RUN
FAULT
READY
Reference output+10 Vref
Terminal
Standard I/O board
Signal
1
24V auxiliary voltage24Vout6
Analogue input 1 +AI1+2
AI1-3
Analogue input 2 +
AI2+4
AI2-5
Analogue output 1 +
AO1+
RUN
18
Analogue output 1 -
AO1-19
+24Vin
30
24V auxiliary voltage24Vout
12
I/O groundGND7
I/O groundGND13
Digital input 1DI18
Digital input 2DI29
Digital input 3DI310
Digital input 4DI414
Digital input 5DI515
Digital input 6DI616
Relay output 1
RO1/1 NC21
22
RO1/2 CM
RO1/3 NO23
Common for DI1-DI6CM11
Common for DI1-DI6CM
17
Serial bus, negativeRS485A
Serial bus, positiveRS485
B
Relay output 2
Relay output 3
RO2/1 NC24
25
RO2/2 CM
RO2/3 NO26
32
RO3/2 CM
RO3/3 NO33
Description
Frequency reference
(default 0...10V)
Frequency reference
(Default 4...20mA)
Start forward
Start reverse
External fault
DI4
DI5
Freq. ref.
Open
Closed
Open
Closed
Open
Open
Closed
Closed
Analog input 1
Preset Freq. 1
Preset Freq. 2
Preset Freq. 3
Fault reset
Output frequency
(default: 0...20mA)
Modbus RTU
N2, BACnet
Analogue input 1 -
FAULT
Analogue input 2 -
Reference
potentiom-
eter
1...10kΩ
mA
*)
*)
**)
24V auxiliary
input voltage
Fig. 4: The default control connections of the Standard application
* = You can isolate the digital inputs from the ground with a DIP switch.
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