Table 35: The standard I/O board
Standard I/O board
Terminal Signal Technical information
11 Common A for DIN1-DIN6
Digital inputs can be disconnected from ground, see chapter
Isolation of digital inputs from ground in the Installation Man-
ual.
12 24 V aux. voltage
+24 V, ±10%, max volt. ripple < 100mVrms
max. 250 mA
Short-circuit protected
13 I/O ground
Ground for reference and controls (connected internally to
frame ground through 1 MΩ)
14 Digital input 4
Positive or negative logic
Ri = min. 5 kΩ
0-5 V = 0
15-30 V = 1
15 Digital input 5
16 Digital input 6
17 Common A for DIN1-DIN6
Digital inputs can be isolated from ground, see chapter Isola-
tion of digital inputs from ground in the Installation Manual.
18 Analogue signal (+output)
Analogue output channel 1, selection 0 -20 mA, load <500 Ω
Default: 0-20 mA
0-10 V
Resolution 0.1 %, accuracy ±2 %
Selection V/mA with DIP switches (see chapter Selection of
terminal functions with DIP switches in the Installation Man-
ual)
Short-circuit protected
19 Analogue output common
30 24V auxiliary input voltage Can be used as external power backup for the control unit
A RS485
Differential receiver/transmitter
Set bus termination with DIP switches (see chapter Selection
of terminal functions with DIP switches in the Installation
Manual). Termination resistance = 220 Ω
B RS485
VACON · 130 TECHNICAL DATA ON CONTROL CONNECTIONS
10
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