AC90 TENSION CONTROL FREQUENCY INVERTER MANUAL BASIC OPERATION AND TRIAL RUN
31
Multi-function contact input connection
●
NPN transistor connection mode
use inner 24v power
+24V
PLC
X1
X2
X4
X3
X7
X8
X6
X5
COM
shielded cale
E
factory short connect
E
COM
X5
X6
X8
X7
X3
X4
X2
X1
PLC
+24V
dismantle 24v and PLC connector
+
-
use exterior 24v power
exterior 24v power
exterior
control
signal
exterior
control
signal
shielded cale
AC90
AC90
Chart 3-21: NPN transistor digital input signal connection mode
●
NPN transistor connection mode
-
+
E
X5
X6
X8
X7
X3
X4
X2
X1
PLC
+24V
use exterior 24v power
COM
COM
use inner 24v power
+24V
PLC
X1
X2
X4
X3
X7
X8
X6
X5
shielded cale
E
exterior
control
signal
exterior 24v power
shielded cale
exterior
control
signal
AC90
AC90
Chart 3-22: NPN transistor digital input signal connection mode
Digital output signal connection
double shielded cable
COM
control exterior relay by inner 24V power of inverter
wind
E
Y1
+24V
COM
exterior 24v power
-
+
COM
+24V
Y1
E
COM
double shielded cable
wind
control exterior relay by inner 24V power of inverter
AC90
AC90
Chart 3-23:AC90 series inverter digital output signal connection mode