Slerj SSR-1U Manuel utilisateur

SSR-1U User’s Manual

Revision -

27 December 2019

SSR-1U User’s Manual

Rev -, 27 Dec 2019

CONTENTS

1Introduction ............................................................................................................................. 4

1.1 Description....................................................................................................................... 4

1.2 Features ............................................................................................................................ 4

2Getting Started......................................................................................................................... 4

2.1 Package Contents ............................................................................................................. 4

2.2 The SSR-1U Hardware..................................................................................................... 5

2.3 Part Numbers.................................................................................................................... 6

2.4 Connecting the SSR-1U................................................................................................... 7

2.5 Using the SSR-1U.......................................................................................................... 10

3Functional Overview ............................................................................................................. 11

3.1 Serial Channels............................................................................................................... 11

3.2 Record Function............................................................................................................. 11

3.3 User Interface Module.................................................................................................... 14

3.4 Real-Time Clock............................................................................................................ 14

3.5 Digital I/O ...................................................................................................................... 14

3.6 USB Interface................................................................................................................. 15

4Interactive Shell..................................................................................................................... 16

4.1 System Commands......................................................................................................... 17

4.2 File Commands .............................................................................................................. 17

4.3 Device Configuration..................................................................................................... 18

4.4 Capturing the Shell......................................................................................................... 19

5Control Protocol .................................................................................................................... 21

5.1 Message Format ............................................................................................................. 21

5.2 General Messages........................................................................................................... 22

5.3 Configuration Messages................................................................................................. 32

5.4 Error Codes .................................................................................................................... 59

6Time Tagged Archives .......................................................................................................... 60

6.1 Data Packet..................................................................................................................... 60

6.2 Time Correlation Packet................................................................................................. 61

6.3 The STTP Utility............................................................................................................ 62

7Specifications......................................................................................................................... 64

7.1 Electrical......................................................................................................................... 64

7.2 Environmental................................................................................................................ 65

7.3 Mechanical..................................................................................................................... 65

8Revision History.................................................................................................................... 66

SSR-1U User’s Manual

Rev -, 27 Dec 2019

Reproduction in whole or in part is prohibited without the prior written consent of the copyright

owner. The information presented in this document does not form part of any quotation or

contract, is believed to be accurate and reliable and may be changed without notice. No liability

will be accepted by the publisher for any consequence of its use. Publication thereof does not

convey nor imply any license under patent or other industrial or intellectual property rights. Slerj

assumes no responsibility or liability whatsoever for any failure or unexpected operation

resulting from misuse, neglect, improper installation, repair, improper handling, or unusual

physical or electrical stress including, but not limited to, exposure to parameters beyond the

specified maximum ratings or operation outside the specified range.

All brands and product names in this publication are registered trademarks or trademarks of their

respective holders.

SlerjTM is a trademark of Slerj, LLC.

Warranty

The SSR-1U Serial Data Recorder is warranted against defects in materials and manufacturing

for a period of one year from the date of purchase. In the event of a product failure due to

materials or workmanship, Slerj will, at its discretion, repair or replace the product. For

warranty service, return the defective produce to Slerj, shipping prepaid, for prompt repair or

replacement. Slerj, its suppliers, and its licensors shall in no event be liable for any damages

arising from the use of or inability to use this product. This includes business interruption, loss of

business information, or other loss which may arise from the use of this product.

SLERJ PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED OR WARRANTED

TO BE SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR

SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF SLERJ PRODUCTS

IN SUCH APPLICATIONS IS UNDERSTOOD TO BE UNDERTAKEN SOLELY AT THE

CUSTOMER’S OWN RISK. Should a customer purchase or use Slerj products for any such

unauthorized application, the customer shall indemnify and hold Slerj and its officers,

employees, subsidiaries, affiliates, and distributors harmless against all claims, costs damages

and attorney fees which could arise.

SSR-1U User’s Manual

Rev -, 27 Dec 2019

1Introduction

1.1 Description

The SSR-1U is a flexible and robust serial data recording device that takes care of the details of

storing data so that you can focus on your application. Up to four streams of serial data can be

recorded simultaneously, and each channel is configurable with a variety of serial and storage

options. Streams can be recorded automatically at power up, on command through a digital or

PWM input, or using software commands. The SSR-1U extends the capabilities of the SSR-1

with an additional serial channel and USB access to the recorded data.

1.2 Features

Four asynchronous serial channels recorded simultaneously

Two RS-232 channels and two 5V TTL compatible channels

(Version available with 3.3V CMOS channels instead of RS-232.)

Up to 230.4k baud recording on all channels

(A high-speed version is available supporting 921.6k baud recording on all channels)

Wide supply voltage (4.5 to 32VDC)

Small size: 1.65 x 1.23 x 0.45 inches (42 x 32 x 12 mm)

Supports microSD, microSDHC, and microSDXC cards

exFAT, FAT32, FAT16, and FAT12 file system support

Long File Name support

Support for raw and time-tagged recording

Battery backed real time clock powered by an onboard button cell battery

Flexible record control: digital input, PWM input, software controlled, or automatic

User shell for configuration and file system operations

Binary control protocol for machine automation

Flexible recording modes (overwrite/append, user defined path and file names, etc.)

2Getting Started

2.1 Package Contents

The Serial Recorder is packaged with:

The SSR-1U Serial Recorder

Mating connector (Molex 87568-2093) with 9 inch ribbon cable

Mating cable for the auxiliary USB/channel-4 connector

Lithium CR1220 button cell battery (U.S. shipments only)

A microSD card with Users Manual, puttytel terminal emulator, STTP time tagged

archive parser with source code, and an example Windows® control protocol utility with

source code.

SSR-1U User’s Manual

Rev -, 27 Dec 2019

2.2 The SSR-1U Hardware

Figure 1. Top View

Figure 2. Bottom View

Insert card as

shown in slot

beneath board.

Insert battery

as shown.

Main Connector

microSD Card Slot

(push-push type connector)

Channel Status LEDs

Coin Battery Holder

This is the negative side of

the battery. It must make

contact with the printed

circuit board.

Aux connector

(USB and Channel 4)

SSR-1U User’s Manual

Rev -, 27 Dec 2019

WARNING: Improper removal of the backup battery can damage the SSR-1U. To

remove the battery, use a blunt stick to push the battery out of the holder.

DO NOT PRY OR PULL THE BATTERY.

CAUTION: Like most electronic components, the SSR-1U can be damaged by

electrostatic discharge. Observe typical precautions for handling electrostatic

discharge sensitive devices.

2.3 Part Numbers

SSR-1U part numbers follow the following form:

SR1U__T_

The standard configuration is SR1U22T.

H –high-speed variant support 921.6k baud recording

22 –channels 1 and 2 are RS-232

CC –channels 1 and 2 are 3.3V CMOS (not 5V tolerant)

(Unless otherwise noted, all specifications and notes in this document apply

to the 22 version. Contact us for questions on the CC version.)

SSR-1U User’s Manual

Rev -, 27 Dec 2019

2.4 Connecting the SSR-1U

The pins of the main connector are shown in Figure 3 and described in Table 1. The pins of the

auxiliary connector are shown in Figure 4 and described in Table 2. The default configuration of

the SSR-1U provides access to the user shell (see Section 4 Interactive Shell, for details) on

channel 4 (aux connector) and causes channels 1, 2 and 3 to record when the digital input

command pin (DI, pin 15) is pulled to ground. All channels default to 115200 baud, 8 data bits,

no parity, and 1 stop bit.

WARNING: Channels 1 and 2 are RS-232 voltage level compatible, and channels 3

and 4 are 5 Volt tolerant, TTL compatible, 3.3V CMOS. Do not connect an RS-232

device to channel 3 or 4 of the SSR-1U.

Figure 3. Main Connector (View looking into the face of the connector)

Table 1. Main Connector Pins

Pin 1

Description

Vsup

Supply voltage (4.5-32 VDC).

Vret

Supply return (tied to GND onboard the SSR-1U).

3,7 2

T1,T2

Asynchronous serial transmitter output for channels 1 and 2.

4,8 2

R1,R2

Asynchronous serial receiver input for channels 1 and 2.

11 3

Asynchronous serial transmitter output for channel 3.

12 4

Asynchronous serial receiver input for channel 3.

16,18,20 3

Status indication for channel x. High level indicates that the channel is

recording.

15 4

Digital input record command.

17 4

PWM input record command.

19 4

res

Reserved.

1See Section 7.1 Electrical for detailed electrical specifications.

2RS-232 compatible (SR122T). For the SR1CCT, these are 3.3V CMOS (not 5V tolerant).

33.3V CMOS output

45V tolerant, TTL compatible, 3.3V CMOS input. Internally pulled up to 3.3 VDC.

SSR-1U User’s Manual

Rev -, 27 Dec 2019

Figure 4. Auxiliary Connector (View looking into the face of the connector)

Table 2. Auxiliary Connector Pins

Pin 1

Description

GND

Ground connection for use with channel 4

2 2

Asynchronous serial transmitter output for channel 4

3 3

Asynchronous serial receiver input for channel 4

4 4

UEN

Enables USB access to the microSD card (recording disabled)

GND

USB ground connection

D+

USB D+ connection

D-

USB D- connection

8 5

USB 5V supply

1See Section 7.1 Electrical for detailed electrical specifications.

23.3V CMOS output

35V tolerant, TTL compatible, 3.3V CMOS input. Internally pulled up to 3.3 VDC.

45V tolerant, TTL compatible, 3.3V CMOS input. Active polarity is configurable using the Interactive Shell.

5The SSR-1U has onboard diodes to allow power from either the main or aux connector, and both can be applied

simultaneously without damage to the device. It is not necessary to supply 5V on pin 8 to access USB if power

is supplied at the main connector.

Wiring for a typical application is shown in Figure 5. The default SSR-1U configuration is

assumed. In the figure, channel 4 is connected to a PC serial port for shell access, allowing

configuration and file system operations via a terminal application on the PC. Typically, this

connection is made using a USB to TTL serial adapter cable. When the Close to Record switch

is closed, channels 1, 2, and 3 on the main connector record data from connected serial devices.

While the default for channel 4 is shell access, it is a general purpose channel and can also be

configured for recording.

In the default configuration, USB mass media access to the microSD card is enabled when the

UEN pin is high. In the diagram, UEN is tied to the 5V USB supply so that USB access is

enabled when the USB cable is connected to the device.

SSR-1U User’s Manual

Rev -, 27 Dec 2019

Figure 5. Typical application wiring using the default SSR-1U configuration

SSR-1U User’s Manual

Rev -, 27 Dec 2019

2.5 Using the SSR-1U

The SSR-1U default configuration sets all channels to 115200 baud, 8 data bits, no parity, and

1 stop bit. Channels 1-3 are configured to record when DI is pulled low. Channel 4 is

configured to present the user shell.

On power up, the SSR-1U displays a boot loader announcement and device details. If a channel

is attached to the user shell, it will present the user shell prompt. A typical power-on sequence

would produce output similar to:

Details of the shell interface are provided in Section 4 Interactive Shell. As an example of shell

usage, consider changing the command source for channel 3 to +dig so that the device records

when the DI pin is high. In the following sequence, <enter> means pressing the Enter/Return

key to execute the command in the shell. With the SSR-1U shell connected to a terminal

program, type

config <enter>

to show the current SSR-1U configuration.

To change the command source for channel 3 to +dig, type

config 3 src +dig <enter>

Verify that the configuration has been changed using:

config 3 <enter>

To save the modified configuration in on-board non-volatile memory so that it is preserved

across power cycles, type:

config save <enter>

To confirm that the configuration has been saved, reboot the SSR-1U and verify configuration

using:

reset <enter>

config <enter>

Note that ‘cfg’ is an alias for ‘config’ and can be used as a shortcut.

Slerj Boot Loader v1.0.0

MK:Slerj

HW:SSR1U

MG:1608747

MD:SSR-1U

SN:1

MV:22T

SSR-1U Shell [Firmware 2.1.0]

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