Installation
04/10 MN04020001Z-EN
44
Function of the control signal terminals
The functions that are set in the ex-factory and the electrical
connection data of all control signal terminals are listed in the
following table.
Table 4: Factory-set functions of the control terminals
Terminal
Signal Factory setting Description
1 +10V Output nominal voltage - Maximum load 10 mA, reference potential GND
2AI1 Analog signal input 1 Frequency reference value
1)
0 - +10 V (R
i
> 200 kO)
0/4 - 20 mA (R
B
= 200 O)
Selectable through microswitch S2
3 GND Reference potential - 0V
4AI2 Analog input 2 PID controller, actual value
1)
0 - +10 V (R
i
> 200 kO)
0/4 - 20 mA (R
B
= 200 O)
Selectable through microswitch S3
5 GND Reference potential - 0V
6 24V Control voltage for DI1 - DI6,
output (+24 V)
- Maximum load 50 mA, reference potential GND
7DI-C
Reference potential of the
digital inputs DI1 - DI6
LOGIC- (GND) Selectable through microswitch LOGIC –/+
8DI1 Digital input 1 FWD start enable, forward
1)
0 - +30 V (R
i
> 12 kO)
9DI2 Digital input 2 REV start enable, reverse
1)
0 - +30 V (R
i
> 12 kO)
10 DI3 Digital input 3 Fixed frequency
B0
1)
0 - +30 V (R
i
> 12 kO)
13 DO- Digital output Active = READY
1)
Transistor, max. 50 mA, supply voltage control
signal terminal 20
14 DI4 Digital input 4 Fixed frequency B1
1)
0 - +30 V (R
i
= 12 kO)
15 DI5 Digital input 5 Error acknowledgment
1)
0 - +30 V (R
i
= 12 kO)
16 DI6 Digital input 6 PI controller deactivated
1)
0 - +30 V (R
i
= 12 kO)
18 AO
Analog output Output frequency
1)
0 - +10 V, max. 10 mA
20 DO+ Digital output Supply voltage, see control
signal terminal 13
Supply voltage for digital output DO max.
48 V DC, max. 50 mA
22 R13
Relay 1, normally open contact Active = RUN
1)
Maximum switching load:
250 V AC/2 A or 250 V DC/0.4 A
23 R14 Relay 1, normally open contact Active = RUN
1)
Maximum switching load:
250 V AC/2 A or 250 V DC/0.4 A
24 R22 Relay 2, changeover contact
(N/C)
Active = FAULT
1)
Maximum switching load:
250 V AC/2 A or 250 V DC/0.4 A
25 R21
Relay 2, changeover contact Active = FAULT
1)
Maximum switching load:
250 V AC/2 A or 250 V DC/0.4 A
26 R24 Relay 2, changeover contact
(N/O)
Active = FAULT
1)
Maximum switching load:
250 V AC/2 A or 250 V DC/0.4 A
AA RS485 signal A BUS-Communication Modbus RTU
BB RS485 signal B BUS-Communication Modbus RTU
1) Programmable function (a section “List of parameters”, page 176)
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