Gate, Remote Dark On, Remote Lockout

Active High Active High, Active Low

Numeric Percentage, Numeric Flipped, Percentage Flipped

Unlocked Enabled

Disabled Automatic

Good Great, Low

Active High Active Low

Input Polarity

Select the active state of the input.

Input Functions

Select input to be performed:

Input Function:

Remote Set

Input Function:

Remote Command

Input Function:

Interrogate

Input Function:

Gate

Input Function:

Remote Dark On

Input Polarity:

Active High

Input Polarity:

Active Low

Input Function:

Remote Lockout

Select

Remote set: An AUTOSET function is performed when input wire is transitioned from idle to

active and returned. Note: input wire can be used in addition to the AUTOSET button.

Remote command: Sensor parameters can be adjusted via defined pulses. See chart on

page 7.

Interrogate: Sensor output is latched when input wire is transitioned from idle to active.

Gate: Sensing is gated. Detection is enabled when input is active.

Remote Dark On: Detect Mode is determined by input state. Dark On mode is used when

input is active.

Remote Lockout: Remote lock of the AUTOSET, up and down adjust and most mode

functions.

Disabled: To ignore unwanted signals.

Active High: Selects active High.

Active Low: Selects active Low.

Disabled: Adjustments made by anyone.

Enabled: Prevents unauthorized tampering.

To unlock, tap MODE to scroll through menu to

Button Lock and select Disabled to unlock.

Input Function:

Disabled

CHANNEL 1

AUTOSET MODE

AUTOSET PERCENT

DETECT MODE

TIMER

TIMER DURATION

RESPONSE TIME

HYSTERESIS

ANTI-CROSSTALK

LED POWER

CHANNEL CONFIG.

OUTPUT MODE

INPUT FUNCTIONS

INPUT MODE

DISPLAY MODE

LOCK MODE

CHANNEL 2

AUTOSET MODE

AUTOSET PERCENT

DETECT MODE

TIMER

TIMER DURATION

HEALTH MONITOR

MARGIN TRACKING

REQUIRED MARGIN

ALERT MODE

6 www.ttco.com • 800-237-0946

IMPORTANT:

To use the Health Monitor the sensor

must be put in Single / Health mode.

Margin Tracking

When enabled, automatic adjustments will be made to the threshold if the

margin gets too low.

Margin Tracking:

Automatic

Margin Tracking:

Disabled

Select

Automatic: The sensor will automatically

make small adjustments to the threshold

setting.

Disabled: Adjustments will need to be made

manually.

Required Margin

Choose how sensitive to set the alarm.

Required Margin:

Low

Required Margin:

Good

Select

Low: Alarms when the margin is less than

Low (less than 25% filled).

Good: Alarms when the margin is less than

Good (less than 50% filled).

Great: Alarms when the margin is less than

Great (less than 100% filled).

Required Margin:

Great

Alert Mode

Select the active state of the output.

Alert Mode:

Active High

Alert Mode:

Active Low

Select

Active High: Selects active High.

Active Low: Selects active Low.

ThresholdAUTO

Margin Tracking

Current

Margin

Threshold

25%

50%

100%

Signal

Time

Real Time Status

25%

50%

100%

Margin

Percent

Filled

The term contrast is commonly used when characterizing fiber-optic sensor

performance. Contrast is the light difference between the light-state

and dark-state conditions of a sensing task. The sensors

switching threshold is placed between these two conditions via

the AUTOSET button during a setup. When the setup is

complete the sensors diagnostic screen is used to determine if

enough margin is present above and below the threshold for

stable operation. This is done by passing an object through the

light beam while watching the screen.

This is most useful when the object moves slowly past the fiber-optics. In general,

numerical displays are ineffective for monitoring sensor performance at fast and

even moderate production line speeds. The DFS21 includes a new feature to

address this issue. We use a unique algorithm to track how far above (+Margin)

and how far below (-Margin) the signal goes relative to the threshold over multiple

events.

We then turn the second channel output into a health channel output and the

second channel display into a health monitor meter to display the tracked margin.

The more filled the health monitor meter the better the margin. At the bottom left of

the screen, sensor performance is categorized as Poor, Low, Good, or Great. The

bargraph display has steps to

indicate the difference between

the 4 levels. Fully filled is

“Great”, 50% is “Good”, 25%

filled is “Low” and less than that is Poor. The system requires ongoing events to

evaluate margin. This screen can be left active. When the health monitor meter is

underfilled, tapping the appropriate manual adjust – or + can increase margin.

Health Monitor System

Setting up Health Monitor Parameters:

Dual Channel

Mode

Single Channel / Health Monitor

Mode

Switch between

Screens 1 & 2

by pressing

straight down

on the 3-way

toggle switch.

Change between Dual Channel and

Single Channel with Health Monitor by

changing Channel Configuration

parameter. See page 4 for details.

Pressing the AUTOSET button with

the health channel selected will

instantly optimize the threshold-

maximizing margin.

Tap Minus (-) to move

threshold.

Tap Plus (+) to move

threshold.

Optimized

Tracking Optimizer

When Margin Tracking System is enabled, automatic adjustments will be

made to the threshold to maintain margin over time. This optimizes the sensing

application, and manual adjustment won’t be needed.

Health Channel Alarm and “Required Margin” Parameter

If the health monitor detects a problem, an alarm is sent via the health channel

output. You can choose how sensitive to set the alarm via the Required Margin

parameter. If you set the parameter to “Good” you will get an alarm when the

margin is less than “Good”. The alarm is self-resetting when the monitor detects

that margins have returned to a “Good” level.

About: Health Monitor System

www.ttco.com • 800-237-0946 7

Delay

Active

Idle

Pulse width (P) is 40ms - 400ms.

The delay between sets of pulses (D) is 0.75 - 5 seconds.

Remote Command

Programming

In Remote Command Mode a limited set of options

can be configured via the input wire. This is

accomplished by sending a simple sequence of

pulses on Q2 (white wire). For example, sending a

sequence of three pulses followed by three pulse

followed by two pulses selects dark on mode.

Example of 2 - 3 - 2 pulse command

Setting Option Icon Pulse Notes

Sequence

AUTOSET Channel 1 1 - - -

Channel 2 2 - - -

PER CHANNEL

AUTOSET Mode Light-State LS 3 - 1 - 1

Dark-State DS 3 - 1 - 2

Midpoint MP 3 - 1 - 3

Two-Point 2P 3 - 1 - 4

Dynamic Set DY 3 - 1 - 5

Window WN 3 - 1 - 6

AUTOSET Percent 1% 01% 3 - 2 - 1

2% 02% 3 - 2 - 2

5% 05% 3 - 2 - 3

10% 10% 3 - 2 - 4

20% 20% 3 - 2 - 5

50% 50% 3 - 2 - 6

Detect Mode Light On LO 3 - 3 - 1

Dark On DO 3 - 3 - 2

Timer Function Bypass 3 - 4 - 1

On-Delay 3 - 4 - 2

Off-Delay 3 - 4 - 3

One-Shot 3 - 4 - 4

Motion 3 - 4 - 5

On, Off-Delay 3 - 4 - 6

On, One-Shot 3 - 4 - 7

Off, One-Shot 3 - 4 - 8

Blind One-Shot 3 - 4 - 9

Delayed One-Shot 3 - 4 - 10

Stop, One-Shot 3 - 4 - 11

Timer 1 Duration 1ms 3 - 5 - 1

2ms 3 - 5 - 2

5ms 3 - 5 - 3

10ms 3 - 5 - 4

20ms 3 - 5 - 5

50ms 3 - 5 - 6

Timer 2 Duration 1ms 3 - 6 - 1

2ms 3 - 6 - 2

5ms 3 - 6 - 3

10ms 3 - 6 - 4

20ms 3 - 6 - 5

50ms 3 - 6 - 6

SHARED

Button Lock Disabled 4 - 1 - 1

Enabled 4 - 1 - 2

Display Mode Numeric 4 - 2 - 1

Percentage 4 - 2 - 2

Numeric (Flipped) 4 - 2 - 3

Percentage (Flipped) 4 - 2 - 4

Response Time Ultra-High-Speed UHS 4 - 3 - 1 Anti-Crosstalk Disabled

High-Speed HS 4 - 3 - 2 Anti-Crosstalk Disabled

Standard STD 4 - 3 - 3

High Resolution HR 4 - 3 - 4

Long-Range LR 4 - 3 - 5

Ultra-Long-Range ULR 4 - 3 - 6

Hysteresis Low H0 4 - 4 - 1

Standard H1 4 - 4 - 2

High H2 4 - 4 - 3

Anti-Crosstalk Disabled 4 - 5 - 1

Async-Channel A xA 4 - 5 - 2 Changed but ignored in UHS & HS

Async-Channel B xB 4 - 5 - 3 Changed but ignored in UHS & HS

LED Power Auto #A 4 - 6 - 3

High Power IP 4 - 6 - 3

Low Power OP 4 - 6 - 3

HEALTH MONITOR

Channel Config. Dual Channel 5 - 1 - 1

Single / Health 5 - 1 - 2

Margin Tracking Disabled 5 - 2 - 1

Enabled A 5 - 2 - 2

Required Margin Low 5 - 3 - 1

Good 5 - 3 - 2

Great 5 - 3 - 3

Alert Mode Normally Open 5 - 4 - 1 Active High in Push/Pull Mode

Normally Closed 5 - 4 - 2 Active Low in Push/Pull Mode

Active Channel Channel 1 6 - 1 - Invalid with Health enabled

Channel 2 6 - 2 -

Percentage will affect the next

Light, Dark AUTOSET.

Immediate effect on Window Size

A single pulse initiates AUTOSET. An

additional pulse command is required

to complete AUTOSET for two-point

and dynamic modes.

Pulses are displayed while being received. Valid

commands are executed immediately. Holding the

input active will cancel a partial command.

AUTOSET

A single pulse command initiates an AUTOSET.

A second single pulse command is required to

complete Two-Point and Dynamic AUTOSETs.

(Window) Invalid when Health

Monitor enabled

SUPPLY VOLTAGE & CURRENT

• 8-30 Vdc

• 28ma @ 24Vdc, 49ma @ 12Vdc

• Reverse polarity protected

• Transient spike protected

OUTPUT

• Configurable NPN, PNP or Push-Pull

• 150mA output current

• Short circuit & transient spike protected

• Saturation voltage: < 0.3Vdc @ 10mA

< 2Vdc @150mA

INPUT

• Configurable active high/low

• Transient spike protected

• Configurable function: Remote setting or

commands, Interrogate, Gate, Dark-On, Lockout,

and Latch Reset.

POWER-UP DELAY

• 300ms. No output pulse on power-up.

RESPONSE TIME (Dependent on Mode)

• Ultra-High-Speed (UHS) 50µs

• High-Speed (HS) 125µs

• Standard (STD) 250µs

• High-Resolution (HR) 1ms

• Long-Range (LR) 4ms

• Ultra-Long-Range (ULR) 16ms

REPEATABILITY (Dependent on Mode)

• UHS 12µs.

• HS, STD, HR, LR, ULR (15.635µs)

• Asynchronous crosstalk enabled (31.25µs)

MAXIMUM RANGE

(RED) (INFRARED)

Opposed Mode

• UHS 20in (508mm) 34in (878mm)

• HS 28in (711mm) 48in (1219mm)

• STD 32in (813mm) 57in (1463mm)

• HR 47in (1193mm) 69in (1756mm)

• LR 60in (1524mm) 83in (2121mm)

• ULR 75in (1905mm) 118in (3000mm)

Proximity Mode

• UHS 8in (203mm) 10in (254mm)

• HS 11in (279mm) 14in (355mm)

• STD 13in (330mm) 15in (381mm)

• HR 16in (406mm) 20in (508mm)

• LR 21in (533mm) 23in (584mm)

• ULR 28in (711mm) 28in (707mm)

When anti-crosstalk is enabled maximum range

specifications are reduced 30%.

Note: Opposed tests utilized: PF-Z-78TL (Red)

Proximity tests utilized: PFD-Z-78M64 (Red)

LIGHT IMMUNITY

• High immunity to most ambient light, including

high efficiency lighting and high intensity strobes.

MUTUAL INTERFERENCE REJECTION

• Asynchronous: Two sensor max. responds to

selected A or B Channel.

COMBINABLE DUAL TIMERS & COUNTERS

• On-Delay, Off-Delay, One-Shot, Motion

• Latching function

• Counters (counting range up to 9999)

• Each channel can use a unique timer/counter

• Timer range: 0.1 - 0.9ms, 1ms - 9,999ms

LED LIGHT SOURCE

• 4 element LED, Red = 660nm

• IR = 880nm (Use glass fibers with Ø2.2mm

connection only).

DISPLAY

• 96 X 16 white dot matrix OLED

• Display numerical range depended on processing

mode

• UHS - 1,023

• HS - 2,047

• STD - 4,095 (default setting)

• HR - 16,383

• LR - 32,767

• ULR - 65,535

LED INDICATORS

• Each channel has a seperate LED indicator,

Channel 1 and Channel 2.

Output: Red LED. Illuminates when output is ON.

Flashes when either output is overloaded.

CONNECTIONS

• M8, 5-pin

• Attached cable: 5-wire 6ft (1.8m)

OPERATING TEMPERATURE

• 5°C to 55°C (41°F to 131°F) - Electrical.

HOUSING CONSTRUCTION

• Chemical resistant, high-impact polycarbonate

RATINGS & CERTIFICATIONS

• IP50

• CE

• UL pending

Specifications

Dimensions DFS21 Digital Fiber Optic Sensor

0.39"

[10.0mm]

3.58" [90.9mm]

1.10" [27.8mm]

35mm DIN RAIL

MOUNTING

0.25"

[6.4mm]

0.28"

[7.0mm]

(ALTERNATE MOUNTING

WITH INCLUDED BRACKET -

SEE DETAIL)

CLEAR COVER

(SEE DETAIL)

5-PIN MALE M8

CONNECTOR (B CODE)

(ALSO AVAILABLE

WITH ATTACHED

6 FT CABLE)

(3)(1)

(4)(2)

(5)

Pin 1 = Pos (Brown*)

Pin 2 = Q2 (White*)

Pin 3 = Neg (Blue*)

Pin 4 = Q1 (Black*)

Pin 5 = IN (Grey*)

* - wire colors are identical for

sensors with built in 6ft cables

4.06" [103.0mm]

5.84" [148.3mm]

1.00"

[25.4mm]

0.63"

[16.0mm]

4X Ø0.13"

[Ø3.2mm]

0.10" [2.5mm]

1.35" [34.3mm]

0.25" [6.4mm]

AUTOSET

MODE

8 www.ttco.com • 800-237-0946 070-0664, Rev. 2

RoHS Compliant

Product subject to change without notice

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