Ebyte M31 Series User Manual page 21

Chengdu Ebyte Electronic Technology Co., Ltd.
M31-AXXX8000G:
Symbol name
DI1 DI1 switch input
COM1 COM terminal of DI1
DI2 DI2 switch input
COM2 COM side of DI2
DI3 DI3 switch input
COM3 COM side of DI3
DI4 DI4 switch input
COM4 COM side of DI4
DI5 DI5 switch input
COM5 COM side of DI5
DI6 DI6 switch input
COM6 COM side of DI6
DI7 DI7 switch input
COM7 COM side of DI7
DI8 DI8 switch input
COM8 COM side of DI8
VO+ Power output positive
pole
VO+ Power output positive
pole
VO- Power output negative
pole
Reload Factory
reset/auto-negotiation
A(RS485) RS485 A interface
B(RS485) RS485 B interface
G(RS485) RS485G interface
PE ground
V-(DC9-36 Negative pole of power
V) supply
V+ Positive pole of power
supply
（DC9-36
V）
LAN1 Network port
Copyright © 2012 , Chengdu Ebyte Electronic Technology Co., Ltd.
Function/Description
DI1 switch input interface, used in conjunction with COM1
COM side of DI1
DI2 switch input interface, used in conjunction with COM2
COM2 end of DI2
DI3 switch input interface, used in conjunction with COM3
COM side of DI3
DI4 switch input interface, used in conjunction with COM4
COM side of DI4
DI1 switch input interface, used in conjunction with COM5
COM side of DI5
DI6 switch input interface, used in conjunction with COM6
COM side of DI6
DI7 switch input interface, used in conjunction with COM7
COM side of DI7
DI8 switch input interface, used in conjunction with COM8
COM side of DI8
The positive pole of the power supply output is consistent with the
power supply voltage of the device.
The positive pole of the power supply output is consistent with the
power supply voltage of the device.
The negative pole of the power supply output is the same as the power
supply voltage of the device.
Press and hold for 5-10 seconds to restore factory settings; double-click
within 2 seconds to automatically negotiate the expansion module
RS485 A interface
RS485 B interface
RS485G interface
ground
DC (9-36V) power supply negative interface
DC (9-36V) power supply positive interface
Standard RJ45 network cable interface
Distributed IO Host (M31 Series) User Manual
18