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Nxl Hvac Inverter Connections - Honeywell NX Series Pocket Programming Manual

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NXL HVAC Inverter Connections

Installation and Power Connections
See the NXL HVAC Quick Guide and NXL HVAC Safety Guide (attached to each drive)
for information on installation, cabling, cooling, power connections and safety. More
information can be found in the NXL HVAC User's Manual, which can be downloaded from
http://www.inettrack.europe.honeywell.com/support.
Control Terminal Connections
1
+ 10 V
Reference output
ref
(voltage for potentiometer etc.)
2
AI1 +
Analogue Input 1 (V signal)
3
AI1 –
I/O Ground
4
AI2 +
Analogue Input 2 (mA signal)
5
AI2 –
6
+24 V
+24 V output (max. 0.1 A)
7
GND
I/O ground
8
DIN1
Digital Input 1 (Start forward)
21
RO1
22
RO1
23
RO1
04
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9
DIN2
10 DIN3
11 GND
18 AO1 +
19 AO1 –
A
RS485
B
RS485
30 +24V
12
+ 24 V
13
GND
14
DIE1
15
DIE2
16
DIE3
25
ROE1
26
ROE1
Relay 1
28
TI+
NO/NC
(fault)
29
TI –
Digital Input 2
(Start reverse)
Digital Input 3
(Preset speed 1,
default: 10 Hz)
I/O Ground
Analogue output 1
Range 0–20 mA/R
,
L
max. 500
Modbus RTU, serial bus
Input for +24 V backup voltage
+24 V output (max. 150 mA)
I/O ground
Exp. Digital Input 1 (Preset
speed 2, default: 50 Hz)
Exp. Digital Input 2
(Fault Reset)
Exp. Digital Input 3
(Disable PID)
Exp. Relay 1
NO (run)
Thermistor Input;
Rtrip = 4.7 k1
(PTC)

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