
Basic Application vacon • 7
1
Jum p e r b lo ck X 3 :
CM A and CMB grounding
CM B connected to GN D
CM A connected to GN D
CMB isolated from GN D
CMA isolated from GND
CMB and CMA
internally connected together,
isolated from GN D
= Factory default
1.2 Control I/O
OPT-A1
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
3 AI1- I/O Ground Ground for reference and controls
4 AI2+
5 AI2-
Analogue input, current range
0—20mA
Current input frequency reference
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
Contact closed = start forward
9 DIN2 Start reverse
Contact closed = start reverse
10 DIN3 External fault input
(programmable)
Contact open = no fault
Contact closed = fault
11 CMA
Common for DIN 1—DIN 3 Connect to GND or +24V
12 +24V Control voltage output Voltage for switches (see #6)
13 GND I/O ground Ground for reference and controls
14 DIN4 Multi-step speed select 1 DIN4 DIN5 Frequency ref.
15 DIN5 Multi-step speed select 2 Open
Closed
Open
Closed
Open
Open
Closed
Closed
Ref.U
in
Multi-step ref.1
Multi-step ref.2
RefMax
16 DIN6 Fault reset Contact open = no action
Contact closed = fault reset
17 CMB Common for DIN4—DIN6 Connect to GND or +24V
18 AO1+
19 AO1-
Output frequency
Analogue output
Programmable
Range 0—20 mA/R
L
, max. 500Ω
20 DO1 Digital output
READY
Programmable
Open collector, I≤50mA, U≤48 VDC
OPT-A2
21 RO1
22 RO1
23 RO1
Relay output 1
RUN
24 RO2
25 RO2
26 RO2
Relay output 2
FAULT
Table 1-1. Basic application default I/O configuration.
Note: See jumper selections below.
More information in the product's
User's Manual (Trend Installation
Manual Part3).
READY
220
VAC
Reference potentiometer,
1…10 kΩ
RUN
mA
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