Mini Modbus 4DO
Expansion Module – 4 digital outputs
Version 1.3
User Manual
Manufactured for
Page 1: ...Mini Modbus 4DO Expansion Module 4 digital outputs Version 1 3 User Manual Manufactured for...
Page 2: ...ut incurring any liability for the purposes of commercial law This information does not release you from the obligation of own judgment and verification We reserve the right to change product specific...
Page 3: ...number of outputs in popular PLCs This module is connected to the RS485 bus with twisted pair wire Communication is via MODBUS RTU or MODBUS ASCII The use of 32 bit ARM core processor provides fast p...
Page 4: ...250mA Output Type PNP Temperature Work 10 C 50 C Storage 40 C 85 C Connectors Power Supply 3 pin Communication 3 pin Outputs 2 x 3 pin Configuration Mini USB Size Height 90 mm Length 56 mm Width 17 m...
Page 5: ...should be taken at the installation stage to prevent these effects These protective steps include control cabinet grounding module grounding cable shield grounding protective elements for electromagn...
Page 6: ...d 2 3 30001 Input Registers Registered Read 3 4 40001 Output Registers Registered Read Write 4 6 16 3 4 Communication settings The data stored in the modules memory are in 16 bit registers Access to r...
Page 7: ...Stop Bits LSB 1 one stop bit 2 two stop bits 40004 3 0x03 Data Bits MSB 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 4 Indicators Indicato...
Page 8: ...Mini Modbus 4DO User Manual 5 Block diagram 6 Module Connection Expansion Module 4 digital outputs User Manual Version 1 3 8 11 V OUT1 C RS485 VCC GND GND 485 485 OUT2 V OUT3 OUT4...
Page 9: ...kets LSB Read Write 40035 34 0x22 Incorrect packets MSB Read Write No of received packets with error 40036 35 0x23 Incorrect packets LSB Read Write 40037 36 0x24 Sent packets MSB Read Write No of sent...
Page 10: ...urrent 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 Communication with the module is done via...
Page 11: ...tion 5 3 3 Types of Modbus Registers 6 3 4 Communication settings 6 3 4 1 Default settings 6 3 4 2 Configuration registers 7 4 Indicators 7 5 Block diagram 8 6 Module Connection 8 7 Modules Registers...
