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C
ONTROL UNIT
5.1.2
Control terminals and DIP switches
The terminals of the
information 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 5.1.2.1 on page 47.
Reference
potentiometer 1...10 k
Remote reference
4...20mA/0...10V
Standard I/O board
mA
Table 23. Control I/O terminal signals on standard I/O board
and the
Relay board
Standard 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 Vin
A
RS485
B
RS485
*. Digital inputs can be disconnected from
ground, see chapter 5.1.2.2.
Honeywell
are described below. For more
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
24V auxiliary input
voltage
Serial bus, negative
Serial bus, positive
and connection example
• 46
*
5
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