Pepperl+Fuchs DA6-SSI/A-U Manuel utilisateur
DA6-SSI/A-U
SSI Display with analog output
FACTORY AUTOMATION
MANUAL
IX34510a_e.doc / Apr-11 Page 2 / 43
Safety Instructions
This manual is an essential part of the unit and contains important hints about
function, correct handling and commissioning. Non-observance can result in
damage to the unit or the machine or even in injury to persons using the
equipment!
The unit must only be installed, connected and activated by a qualified electrician
It is a must to observe all general and also all country-specific and application-
specific safety standards
When this unit is used with applications where failure or maloperation could cause
damage to a machine or hazard to the operating staff, it is indispensable to meet
effective precautions in order to avoid such consequences
Regarding installation, wiring, environmental conditions, screening of cables and
earthing, you must follow the general standards of industrial automation industry
- Errors and omissions excepted –
General instructions for cabling, screening and grounding can be found in the
SUPPORT section of our website http://www.pepperl-fuchs.com
Version: Description:
03b /af/hk//Feb 08 Range of PM z-eFraoc ptoors, iStiSonI and preselection mode
1 / 2 increase to [-199999, 999999];
load on the current output max. 300 Ohm
07a = 08a/kk/hk/Apr.09 Extensions: Linearization, Activation of serial transmission
09a/kk/hk/Feb.10 Extension from 25 to 32 bits
10a/kk/hk/June.10 Missing encoder alarm, remote start of serial string
DA6-SSI/A-U
IX34510a_e.doc / Apr-11 Page 3 / 43
Table of Contents
1. Terminal Assignment ..................................................................................................... 4
1.1. Power Supply................................................................................................................................5
1.2. Aux. Voltage Output .....................................................................................................................5
1.3. Control Inputs A, B and C .............................................................................................................5
1.4. Adjustable Analogue Output .......................................................................................................6
2. How to Operate the Front Keys...................................................................................... 8
2.1. Normal display state ....................................................................................................................8
2.2. Selection and Setting of Parameters...........................................................................................9
2.3. Teach operation..........................................................................................................................10
2.4. Set all parameters to “Default“ .................................................................................................10
2.5. Code Locking of the Keypad.......................................................................................................10
3. The Operator Menu.......................................................................................................11
3.1. Overview of Basic Parameters ...................................................................................................11
3.2. Overview of Operational Parameters.........................................................................................12
4. Setup Procedure............................................................................................................13
4.1. Basic Parameters........................................................................................................................13
4.2. Operational Parameters..............................................................................................................15
4.3. Additional Parameters for the Analogue Output ......................................................................18
5. Hints for Application .....................................................................................................26
5.1. Master and Slave Operation ......................................................................................................26
5.2. Evaluation of Encoder Bits .........................................................................................................27
5.3. Scaling of the Display.................................................................................................................28
5.4. Basic Modes of Operation..........................................................................................................29
5.5. Testing Functions........................................................................................................................33
5.6. Error Messages...........................................................................................................................33
6. Special Functions..........................................................................................................34
6.1. Linearization ...............................................................................................................................34
6.2. Manual Input or „Teaching“ of the Interpolation Points ...........................................................36
7. Technical Appendix.......................................................................................................38
7.1. Dimensions .................................................................................................................................38
7.2. Technical Specifications.............................................................................................................39
7.3. Parameter-List ............................................................................................................................40
7.4. Commissioning Form ..................................................................................................................42
DA6-SSI/A-U
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1. Terminal Assignment
Display with analogue output
GND
17-30 VCD IN
1 2 3 4 5 6 7 8 9 10
Input A
Input B
GND
+24 VDC OUT
GND analogue
+/- 10 V analogue
0/4-20 mA analogue
PE
GND
230VAC
115 VAC
0 VAC
CLK
CLK
DAT
DAT
1 2 3 4
Input C (Reset)
DA6-SSI/A-U
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1.1. Power Supply
The unit accepts DC supply from 17 V to 30 V when using terminals 1 and 2. The consumption
depends on the level of the supply voltage
(typical 130mA at 30V or 190mA at 17V, plus current taken from aux. output).
For AC supply the terminals 0 VAC, 115 VAC or 230 VAC can be used.
The total AC power is 7.5 VA.
The diagrams below show a dotted line for grounding to PE.
This connection is not really necessary, neither for safety nor for EMC. However, for some
applications, it may be desirable to ground the common potential of all signal lines.
When using this earthing option, please observe:
All terminals and potentials marked “GND“ will be earthed.
Please avoid multiple earthing, i.e. when you use a DC power supply where
the Minus is already connected to earth etc.
1.2. Aux. Voltage Output
Terminal 7 provides an auxiliary output of 24 VDC / 120 mA max. for supply of sensors and
encoders.
1.3. Control Inputs A, B and C
With models , input A is used to activate a serial transmission (rising edge, see 4.5.2).
Input B is not in use.
Input C operates as a Set / Reset input (static function, active "HIGH", see 5.3).
In the basic setup menu, the inputs can be configured to PNP (signal must switch to +) or to
NPN (signal must switch to -). This configuration is valid for all three inputs at a time.
The factory setting is always PNP.
Where NPN setting is used, please observe:
Open NPN inputs will always represent a logical HIGH state
Consequently, Input C has to be connected to GND externally to allow normal
operation. If unconnected, the unit would be kept in a continuous Reset state.
With models IX 348, also Input A must be tied to GND, and opening this connection will
generate a rising edge to start a serial transmission
Where your use 2-wire NAMUR type sensors, please select NPN, connect the negative
wire of the sensor to GND and the positive wire to the corresponding input.
DA6-SSI/A-U
IX34510a_e.doc / Apr-11 Page 6 / 43
Typical input circuit of control input
PNP
4,7k
GND GND
+24V int.
Input
4,7k
GND
Input
+24V int.
NPN
The minimum pulse duration on the Reset input (C) must be 5 msec.
1.4. Adjustable Analogue Output
A voltage output is available, operating in a range of 0 ... +10 V or –10 V ... +10 V according to
setting. At the same time, a current output 0/4 – 20 mA is available. Both outputs refer to the
GND potential and the polarity changes with the sign in the display. The outputs are
proportional to the display value and provide a 14 bits resolution.
The maximum current on the voltage output is 2 mA, and the load on the current output can
vary between 0 and max. 300 ohms.
The response time of the analogue output to changes of the encoder position is approx. 7 msec.
DA6-SSI/A-U
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2. How to Operate the Front Keys
For setup and other operations the unit uses three front keys which subsequently will be
denominated as follows:
«
™
ENTER
(Input)
SET
(Setting)
Cmd
(Command)
The functions of the keys are depending on the actual operating state of the unit.
The following three operating states apply:
Normal display state
Setup state
a.) Basic setup
b.) Operational parameter setup
Teach operation
2.1. Normal display state
You can only change over to other operation states while the unit is in the
normal display state.
Change over to Key operation
Basic setup Keep ENTER and SET down simultaneously for 3 seconds
Operational
parameter setup
Keep ENTER down for 3 seconds.
Teach operation Keep Cmd down for 3 seconds
The Cmd key is only used to execute the Teach procedure with linearization. For more details
please refer to sections 6.1 and 6.2.
DA6-SSI/A-U
IX34510a_e.doc / Apr-11 Page 9 / 43
2.2. Selection and Setting of Parameters
2.2.1. How to select a parameter
The ENTER key will scroll through the menu. The SET key allows to select the corresponding
item and to change the setting or the numeric value. After this, the selection can be stored by
ENTER again, which automatically changes over to the next menu item.
2.2.2. How to change parameter settings
With numerical entries, at first the lowest digit will blink. When keeping the SET key
continuously down, the highlighted digit will scroll in a continuous loop from 0 … 9 , 0 … 9.
After releasing the SET key, the actual value will remain and the next digit will be highlighted
(blink). This procedure allows setting of all digits to the desired values. After the most
significant digit has been set, the low order digit will blink again and you can do corrections if
necessary.
With signed parameters, the high order digit will scroll from “0” to "9" (positive) followed by
“-“ and "-1" (negative)
2.2.3. How to store settings
To store the actual setting, press the ENTER key, which will also automatically scroll forward
the menu.
At any time the unit changes from programming mode to normal display operation, when you
keep the ENTER key down again for at least 3 seconds.
2.2.4. Time-out function
A “time-out” function will automatically conclude every menu level, when for a break period of
10 seconds no key has been touched. In this case, any changes which have not been confirmed
by ENTER yet would remain unconsidered.
DA6-SSI/A-U
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2.3. Teach operation
The Time-out function will be switched off during all Teach operations
Key Function
«
ENTER will conclude or abort any Teach operation in progress
™
SET function is fully similar to normal set-up operation
Cmd will store the display value to the register and will change over to the
next interpolation point.
For details of the Teach procedure see section 6.2.
2.4. Set all parameters to “Default“
At any time you can return all settings to the factory default values.
The factory default settings are shown in the parameter listings in section 6.
When you decide to set all parameters to „default“, please be aware that all
previous settings will be lost and you will need to do the whole set-up
procedure once more
To execute the „Default“ setting function:
Power the unit down.
Press the ENTER key.
Power the unit up again while the ENTER key is kept down
2.5. Code Locking of the Keypad
When the code locking of the keypad has been switched on, any key access first results in
display of
To access the menu you must press the key sequence
«
™
«
™
«
within 10 seconds, otherwise the unit will automatically return to the normal display mode.
DA6-SSI/A-U
IX34510a_e.doc / Apr-11 Page 11 / 43
3. The Operator Menu
The menu provides one section with “Basic Parameters” and another section with “Operational
Parameters”. On the display you will only find those parameters which have been enabled by
the basic settings. E.g. when the Linearisation Functions have been disabled in the basic set-
up, the associated linearization parameters will also not appear in the parameter menu.
All parameters, as good as possible, are designated by text fragments. Even though the
possibilities of forming texts are very limited with a 7-segment display, this method has proved
to be most suitable for simplification of the programming procedure.
The subsequent table shows the general structure of the whole menu only.
Detailed descriptions of all parameters will follow in section 4.
3.1. Overview of Basic Parameters
DA6-SSI/A-U
SSI_Mode
SSI_Bits
SSI_Format
SSI_Baud Rate
SSI_Test
Characteristics
Brightness
Code Locking
Linearization Mode
Analogue Characteristics
Analogue Offset
Analogue Gain
DA6-SSI/A-U
Table des matières
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