User Manual

4050 Multi-Input Linear Flow Computer

12. MANIFOLD SYSTEM INSTALLATION EXAMPLE

(S) Slot –(V) Valve (R ) Relay (P) Pins

Truth Table for Relays

Relays are dry outputs with open (o) or closed (c) states, which can be used to switch valves etc.

CONDITION

RELAY 1 RELAY 2 RELAY 3

No power to unit O O O

Power On No Flow C C O

Low Flow C C O

1 to 2 trip point (Flow at 2) O C O

2 to 3 trip point (Flow at 3) O O O

3 to 2 trip point O C O

2 to 1 trip point C C O

RTD

S1/P 11

S 1/ P7,8,9

S 1/P 3,4,5

Relay2

S3/ P 3

Relay 1

S3/ Pins 1

S 2

P 5

Flow

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