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Voltage measurement AC2517
The parameter bit P0 is of no importance for the AC2517!
Connection of a 2-wire sensor without own supply
Pin 1: sensor supply +24 V
Pin 2: AI+ analogue input
Pin 3: sensor supply 0 V
Pin 4: AI- analogue input 0 V
Pin 5: functional earth
Connection of a 3-wire sensor without own supply
Pin 1: sensor supply +24 V
Pin 2: AI+ analogue input
Pin 3: sensor supply 0 V
Pin 4: AI- analogue input 0 V
Pin 5: functional earth
When a 3-wire sensor without own supply is connected the link
between pin 3 and pin 4 has to be created externally!
Parameter setting of the analogue modules
Parameter bit
P0
(not used for
AC2517)
P1, P2
P3
14
Designation
selection
2/3 wires / 4 wires
channel activation
periphery fault
Description
1
2-/ 3-wire operation (link active)
0
4-wire operation (link inactive)
P1 P2
channel1 channel2 channel3 channel4
0
0
on
0
1
on
1
0
on
1
1
on
1
periphery fault indication active
0
periphery fault indication not active
U+
U-
U+
analogue in
voltage
U-
off
off
off
on
off
off
on
on
off
on
on
on
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