36(80) Cabling and connections vacon
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6
6.2.2 Control cables
The control cables shall be at least 0.5 mm
2
screened multicore cables, see chapter 6.1.1.1. The
maximum terminal wire size is 2.5 mm
2
for the relay terminals and 1.5 mm
2
for other terminals.
6.2.2.1 Control I/O
Terminal Signal Description
1 +10V
ref
Reference output Voltage for potentiometer, etc.
2 AI1+ Analogue input, voltage range
0—10V DC.
Voltage input frequency reference
Can be programmed as DIN4
3 AI1- I/O Ground Ground for reference and controls
4AI2+
5AI2-
Analogue input, current range
0/4—20mA
Current input frequency reference
(programmable)
6 +24V Control voltage output Voltage for switches, etc. max 0.1 A
7
GND I/O ground Ground for reference and controls
8 DIN1 Start forward (programmable) Contact closed = start forward
9 DIN2 Start reverse (programmable) Contact closed = start reverse
10 DIN3 Multi-step speed selection 1
(programmable)
Contact closed = multi-step speed
11 GND I/O ground Ground for reference and controls
18 AO1+
19 AO1-
Output frequency
Analogue output
Programmable
Range 0—20 mA/R
L
, max. 500Ω
A RS 485 Serial bus Termination resistor 0/4….20mA
B RS 485 Serial bus Termination resistor 0/4….20mA
21 RO1
22 RO1
23 RO1
Relay output 1
FAULT
Programmable
Table 6-4. Multicontrol application default I/O configuration (with 2-wire
transmitter).
Terminal Signal Description
1 +10V
ref
Reference output Voltage for potentiometer, etc.
2 AI1+
or
DIN 4
Analogue input, voltage range
0—10V DC
Voltage input frequency reference
Can be programmed as DIN4
3 AI1- I/O Ground Ground for reference and controls
4AI2+
5AI2-
Analogue input, current range
0—20mA
Current input frequency reference
6 + 24 V Control voltage output
Table 6-5. The programming of AI1 as DIN4
Reference
potentiometer
2-wire
transmitter
mA
Actual
value
I
(0)4…20 mA
–
+
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