Setting the Configuration Mode Switch in 1769 SM2 Module
Before installing the module, make sure its Configuration Mode Switch is correctly set.
SW1 Setting
Description
SW2 Setting
CONT (Controller) back position
Default setting—The 1769-SM2 module uses the configuration data downloaded from the controller on power-up and when the controller is placed in run mode.
Single Position (For Single drive per channel)
PARAM (Parameter) front position
The 1769-SM2 module uses its internal parameter settings to configure the module.
Multi-Drive Position (For Max 5 drives per channel or up 31 RTU slave devices per channel)
Select SW1 in Controller Position and SW2 in Multi-Drive
Configuration and Logic
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Configuration and Logic
n o i t a r u c g i i f g n o o L C I n e l u d o M
Configuration and Logic
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Configuration and Logic
1769-SM2 Module Configuration Data Table
RTU Baud Rate Configuration
e.g.: For baud rate 9600 bits/sec select value “2”.
RTU Format Configuration Where The RTU format consists of three components: data bits (8 data bits only), parity (None, Even or Odd), and stop bits (1 or 2).
Configuration and Logic s e c i v e D U g T n R i d f a o e a r t r a o d f r e c t i s g i o g L e R g n i d
Configuration and Logic s e c i v e D U g T n R i d f a o e a r t r a o d f r e c t i s g i o g L e R g n i d
Configuration and Logic s e c i v e D U g T n R i d f a o e a r t r a o d f r e c t i s g i o g L e R g n i d
Configuration and Logic s e c i v e D U g T n R i d f a o e a r t r a o d f r e c t i s g i o g L e R g n i d
Notes
Slave Device ID, Function Code, Register Address and Length may vary according to the slave device’s parameters. parameters. Please select the proper data for slave devices otherwise communication fails.
To check slave device parameters use ModScan32 if available.
AK-U0-RJ45-TB2P (RJ45 – RS485 Connector) Pin Out:
References 1769 SM 2 Module User Manual (http://literature.rockwellautomation.com (http://literature.rockwella utomation.com/idc/groups/li /idc/groups/literature/doc terature/documents/um/ uments/um/1769-um013_-en1769-um013_-enp.pdf)
