Chengdu Ebyte Electronic Technology Co.,Ltd.
E831-RTU(8080T-485) User
Manual
8
Copyright ©2012–2022
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
E831-RTU(8080T-485) is an IO product that supports 8-channel digital input (default dry contact) and 8-channel digital
output (NPN transistor open-collector output). Modbus RTU protocol is supported. The product has a high degree of ease of use,
and users can easily and quickly integrate into their own systems.
2.1 Basic parameters
Name
Describe
Hardware parameters
Product size (H*W*D)
105*75*30
mm
product weight
256g
interface
Crimping method, 1*12*5.08mm
Operating Voltage
DC8V~28V, 12V or 24V is recommended, over 28V may damage the device
prepare
Working current
12V@ 56mA Standby Current
12V@ 86mA working current
Communication Interface
RS485
：
1200~115200bps
8 digital input interfaces
Dry contact, DI acquisition frequency 1KHz
8 digital output interfaces
Open collector, DO contact capacity: 30V/50mA
baud rate
The baud rate range is 1200~115200bps, and the production default is 9600
Operating temperature
-20
℃
~+70
℃
storage temperature
-40
℃
~+85
℃
Working humidity
5%~95%
Storage humidity
1%~95%
2.2 Dimensions and interface description
