4 • vacon
Control I/O
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
2. CONTROL
I/O
NXL internal I/O board
Terminal Signal
Description
1 +10V
ref
Reference output
Voltage for potentiometer, etc.
AI1+
DIN4
Analogue input, voltage range
0—10V DC.
Voltage input
Used as digital input DIN4
3
AI1-
I/O Ground
Ground for reference and controls
4 AI2+
5 AI2-
/GND
Analogue input, voltage range
0—10V DC, or current range
0/4—20mA
Used as digital input DIN5
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 Fault
Reset
(programmable)
Contact open = No Reset
Contact closed = Reset
11 GND
I/O ground
Ground for reference and controls
18 AO1+
19 AO1-
Output frequency
Analogue output
Programmable. Can be used as DO2
Range 0—20 mA/R
L
, max. 500
Ω
A RS
485 Serial
bus
Differential receiver/transmitter
B RS
485 Serial
bus
Differential receiver/transmitter
30
+24V
24V aux. input voltage
Control power supply backup
21
RO1
22
RO1
23
RO1
Relay output 1
RUN
Programmable
Table 2-1. Lift application default I/O configuration.
I/O terminals on option board OPT-AA
Terminal
Signal in application
Description
X3
1
+24V
Control voltage output
Voltage for switches etc, max. 150 mA
2
GND
I/O ground
Ground for reference and controls
3 DIN1 DIE1
Speed
reference
selection
(programmable)
4 DIN2 DIE2
Speed
reference
selection
(programmable)
5 DIN3 DIE3
Speed
reference
selection
(programmable)
6
DO1
Exp. D01, Ready
Open collector output, 50mA/48V,
programmable
X5
24 RO1
25 RO1
26 RO1
Exp R01, Mechanical brake
Relay output 1 (NO),
function programmable
Switching capacity:
24VDC/8A
250VAC/8A
125VDC/0,4A
Table 2-2. I/O terminals of option board NXOPTAA
Note! The +24 V control voltage terminal can also be used to power the control module (but not the
power module).
mA
220
VAC