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SfAR-S-8DI8DO User Manual

www.ismacontrolli.com

DMP275en | 3rd Issue rev. 2 | 05/2022

page 24 of 25

Modbus 

Address

Dec Address

Hex 

Address

Register Name

Access

Description

2119

2118

0x846

Capture 7

Read/write

Capture counter 7

2120

2119

0x847

Capture 8

Read/write

Capture counter 8

2129

2120

0x848

Captured 1

Read/write

Captured value of 

counter 1

2130

2129

0x849

Captured 2

Read/write

Captured value of 

counter 2

2131

2130

0x84A

Captured 3

Read/write

Captured value of 

counter 3

2132

2131

0x84B

Captured 4

Read/write

Captured value of 

counter 4

2133

2132

0x84C

Captured 5

Read/write

Captured value of 

counter 5

2134

2133

0x84D

Captured 6

Read/write

Captured value of 

counter 6

2135

2134

0x84E

Captured 7

Read/write

Captured value of 

counter 7

2136

2135

0x84F

Captured 8

Read/write

Captured value of 

counter 8

Table 10. Bit access

Summary of Contents for SfAR-S-8DI8DO

Page 1: ...www ismacontrolli com DMP275en 3rd Issue rev 2 05 2022 SfAR S 8DI8DO User Manual Expansion Module 8 Digital Inputs 8 Digital Outputs ...

Page 2: ...pes of Modbus Functions 11 4 5 Communication Settings 11 4 5 1 Default Settings 11 4 6 Restoring Default Configuration 12 4 7 Watchdog 12 5 Indicators 13 6 Connections 14 6 1 Block Diagram 14 6 2 Power Supply Connection 14 6 2 1 DC Power Connection 14 6 2 2 AC Power Connection 15 6 3 Communication Bus Connection 15 6 4 Connection of Digital Inputs 15 6 4 1 Connection of Inputs 15 6 4 2 Connection ...

Page 3: ...SfAR S 8DI8DO User Manual www ismacontrolli com DMP275en 3rd Issue rev 2 05 2022 page 3 of 25 10 Configuration Software 25 ...

Page 4: ...of 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 2 25 May 2022 Rebra...

Page 5: ...henomena 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 Powe...

Page 6: ... use of 32 bit ARM core processor provides fast processing and quick communication The baud rate is configurable from 2400 to 115200 The module is designed for mounting on a 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 power supply and communication which is useful for diagnostic purposes and helping to find errors M...

Page 7: ...C 40 F to 185 F Connectors Power supply 2 pin Communication 3 pin Inputs 10 pin Outputs 10 pin Quick connector IDC10 Configuration mini USB Size Height 119 1 mm 4 689 in Length 110 9 mm 4 366 in Width 22 7 mm 0 894 in 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 rai...

Page 8: ...SfAR S 8DI8DO User Manual www ismacontrolli com DMP275en 3rd Issue rev 2 05 2022 page 8 of 25 Figure 1 Dimensions ...

Page 9: ...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 possible 4 2 Netw...

Page 10: ...9 ON OFF OFF ON OFF 10 OFF ON OFF ON OFF 11 ON ON OFF ON OFF 12 OFF OFF ON ON OFF 13 ON OFF ON ON OFF 14 OFF ON ON ON OFF 15 ON ON ON ON OFF 16 OFF OFF OFF OFF ON 17 ON OFF OFF OFF ON 18 OFF ON OFF OFF ON 19 ON ON OFF OFF ON 20 OFF OFF ON OFF ON 21 ON OFF ON OFF ON 22 OFF ON ON OFF ON 23 ON ON ON OFF ON 24 OFF OFF OFF ON ON 25 ON OFF OFF ON ON 26 OFF ON OFF ON ON 27 ON ON OFF ON ON 28 OFF OFF ON O...

Page 11: ...00001 Digital Outputs Bit Read Write 1 5 15 2 10001 Digital Inputs Bit Read 2 3 30001 Input Registers Registered Read 3 4 40001 Output Registers Registered Read Write 4 6 16 Table 4 Types of Modbus functions supported by the module 4 5 Communication Settings The data stored in the module s memory is given in the16 bit registers The access to registers is via Modbus RTU or Modbus ASCII 4 5 1 Defaul...

Page 12: ...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 data bits 8 8 data bits 40006 5 0x05 Response Delay Time in ms 40007 6 0x06 Modbus Mode 0 RTU 1 ASCII Table 6 Configuration registers 4 7 Watchdog This 16 bits register specifies the time in milliseconds to watchdog reset If the module does not rec...

Page 13: ...icator Description Power Supply The LED indicates that the module is correctly powered Communication The LED lights up when the unit receives the correct packet and sends the answer Inputs State The LED indicates that on the input is high state Outputs State The LED indicates that the output is on Table 7 Description of indicators ...

Page 14: ...ser Manual www ismacontrolli com DMP275en 3rd Issue rev 2 05 2022 page 14 of 25 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 ...

Page 15: ...en 3rd Issue rev 2 05 2022 page 15 of 25 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 Inputs 6 4 1 Connection of Inputs Figure 7 Connection of input ...

Page 16: ...nnection of Outputs Figure 9 Connection of digital outputs 6 5 2 Connection of Relay Figure 10 Connection of relay 6 6 Quick Connector The Quick Connector is a unique feature of modules that allows for quickly connecting a group of devices with a flat ribbon cable Thanks to this solution it is enough to connect power and RS485 communication to one of the devices in the group and the others will ...

Page 17: ...22 page 17 of 25 be powered and communicated with ribbon cable The Quick Connector is sufficient to connect up to 10 devices next to each other It is important that the various types of modules in the SfAR S family can be connected with the ribbon cable Figure 11 Quick Connector ...

Page 18: ...8 of 25 7 DIP Switch Figure 12 DIP switch Switch Function Description 1 Module address 1 Setting module address from 0 to 31 2 Module address 2 3 Module address 4 4 Module address 8 5 Module address 16 6 Restoring default settings Restoring default settings Table 8 Description of switches ...

Page 19: ...50 Hz because depending on the moment at which the input state is read with the Modbus protocol different results can be obtained despite the fact that AC voltage is still present To be able to monitor the AC signals the possibility of filtering the digital inputs has been introduced Filtration works in a way that the high state occurs if the voltage is maintained for at least 40 ms The low state ...

Page 20: ...dbus 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 40018 17 0x11 Inputs Filter Read write Configuration of the inputs filter 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...

Page 21: ...ounter 6 MSR Read write 40065 64 0x40 Counter 7 LSR Read write 32 bit counter 7 40066 65 0x41 Counter 7 MSR Read write 40067 66 0x42 Counter 8 LSR Read write 32 bit counter 8 40068 67 0x43 Counter 8 MSR Read write 40085 84 0x54 CCounter 1 LSR Read write 32 bit value of captured counter 1 40086 85 0x55 CCounter 1 MSR Read write 40087 86 0x56 CCounter 2 LSR Read write 32 bit value of captured counte...

Page 22: ... and 3 40118 117 0x75 Counter Config 2 Read write 40119 118 0x76 Counter Config 3 Read write 40120 119 0x77 Counter Config 4 Read write 40121 120 0x78 Counter Config 5 Read write 40122 121 0x79 Counter Config 6 Read write 40123 122 0x7A Counter Config 7 Read write 40124 123 0x7B Counter Config 8 Read write 40133 132 0x84 Catch Read write Catch counter 40134 133 0x85 Status Read write Captured coun...

Page 23: ...put 6 Read Input 6 state 10807 806 0x326 Input 7 Read Input 7 state 10808 807 0x327 Input 8 Read Input 8 state 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 Output 4 Read write Output 4 state 821 820 0x334 Output 5 Read write Output 5 state 822 821 0x335 Output 6 Read write Output 6 s...

Page 24: ...ite Captured value of counter 1 2130 2129 0x849 Captured 2 Read write Captured value of counter 2 2131 2130 0x84A Captured 3 Read write Captured value of counter 3 2132 2131 0x84B Captured 4 Read write Captured value of counter 4 2133 2132 0x84C Captured 5 Read write Captured value of counter 5 2134 2133 0x84D Captured 6 Read write Captured value of counter 6 2135 2134 0x84E Captured 7 Read write ...

Page 25: ...twork 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 Figure 13 PC connection Communication with the module is via a USB cable The module does not require any drivers The SfAR Configurator is an universal software where it is possible to configure all available modules...

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