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DMP273en | 3rd Issue rev. 2 | 05/2022

SfAR-S-8AI2DO

User Manual

Expansion Module - 8 Analog Inputs, 2
Digital Outputs

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Summary of Contents for SfAR-S-8AI2DO

Page 1: ...www ismacontrolli com DMP273en 3rd Issue rev 2 05 2022 SfAR S 8AI2DO User Manual Expansion Module 8 Analog Inputs 2 Digital Outputs ...

Page 2: ...ions 11 4 5 Communication Settings 11 4 5 1 Default Settings 11 4 6 Configuration Registers 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 Analog Inputs 15 6 4 1 Connection of Current Measurement 15 6 4 2 Connection of Voltage Measurement 16 6 5 C...

Page 3: ...SfAR S 8AI2DO User Manual www ismacontrolli com DMP273en 3rd Issue rev 2 05 2022 page 3 of 26 10 1 Registered Access 21 10 2 Bit Access 24 11 Configuration Software 26 ...

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: ...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 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 or set the Modbus address using the DIP switches under th...

Page 7: ...orage 40 C to 85 C 40 F to 185 F Connectors Power Supply 2 pin Communication 3 pin Inputs outputs 2 x 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 direc...

Page 8: ...SfAR S 8AI2DO User Manual www ismacontrolli com DMP273en 3rd Issue rev 2 05 2022 page 8 of 26 Figure 1 Dimensions ...

Page 9: ...mediate 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 ...

Page 10: ...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 ON ON 29 ON OFF ON ON...

Page 11: ...puts 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 the 16 bit registers The access to registers is via Modbus RTU or Modbus ASCII 4 5 1 Default Settings The default configuration can be restored with the...

Page 12: ...sters will be cleared as well 4 6 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 data bits 8 8 data bits 40006 5 0x05 Response Delay ...

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

Page 14: ...ser Manual www ismacontrolli com DMP273en 3rd Issue rev 2 05 2022 page 14 of 26 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: ...rev 2 05 2022 page 15 of 26 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 Analog Inputs 6 4 1 Connection of Current Measurement Figure 7 Connection of current measurement ...

Page 16: ...nnection of voltage measurement 6 5 Connection of Digital Outputs 6 5 1 Connection of PNP Output Figure 9 Connection of PNP output 6 5 2 Connection of NPN Output Figure 10 Connection of NPN output 6 6 Quick Connector The Quick Connector is an unique feature of modules that allows for quickly connecting a group of devices with a flat ribbon cable ...

Page 17: ...upply and RS485 communication to one of the devices in the group and the others will 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: ...ing mode it is necessary to modify software settings and the position of jumpers inside the module as shown below Figure 12 Jumper setting 7 1 Opening the Case Figure 13 Opening the case Remove the catch by pressing it and moving it towards the center of the case Mind the spring located under the catch Separate parts of the case by gently tilting catches located as shown in the picture using thin ...

Page 19: ...is possible to eliminate the disruptions by switching the lowpass filter on It is possible to configure the filter for all inputs it is not possible to enable the filter for only one input The filter parameter corresponds to the filter time constant Step response of the filter is shown in the graph below Figure 14 Step response and different coefficients ...

Page 20: ...0 of 26 9 DIP Switch Figure 15 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 21: ...CII or RTU 40010 9 0x09 Analog Filtering Read write Analog filtering configuration 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 write 40035 34 0x22 Incorrect Packets LSR Read write No of received packets with error 40036 35 0x23 Incorrect Packets MSR Read write 40037 36 0x24 Sent Pa...

Page 22: ...el 2 Read write 40065 64 0x40 MAX Alarm Level 3 Read write 40066 65 0x41 MAX Alarm Level 4 Read write 40067 66 0x42 MAX Alarm Level 5 Read write 40068 67 0x43 MAX Alarm Level 6 Read write 40069 68 0x44 MAX Alarm Level 7 Read write 40070 69 0x45 MAX Alarm Level 8 Read write 40071 70 0x46 MIN Alarm Level 1 Read write If the analog signal is below this value corresponding alarm flag is set 40072 71 0...

Page 23: ... mA to 20 mA 6 current 0 mA to 20 mA 7 current 20 mA to 20 mA To change the input mode you must to set jumper inside of module 40088 87 0x57 Input 2 settings Read write 40089 88 0x58 Input 3 settings Read write 40090 89 0x59 Input 4 settings Read write 40091 90 0x5A Input 5 settings Read write 40092 91 0x5B Input 6 settings Read write 40093 92 0x5C Input 7 settings Read write 40094 93 0x5D Input 8...

Page 24: ... write Table 9 Registered access 10 2 Bit Access Modbus Address Dec Address Hex Address Register Name Access Description 801 800 0x320 Input 1 Read Set when the input is connected 802 801 0x321 Input 2 Read Set when the input is connected 803 802 0x322 Input 3 Read Set when the input is connected 804 803 0x323 Input 4 Read Set when the input is connected 805 804 0x324 Input 5 Read Set when the inp...

Page 25: ... Name Access Description 821 820 0x334 Alarm 5 Read Alarm state 5 822 821 0x335 Alarm 6 Read Alarm state 6 823 822 0x336 Alarm 7 Read Alarm state 7 824 823 0x337 Alarm 8 Read Alarm state 8 825 824 0x338 Digital Output 1 Read write State of digital output 1 826 825 0x339 Digital Output 1 Read write State of digital output 2 Table 10 Bit access ...

Page 26: ...twork as well as to read and write the current value of other registers of the module It s a convenient way to test the system as well as to observe real time changes in the registers Figure 16 PC connection Communication with the module is via the USB cable The module does not require any drivers The SfAR Configurator is a universal software where it is possible to configure all available modules...

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