ELECTRICAL CABLING AND CONNECTIONS
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6
6.2.3
Control terminal signals
OPT-A1
Terminal
Signal
Technical information
1
+10 Vref
Reference voltage
Maximum current 10 mA
2
AI1+
Analogue input,
voltage or current
Selection V or mA with jumper block X1
(see page 83):
Default: 0– +10V (Ri = 200 k
Ω
)
(-10V…..+10V Joy-stick control, selected with a jumper)
0– 20mA (Ri = 250
Ω
)
3
GND/AI1–
Analogue input common
Differential input if not connected to ground;
Allows
±
20V differential mode voltage to GND
4
AI2+
Analogue input,
voltage or current
Selection V or mA with jumper block X2
(see page 83):
Default: 0– 20mA (Ri = 250
Ω
)
0– +10V (Ri = 200 k
Ω
)
(-10V…..+10V Joy-stick control, selected with a jumper)
5
GND/AI2–
Analogue input common
Differential input if not connected to ground;
Allows
±
20V differential mode voltage to GND
6
24 Vout
(bidirectional)
24V auxiliary voltage
±
15%, maximum current 250 mA
Can also be used as external power backup for the control
unit (and fieldbus)
7
GND
I/O ground
Ground for reference and controls
8
DIN1 Digital
input
1
9
DIN2 Digital
input
2
10
DIN3 Digital
input
3
R
i
= min. 5k
Ω
18...30V = "1"
11
CMA
Digital input common A for
DIN1, DIN2 and DIN3.
Must be connected to GND or 24V of I/O terminal or
to external 24V or GND
Selection with jumper block X3
(see page 83):
12
24 Vout (bidi-
rectional)
24V auxiliary voltage
Same as terminal #6
13
GND
I/O ground
Same as terminal #7
14
DIB4 Digital
input
4
15
DIB5 Digital
input
5
16
DIB6 Digital
input
6
R
i
= min. 5k
Ω
17
CMB
Digital input common B for
DIB4, DIB5 and DIB6
Must be connected to GND or 24V of I/O terminal or
to external 24V or GND
Selection with jumper block X3
(see page 83):
18
AO1+
Analogue signal (+output)
19
AO1– Analogue
output
common
Output signal range:
Current 0(4)–20mA, R
L
max 500
Ω
or
Voltage 0—10V, R
L
>1k
Ω
Selection with jumper block X6
(see page 83):
20
DO1
Open collector output
Maximum U
in
= 48VDC
Maximum current = 50 mA
OPT-A2
21
RO1/1
22
RO1/2
23
RO1/3
Relay output 1
Max. switching voltage
250VAC, 125VDC
Max. switching current
8A/24VDC,
0.4A/250VDC
Min. switching load
5V/10mA
24
RO2/1
25
RO2/2
26
RO2/3
Relay output 2
Max. switching voltage
250VAC, 125VDC
Max. switching current
8A/24VDC,
0.4A/250VDC
Min. switching load
5V/10mA
Table 6-16. Control I/O terminal signals