24
ElectricalInstallation
14.4 Terminal assignment for cable gland -
process controller Type EP 501 C
→
First connect the process controller as described in chapter
„14.3 Terminal assignment for cable gland - positioner Type EP
501“ .
14.4.1 Terminal assignments of the process actual
value input
Input type* Terminal Configuration
On the
device side
External
circuit
4 ... 20 mA,
internally
supplied
actual value
1
+24 V Input
transmitter
1
2
3
GND
Trans-
mitter
GND
2
Output from
transmitter
3
Bridge to GND
(Terminal GMD from
operating voltage)
4
not used
GND
GND from operating
voltage
4 ... 20 mA,
externally
supplied
actual value
1
not used
2
Process
2
+ (4...20 mA)
3
Process actual –
3
GND
4
not used
Input type* Terminal Configuration
On the
device side
External
circuit
Frequency,
internally
supplied
actual value
1
+24 V sensor supply
1
+24 V
2
Clock input +
2
Clock +
3
not used
4
Clock input –
4
GND
GND from operating
voltage
GND
Clock –
(GND)
Frequency,
externally
supplied
actual value
1
not used
2
Clock input +
2
Clock +
3
not used
4
Clock input –
4
Clock –
Pt 100
see infor-
mation**
actual value
1
not used
2
3
4
Pt 100
2
Process actual 1
(Power supply)
3
Process actual 3
(GND)
4
Process actual 2
(Compensation)
*
Can be adjusted via software
(see Operating Instructions,chapter „Specifying the standard settings“).
Tab. 8: Terminal assignments of the process actual value input
** Connect the Pt 100 sensor via 3 cables for cable com-
pensation reasons.
It is essential to bridge Pin 3 and Pin 4 on the sensor.
english
Type EP 501
Summary of Contents for EP 501
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