26
Typ EP 501
Description of System
10.
INTERFACES OF THE POSITIONER /
PROCESS CONTROLLER
Inputs for position or
process set-point value
4 – 20 mA
0 – 20 mA
0 – 10 V
0 – 5 V
Input for process
actual value*
4 – 20 mA
frequency
Pt 100
Binary input
24 V DC
Positioner /
Process controller
2 binary outputs
24 V PNP
Initiator 1 / Initiator 2
24 V PNP NO
Analogue feedback
4 – 20 mA
0 – 10 V
Inputs
Outputs
Supply
Operation
Note:
Optional inputs and outputs are illustrated by dotted lines
Figure 7:
Interfaces of the positioner / process controller
The Types EP 501 and EP 501 C are 3-wire devices, i.e. the power (24 V DC) is supplied separately from
the set-point value signal.
*
only for process controller Type EP 501 C
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