Aspar RS485 MODBUS, Руководство пользователя

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RS485 MODBUS Module 16O
User Manual
3.4. Types of Modbus Registers
There are 4 types of variables available in the module
Type
Beginning
address
Variable Access
Modbus
Command
1 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
3.5. Communication settings
The data stored in the modules memory are in 16-bit registers. Access to
registers is via MODBUS RTU or MODBUS ASCII.
3.5.1. Default settings
You can restore the default configuration by the switch SW6 (see 3.5.2 - Restore
the default configuration)
Baud rate 19200
Parity No
Data bits 8
Stop bits 1
Reply Delay [ms] 0
Modbus Type RTU
3.5.2. Restore the default configuration
To restore the default configuration:
•
turn off the power
• turn on the switch SW6
•
turn on the power
•
when power and communication LED flash turn off the switch SW6
Caution! After restoring the default configuration all values stored in the registers will
be cleared as well.
Expansion Module– 16 digital outputs
User Manual Version 1.2 7 / 16