Control Terminals And Dip Switches - Honeywell SmartVFD HVAC MR4 User Manual

C
ONTROL UNIT
6.1.2

Control terminals and DIP switches

The terminals of the
formation on the connections, see chapter 7.2.1.
The terminals shown on shadowed background are assigned for signals with optional functions
selectable with DIP switches. See more information in chapter 6.1.2.1 on page 52.
Reference
potentiometer 1...10 k
Remote reference
4...20mA/0...10V
Basic I/O board and the
Ω
mA
Table 15. Control I/O terminal signals on basic I/O board
Relay boards are described below. For more in-
Basic I/O board
Terminal
1
+10 Vref
2
AI1+
3
AI1-
4
AI2+
5
AI2-
6
24Vout
7
GND
8
DI1
9
DI2
10
DI3
11
CM
12
24Vout
13
GND
14
DI4
15
DI5
16
DI6
17
CM
18
AO1+
19
AO-/GND
30
+24 VDCin
A
RS485
B
RS485
*. Digital inputs can be disconnected from
ground, see chapter 6.1.2.2.
Honeywell
Signal
Reference output
Analogue input,
voltage or current
Analogue input com-
mon (current)
Analogue input,
voltage or current
Analogue input com-
mon (current)
24V aux. voltage
I/O ground
Digital input 1
Digital input 2
Digital input 3
Common for DI1-DI6
24V aux. voltage
I/O ground
Digital input 4
Digital input 5
Digital input 6
Common for DI1-DI6*
Analogue signal
(+output)
Analogue output com-
mon
24VDC auxiliary input
voltage
Negative
Positive
and connection example
• 50
*
6