Aspar SDM-6TE, User Manual

Page: 7 / 17

SDM-6TE
User Manual
3.4. Types of Modbus Registers
There are 4 types of variables available in the module
Type Beginning adress 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 SW8 (see 3.5.2 - Restore the
default configuration)
Baud rate 19200
Parity Nie
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 SW8
•
turn on the power
•
when power and communication LED start blinking alternately than turn off the
switch SW8
Caution! After restoring the default configuration all values stored in the registers will
be cleared as well.
Expansion modul – 6 temperature inputs
User Manual Version 1.1 7 z 17