Maiwe MIEN2218-2S User Manual - Page 11
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MIEN2216/18/20&MIEN6216/18/20 Industrial Ethernet Switch
appliances, the two digits on the right are normally closed relays. When the
switch is working normally, always open the relay.
The device is energized and closed, and the normally closed relay is
disconnected. When the system is powered off, the normally open relay is
powered off.
Normally closed relay is closed. The recommended switching load
capacity of the relay is 1A (24VDC).
Relay output terminal pin definition and description table
Number
1
Alarm relay output normally open
Alarm relay output common
2
3
Alarm relay output normally closed
4.Console port
The network management port is an RJ45 interface, as shown in the figure
below. Please use the serial port extension cable provided by our company to
connect to the PC's serial port. The interface communication standard is 3-wire
RS-232.
5.Indicator lights
LED
P1
P2
ALM
Pin definition
terminal
System status indicator description
Indicate
status description
Power supply 1 connection is operating
On
normally
Power supply 1 is not connected or
Off
operating abnormally
Power supply 2 connection is operating
On
normally (AC none)
Power supply 2 is not connected or
Off
operating abnormally(AC None)
On
Power alarm
Off
No power alarm
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