TREND NX Variable Speed Drives - Manual (Page 125)

Basic Application vacon • 7
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Jumper block X 3 :
CM A a nd CM B grounding
CMB connected to GN D
CMA connected to GN D
CMB isolated from GND
CMA isolated from GN D
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. 500 Ω
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 k
Ω
RUN
mA