Aspar RS485 MODBUS Module 8I8O User Manual
Expansion module
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Summary of Contents for Aspar RS485 MODBUS Module 8I8O
- Page 1 RS485 MODBUS Module 8I8O Expansion Module – 8 digital inputs, 8 digital outputs Version 2.4 User Manual Manufactured for...
- Page 2 RS485 MODBUS Module 8I8O User Manual Thank you for choosing our product. This manual will help you with proper support and proper operation of the device. The information contained in this manual have been prepared with utmost care by our professionals and serve as a description of the product without incurring any liability for the purposes of commercial law.
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Page 3: Safety Rules
RS485 MODBUS Module 8I8O User Manual 1. Safety rules • Before first use, refer to this manual • Before first use, make sure that all cables are connected properly • Please ensure proper working conditions, according to the device specifications (eg: supply voltage, temperature, maximum power consumption) •... -
Page 4: Technical Specifications
RS485 MODBUS Module 8I8O User Manual 2.2. Technical Specifications Voltage 10-38VDC; 10-28VAC Power Supply Maximum Current 200 mA @ 12V / 100 mA @ 24V No of inputs Voltage range 0 – 36V Low State „0” 0 – 3V Digital Inputs High State „1”... -
Page 5: Dimensions Of The Product
RS485 MODBUS Module 8I8O User Manual 2.3. Dimensions of the product Look and dimensions of the module are shown below. The module is mounted directly to the rail in the DIN industry standard. Power connectors, communication and IOs are at the bottom and top of the module. USB connector configuration and indicators located on the front of the module. -
Page 6: Communication Configuration
RS485 MODBUS Module 8I8O User Manual 3. Communication configuration 3.1. Grounding and shielding In most cases, IO modules will be installed in an enclosure along with other devices which generate electromagnetic radiation. Examples of these devices are relays and contactors, transformers, motor controllers etc. This electromagnetic radiation can induce electrical noise into both power and signal lines, as well as direct radiation into the module causing negative effects on the system. -
Page 7: Types Of Modbus Registers
RS485 MODBUS Module 8I8O User Manual 3.4. Types of Modbus Registers There are 4 types of variables available in the module Beginning Modbus Type Variable Access address Command 00001 Digital Outputs 1, 5, 15 Read & Write 10001 Digital Inputs... -
Page 8: Configuration Registers
RS485 MODBUS Module 8I8O User Manual 3.5.3. Configuration registers Modbus Name Values Address 0 – 2400 1 – 4800 2 – 9600 3 – 19200 40003 0x02 Baud rate 4 – 38400 5 – 57600 6 – 115200 other – value * 10 0 –... -
Page 9: Indicators
RS485 MODBUS Module 8I8O User Manual 4. Indicators Outputs state 1 – 8 Power Supply Communication Inputs State 1 – 8 Indicator Description Power supply LED indicates that the module is correctly powered. Communication The LED lights up when the unit received the correct packet and sends the answer. -
Page 10: Module Connection
RS485 MODBUS Module 8I8O User Manual 5. Module Connection 5.1. Digital inputs Sink input, PNP Source input, NPN Connection of encoder 5.2. Digital outputs Source output, PNP Connection of relay 5.3. Communication, power supply Communication Power supply, DC Voltage Power supply, AC Voltage... -
Page 11: Switches
RS485 MODBUS Module 8I8O User Manual 6. Switches Switch Function Description Module address +1 Module address +2 Module address +4 Setting module address from 0 to 31 Module address +8 Module address +16 Restoring default settings Restoring default settings (see 3.5.1 - Default settings and 3.5.2 - Restore the default configuration). -
Page 12: Modules Registers
RS485 MODBUS Module 8I8O User Manual 7. Modules Registers 7.1. Registered access Modbus Dec Hex Register Name Access Description 30001 0x00 Version/Type Read Version and Type of the device 30002 0x01 Switches Read Switches state 40003 0x02 Baud rate Read & Write... - Page 13 RS485 MODBUS Module 8I8O User Manual Modbus Dec Hex Register Name Access Description 40068 0x43 Counter 8 MSB Read & Write 40085 0x54 CCounter 1 LSB Read & Write 32-bit value of captured counter 1 40086 0x55 CCounter 1 MSB Read &...
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Page 14: Bit Access
RS485 MODBUS Module 8I8O User Manual 7.2. Bit access Modbus Register name Access Description Address Address Address 0x0C0 Default state of output 1 Read & Write Default state of output 1 0x0C1 Default state of output 2 Read & Write Default state of output 2 0x0C2 Default state of output 3 Read &... - Page 15 RS485 MODBUS Module 8I8O User Manual Modbus Register name Access Description Address Address Address 2129 2120 0x848 Captured 1 Read & Write Captured value of counter 1 2130 2129 0x849 Captured 2 Read & Write Captured value of counter 2...
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Page 16: Configuration Software
RS485 MODBUS Module 8I8O User Manual 8. Configuration software Modbus Configurator is software that is designed to set the module registers responsible for communication over Modbus network as well as to read and write the current value of other registers of the module. This program can be a convenient way to test the system as well as to observe real-time changes in the registers. -
Page 17: Table Of Contents
RS485 MODBUS Module 8I8O User Manual Table of Contents 1. Safety rules............................3 2. Module Features..........................3 2.1. Purpose and description of the module..................3 2.2. Technical Specifications......................4 2.3. Dimensions of the product.......................5 3. Communication configuration......................6 3.1. Grounding and shielding......................6 3.2. Network Termination.......................6 3.3.
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