This module is a combined module developed for the automation industry. It has a wide range of applications, perfect functions, small size and other characteristics. It has 12 do outputs (contact capacity AC250V / 6A or dc30v / 6A), 12 Di inputs, photoelectric isolation (DC24V), 5 AI inputs (0-20mA, 0-5V), 10 bit a / D, can connect various transmitters, 1 communication port RS485, and supports Modbus RTU Protocol, patch technology, high EMC performance, flexible networking.
Product characteristics
Dc8-24 V power supply
12 way relay output load capacity AC220 5A
MODBUS-RTU protocol
RS485 data port
Baud rate default 9600 address 01 data format n 8 1
Dimensions (mm): 145 (L) x 90 (W) x 40 (H)
Topology
Detailed specifications
Output relay parameters  | AC1 Class payload  | maximum 6A。  | 
AC3 Class payload  | maximum 1A。  | |
AC5 Class payload  | maximum 1A。  | |
DC load  | maximum 6A。  | |
Digital input characteristics  | Maximum voltage  | 36VDC  | 
Minimum voltage  | 9VDC  | |
Recommended voltage  | 24VDC/12VDC  | |
Input current  | 0~20mA  | |
Analog input characteristics  | Voltage range  | 0~5V  | 
Input current  | 0~20mA  | |
resolving power  | 10Bit  | |
Conversion speed  | 25K<4ms/cycle>  | |
Serial port characteristics  | level  | Standard RS485 level  | 
Baud rate  | 9600bps  | |
Communication protocol  | Modbus-RTU  | |
Input power characteristics  | Voltage  | 9~36VDC  | 
electric current  | 0.5A  | |
It has over-current protection function  | ||
It has the function of positive and negative reverse connection protection  | Prevent damage to components due to reverse connection of positive and negative  | 
ordering information
Product model
Working power supply
Enclosure protection
WEMS-LDK-S12
DC8-24V
IP53