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SfAR-1M-4DO User Manual

www.ismacontrolli.com

DMP270en | 3rd Issue rev. 1 | 05/2022

page 9 of 16

4.4 Watchdog

This 16-bits register specifies the time in milliseconds to watchdog reset. If the module

does not receive any valid message within that time, all digital and analog outputs will be

set to the default state.
This feature is useful if there is an interruption in data transmission and for security

reasons. Output states must be set to the appropriate state in order to reassure the

safety of persons or property.
The default value is 0 milliseconds, which means the watchdog function is disabled.

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Содержание SfAR-1M-4DO

Страница 1: ...www ismacontrolli com DMP270en 3rd Issue rev 1 05 2022 SfAR 1M 4DO User Manual Expansion Module 4 Digital Outputs ...

Страница 2: ... Dimensions 6 4 Communication 7 4 1 Grounding and Shielding 7 4 2 Network Termination 7 4 3 Communication Settings 8 4 3 1 Default Settings 8 4 4 Watchdog 9 5 Indicators 10 6 Connections 11 6 1 Block Diagram 11 6 2 Power Supply Connection 11 6 2 1 DC Power Connection 11 6 2 2 AC Power Connection 12 6 3 Communication Bus Connection 12 6 4 Connection of Digital Output 12 7 Modules Registers 13 7 1 R...

Страница 3: ...f the product without incurring any liability for the purposes of commercial law This information does not discharge you from the liability of your own judgement and verification We reserve the right to change product specifications without notice Please read the instructions carefully and follow the recommendations concluded therein 1 1 Revision History Rev Date Description 3 1 25 May 2022 Rebran...

Страница 4: ...enomena like surges and bursts to devices They also isolate products from inductive phenomena from other transformers and loads Power supply systems for the product should be protected by external devices limiting overvoltage and effects of lightning discharges Avoid powering the product and its controlled monitored devices especially high power and inductive loads from a single power source Power...

Страница 5: ... DIN rail in accordance with DIN EN 5002 The module is equipped with a set of LEDs to indicate the status of inputs and outputs which is useful for diagnostic purposes and helping to find errors Module configuration is done via USB by using a dedicated computer program It also allows for changing the parameters using the Modbus protocol 3 2 Technical Specification Power Supply Voltage 10 38 V DC 1...

Страница 6: ... 1 05 2022 page 6 of 16 Width 17 5 mm Interface RS485 Up to 128 devices Table 2 Technical specification 3 3 Dimensions The appearance and dimensions of the module are shown below The module is mounted directly to the rail in the DIN industry standard Figure 1 Dimensions ...

Страница 7: ...ermediate terminals the shielding should be earthed directly after the cable enters the cabinet It is recommended to install interference suppressors when switching inductive loads e g coils of contactors relays solenoid valves RC snubbers or varistors are suitable for AC voltage and freewheeling diodes for DC voltage loads The suppressing elements must be connected as close to the coil as possibl...

Страница 8: ... Data bits 8 Stop bits 1 Reply delay ms 0 Modbus type RTU Table 4 Default settings Configuration Registers Modbus Address Decimal Address Hex Address Name Values 40003 2 0x02 Baud Rate 0 2400 1 4800 2 9600 3 19200 4 38400 5 57600 6 115200 other value 10 40005 4 0x04 Parity 0 none 1 odd 2 even 3 always 0 4 always 1 40004 3 0x03 Stop Bits 1 one stop bit 2 two stop bits 40004 3 0x03 Data Bits 7 7 dat...

Страница 9: ...es not receive any valid message within that time all digital and analog outputs will be set to the default state This feature is useful if there is an interruption in data transmission and for security reasons Output states must be set to the appropriate state in order to reassure the safety of persons or property The default value is 0 milliseconds which means the watchdog function is disabled ...

Страница 10: ... of 16 5 Indicators Figure 2 Indicators Indicator Description ON The LED indicates that the module is correctly powered TX The LED lights up when the unit received the correct packet and sends the answer DO1 2 3 4 The LED indicates that the output is on Table 6 Description of indicators ...

Страница 11: ...er Manual www ismacontrolli com DMP270en 3rd Issue rev 1 05 2022 page 11 of 16 6 Connections 6 1 Block Diagram Figure 3 Block diagram 6 2 Power Supply Connection 6 2 1 DC Power Connection Figure 4 DC power connection ...

Страница 12: ...m DMP270en 3rd Issue rev 1 05 2022 page 12 of 16 6 2 2 AC Power Connection Figure 5 AC power connection 6 3 Communication Bus Connection Figure 6 Communication bus connection 6 4 Connection of Digital Output Figure 7 Connection of digital output ...

Страница 13: ...Read write Response delay in ms 40007 6 0x06 Modbus Mode Read write Modbus mode ASCII or RTU 40009 8 0x08 Watchdog Read write Watchdog 40013 12 0x0C Default Output State Read write Default output state after power on or watchdog reset 40033 32 0x20 Received Packets LSR Least Significant Register Read write No of received packets 40034 33 0x21 Received Packets MSR Most Significant Register Read wri...

Страница 14: ...tput 1 194 193 0x0C1 Default State of Output 2 Read write Default state of output 2 195 194 0x0C2 Default State of Output 3 Read write Default state of output 3 196 195 0x0C3 Default State of Output 4 Read write Default state of output 4 817 816 0x330 Output 1 Read write Output 1 state 818 817 0x331 Output 2 Read write Output 2 state 819 818 0x332 Output 3 Read write Output 3 state 820 819 0x333 O...

Страница 15: ...sters over Modbus network as well as to read and write the current value of other registers of the module It is a convenient way to test the system as well as to observe real time changes in the registers Communication with the module is via the USB cable The module does not require any drivers Figure 8 PC connection The SfAR Configurator is a universal software where it is possible to configure a...

Страница 16: ...SfAR 1M 4DO User Manual www ismacontrolli com DMP270en 3rd Issue rev 1 05 2022 page 16 of 16 Figure 9 The SfAR Configurator ...

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