Control I/O - Honeywell NXL User Manual

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§ § ¨ ¨ © ©            

6.2.4 Control I/O

Reference
k Ω
Potentiometer 1-10
Cabling and connections
Terminal
1 +10V Reference output
ref
2 AI1+ Analogue input, voltage range
0—10V DC.
3 AI1- I/O Ground
4 AI2+ Analogue input, current range
0—20mA
5 AI2-
/GND
6 +24V Control voltage output
7
GND I/O ground
8 DIN1 Start forward (programmable)
9 DIN2 Start reverse (programmable)
10 DIN3 Preset speed selection 1
(programmable)
11 GND I/O ground
18 AO1+ Output frequency
mA
Analogue output
19 AO1-
A RS 485 Serial bus
B RS 485 Serial bus
30 +24V 24V aux. input voltage
21 RO1
22 RO1
23 RO1
Table 6-7. Default I/O configuration.
Terminal
12 +24V +24 V DC
13 GND I/O ground
14 Exp DIN1 Preset speed selection 2
(programmable)
15 Exp DIN2 Fault Reset
(programmable)
16 Exp DIN3 Disable PID (PID control
selection)
(Programmable)
25 Exp RO1 Expander Relay output 1 (NO)
RUN
26 Exp RO1
28 TI+ Motor Thermistor input
29 TI-
Table 6-8. Additional inputs in NXL HVAC (available as option for NXL Compact)
Terminal
1 +10V Reference output
ref
2 AI1+ Analogue input, voltage range
0—10V DC
or
DIN 4
3 AI1- I/O Ground
4 AI2+ Analogue input, voltage range
0—10V DC or current range
5 AI2-
0—20mA
/GND
6 + 24 V Control voltage output
7 GND I/O ground
Table 6-9. AI1 configuration, when programmed as DIN4
Signal
Voltage for potentiometer, etc.
Voltage input frequency reference
Ground for reference and controls
Current input frequency reference
Voltage for switches, etc. max 0.1 A
Ground for reference and controls
Contact closed = start forward
Contact closed = start reverse
Contact closed = Preset speed 1
Ground for reference and controls
Programmable
Range 0—20 mA/R
Differential receiver/transmitter
Differential receiver/transmitter
Control power supply backup
Relay output 1 Programmable
FAULT
Signal
Control voltage output; voltage for
switches etc.
Ground for reference and controls
Contact closed = Preset speed 2
Contact closed = Fault reset
Contact closed = Disable PID
Programmable
Active = Fault, stop according to defined
method
Signal
Voltage for potentiometer, etc.
Voltage input frequency reference (MF2-3)
Voltage/current input frequency reference
(MF4-MF6)
Can be programmed as DIN4
Ground for reference and controls
Voltage
reference
Ground for reference and controls
45(96)
Description
, max. 500 Ω
L
Description
Description
or current input frequency
6