Chengdu Ebyte Electronic Technology Co., Ltd.
Distributed IO Host (M31 Series) User Manual
Copyright © 2012 , Chengdu Ebyte Electronic Technology Co., Ltd.
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M31-AXAX4040G:
Symbol
name
Function/Description
PWR
Power Indicator
Red LED light; on: the system power supply is normal; off: the system
power supply is abnormal
LINK
Link indicator
Yellow LED light; on: there is a link; off: no link; flashing quickly when
there is data interaction
STA
Status Indicator
Blue LED light; flashes alternately to indicate normal operation; always on
or off indicates abnormal device status.
DI1
DI1 input indicator light Green LED light; on: DI1 valid input; off: DI1 invalid input
DI2
DI2 input indicator light Green LED light; on: DI2 valid input; off: DI2 invalid input
DI3
DI3 input indicator light Green LED light; on: DI3 valid input; off: DI3 invalid input
DI4
DI4 input indicator light Green LED light; on: DI4 valid input; off: DI4 invalid input
DO1
DO1 output indicator
light
Green LED light; on: DO1 relay is closed; off: DO1 relay is open
DO2
DO2 output indicator
light
Green LED light; on: DO2 relay is closed; off: DO2 relay is open
DO3
DO3 output indicator
light
Green LED light; on: DO3 relay is closed; off: DO3 relay is open
DO4
DO4 output indicator
light
Green LED light; on: DO4 relay is closed; off: DO4 relay is off
M31-AXXXA000G:
Symbol
name
Function/Description
PWR
Power Indicator
Red LED light; on: the system power supply is normal; off: the system
power supply is abnormal
LINK
Link indicator
Yellow LED light; on: there is a link; off: no link; flashing quickly when
there is data interaction
STA
Status Indicator
Blue LED light; flashes alternately to indicate normal operation; always on
or off indicates abnormal device status.
DI1
DI1 input indicator light Green LED light; on: DI1 valid input; off: DI1 invalid input
DI2
DI2 input indicator light Green LED light; on: DI2 valid input; off: DI2 invalid input
DI3
DI3 input indicator light Green LED light; on: DI3 valid input; off: DI3 invalid input
DI4
DI4 input indicator light Green LED light; on: DI4 valid input; off: DI4 invalid input
DI5
DI5 input indicator light Green LED light; on: DI5 valid input; off: DI5 invalid input
DI6
DI6 input indicator light Green LED light; on: DI6 valid input; off: DI6 invalid input
DI7
DI7 input indicator light Green LED light; on: DI7 valid input; off: DI7 invalid input
DI8
DI8 input indicator light Green LED light; on: DI8 valid input; off: DI8 invalid input
DI9
DI9 input indicator light Green LED light; on: DI9 valid input; off: DI9 invalid input
DI10
DI10 input indicator
light
Green LED light; on: DI10 valid input; off: DI10 invalid input
DI11
DI11 input indicator
light
Green LED light; on: DI11 valid input; off: DI11 invalid input
