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Remote automatic mode – Cla-Val 393-01/3693-01 User Manual

Page 30

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8

Remote Automatic Mode

Using external PV and external
power supply to power 4-20 mA loop

Power Supply

Process Variable

Loop Isolator
(recommended)

420 mA Pv input +

Isolated +24 VDC

Ground to green
screw in floor
of housing

G

N

L

TB1

1

2

3

4

5

6

7

8

9

10

1

2
3

4
5
6

7
8

9

10

TB3

Isolated 420 mA Transmitter -

Isolated 420 mA Transmitter +

Load

Power Supply

+

Remote Setpoint

+

Loop Isolator

Optional external
switch to stop
actuator rotation

1. Remote setpoint must be isolated and powered from ecternal source.

2. PV retransmission requires an external power supply within 12 to 36 VDC.
Maximum load = (Power supply VDC - 8 VDC) / .020A.

240AC 120AC

1

2

TB2

120/240 AC Input

TB4

1

2

3

4

5

6

7

8

9

10

11

12

Isolated Common

420 mA PV input —

+

-

+

-

3. A switch may be placed between terminals 9 and 10 on TB3 to interrupt actuator
travel. Contact between 9 and 10 will stop actuator movement.
DO NOT POWER.