1
6
2
3
4
5
18
19
20
12
7
13
8
9
10
14
15
16
11
17
Maximum current 10 mA
Differential input if not connected to ground
Allows ±20 V common mode voltage to GND
Ground for reference and controls
Same as terminal #7
Digital inputs can be disconnected from ground (*)
Must be connected to GND or 24 V of I/O term.
or to ext.24 V or GND
Selection with jumper block X3 (*)
Ri = min. 5 kΩ
18-30 V = 1
Ri = min. 5 kΩ
18-30 V = 1
Output signal range: Current 0(4)-20 mA,
RL max 500 Ω or
Voltage 0-10 V, RL >1kΩ
Selection with jumper block X6 (*)
Maximum Uin = 48 VDC
Maximum current = 50 mA
Open collector output
AO1-
DO1
+24V
GND
GND
DIN1
DIN2
DIN3
DIN4
DIN5
DIN6
CMA
CMB
Standard I/O board
Terminal
Signal
Description
+10V
ref
AI1+
GND/AI1-
AI2+
GND/AI2-
+24V
Reference voltage
Analogue input,
voltage or current
Analogue input,
voltage or current
24 V aux. voltage
I/O ground
Analogue input common
Analogue input common
Common A for DIN1—DIN3
Common B for DIN4-DIN6
Analogue signal (+output)
Analogue output common
Control voltage output
I/O ground
AO1+
Selection V/mA with jumper block X1 (*)
0...+10 V (Ri = 200 kΩ)
(-10V...+10V Joystick ctrl, sel. with jumper)
0-20 mA (Ri =250 Ω)
Differential input if not connected to ground
Allows ±20 V common mode voltage to GND
Selection V/mA with jumper block X1 (*)
0...+10 V (Ri = 200 kΩ)
(-10V...+10V Joystick ctrl, sel. with jumper)
0-20 mA (Ri =250 Ω)
±15%, max. 250 mA (all boards total)
150 mA (from single board)
Can also be used as external power backup for
the control unit (and fieldbus)
Same as terminal #6
Digital input 1
Digital input 4
Digital input 5
Digital input 6
Digital input 2
Digital input 3
Reference potentiometer,
1-10kΩ
Fig. 22: The control terminal signals in OPTA1
*) See Fig. 26 Jumper selections for OPTA1.
VACON · 72
CONTROL UNIT
6
TEL. +358 (0)201 2121 · FAX +358 (0)201 212 205
