2. Product introduction
E831-RTU (8080T-485) is an IO product that supports 8 digital inputs (default dry contact) and 8
digital outputs (NPN transistor open collector output). It supports Modbus RTU protocol. The product
is easy to use, allowing users to quickly and easily integrate into their systems
2.1. Basic parameters
Project
Index
Hardware parameter
Size(H*W*D)
105*75*30mm
Weight
256g
Interface method
Crimping method, 1*12*5.08mm
Operating Voltage
DC8V~28V, 12V or 24V is recommended, over 28V
may damage the device
Operating current
12V@ 56mA stand-by current
12V@ 86mA operating current
Communication Interface
RS485
：
1200~115200bps
8 digital inputs
Dry contact
，
DI acquisition frequency1KHz
8 digital outputs
Open collector
，
DO contact capacity
：
40V/1A
Baud rate
Baud rate range 1200~115200bps
，
factory default
9600
Operating temperature
-20℃~+70℃
storage temperature
-40℃~+85℃
Operating humidity
5%~95%
Storage humidity
1%~95%
