EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manuale delle Istruzioni Scaricare il pdf (Pagina 8)

3

3 ELECTRICAL CONNECTIONS

3.1 Connection Diagram

ENSURE electrical mains is disconnected before proceeding.

Signal OutputHold Input

Alarm

Relay B

Relay A

Power Mains

pH

mA

-

+

PE/S

PE

AC:

NL

1

2

5

4

3

6

78 9

10

11

12 13

14

15

17

15

16

*

)

indicated contact positions are for currentless conditions

Pt 100

Potential Matching Pin (PMP)

Signal Input pH/ORP

S/

V

PE/S

pH

18 19 20

21 22

S/S/

BNC

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 41 42

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