Type
Terminal
Symbol
Terminal
name
Function description
Digital
output
DO2-CME
Digital output
2
Optical coupling isolation, dual polarity open
collector output
Output voltage range: 0V to 24V
Output current range: 0mA to 50mA
Caution: The digital output ground CME
and digital input ground COM are internally
isolated. The users must make them short
circuit externally. When DO2 needs to be
driven by the external power supply, the
connection between CME and COM must be
disconnected.
Relay
output
(RELAY 2)
P/A- P/B
Normally
closed
terminal
Contact driving capacity
：
AC250V
，
3A
，
COSφ=0.4
.
DC 30V
，
1A
Contact driving capacity:
AC250V, 3A, COSφ=0.4.
DC 30V, 1A
P/A- P/C
Normally
open terminal
Communi-
cation
CN3
Communi-
cation
terminal
The input/output signal terminal for RS-485
communication
Auxiliary
interface
JK1
Control panel
interface
28-core terminal, connecting to control board
of MD320 series inverter
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