VASCO Inverter O&M Manual
37
Control board
Analog inputs (10 or 15 Vdc):
1.
AN1: 4-20 mA: sensor 1
2.
AN2: 4-20 mA: sensor 2
3.
AN3: 4-20 mA / 0 - 10 Vdc (settable
by jumper C.C.): external set
4.
AN4: 4-20 mA / 0 - 10 Vdc (settable
by C.C.): trimmer for frequency
regulation / external set 2
Digital outputs:
x
motor run signal:
NO1, COM1: closed contact with motor running.
NC1,COM1: closed contact with motor stopped.
x
alarm signal
NO2,COM2: closed contact without alarm.
NC2,COM2: closed contact with alarm or no power
supply.
x
DOL1 pump relay:
NO3,COM3: closed contact with DOL1 running.
NC3,COM3: opened contact with DOL1 running.
x
DOL2 pump relay:
NO4,COM4: closed contact with DOL2 running.
NC4,COM4: opened contact with DOL2 running.
Relays are no voltage contacts. Max. voltage to the
contacts is 250 V with max current of 5 A.
RS485 for COMBO:
x
S1+
x
S1-
x
G
It is recommended to
respect the polarity
linking more VASCOs in
series.
Digital inputs:
x
IN1 : motor start & stop
x
IN2: value set 1 & 2 switching
x
IN3: sensor 1 & 2 switching
x
IN4 : motor start & stop + alarms
reset
x
0V
We recommend using only no voltage
contacts.
Opening or closing the digital contacts
(depending on software configuration
set (see IN/OUT. parameters) you can
start or stop the motor.
RS485 for MODBUS:
x
S2+
x
S2-
x
G
It is recommended to
respect the polarity.
