Hach 900 MAX manual Alarm Relays Connection, Section, Relay Connector J17, Relay Pin Connections

Models: 900 MAX

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6.4.1 Alarm Relays Connection

Section 6

6.4.1 Alarm Relays Connection

Table 17 Relay Connector (J17)

Pin

Signal Description

Wire Color

 

 

 

A

+12 V dc

Red

 

 

 

B

Relay #1

Yellow

 

 

 

C

Relay #2

Black

 

 

 

D

Relay #3

Red

 

 

 

E

Relay #4

Green

 

 

 

Figure 26 Relay Pin Connections

 

Table 18 Relays

 

 

 

Connector

 

Relay

 

 

 

J2

 

1

 

 

 

J3

 

2

 

 

 

J4

 

3

 

 

 

J5

 

4

 

 

 

Relay Junction Box

Required relay box is an alarm relay box assembly with a 10-ft long cable with a 6-pin connector on one end and a relay box on the other end (Figure 27).

1.Choose Normally Closed (NC) or Normally Open (NO) connections.

2.Connect one wire to the common (COM) and the other to the connector with the preferred signal.

Page 90

 

Alarm Relays

8990cm.fm

Page 92
Image 92
Hach 900 MAX manual Alarm Relays Connection, Section, Relay Connector J17, Relay Pin Connections, Relay Junction Box