Detcon PI-600 Bedienungsanleitung PDF herunterladen (Seite 16)

3.4.4 Installation Procedure

) Securely mount the sensor junction box in accordance with recommended practice. See dimensional drawing (Fig. 2).

b) Remove the junction box cover and un-plug the control circuit by grasping the two thumb screws and pulling out-

ward.

c) Observing correct polarity, terminate 3 conductor field wiring, RS-485 wiring, and applicable alarm wiring to the sensor

base connector board in accordance with the detail shown in Figure 3. Normally open and normally closed Form C dry

contacts (rated 5 amp @ 150VAC; 5 amp @ 30VDC) are provided for Fault, Alarm 1, and Alarm 2.

Note:

Per U.L. approval, these relays may only be used in connecting to devices that are powered by the

same

volt-

ages.

d) Position gold plated jumper tabs located on the connector board in accordance with desired Form C dry contact

outputs: NO = Normally Open; NC = Normally closed (see figure 3).

PI-600 Toxic Gas Sensors PG.16

ALARM 1

WHT

BLK

YEL

BLU

VDC Power In

NO/NC

COM

NO/NC

COM

NO/NC

COM

FAULT ALM-2 ALM-1

Alarm Dry Contacts

ALARM 2

FAULT

4-20 mA Output

RS-485 In

RS-485 Out

Optional 4-20 mA

Signal Developing Resistor

Use 250 ohm 1/4w

JUMPERS

UN-USED

Jumper Programmable Alarm Outputs

Normally Open or Normally Closed

Sensor

Place un-used alarm programming

jumper tabs here

Figure 3

4 3/4"

3/4" NPT

1/4" Dia.

Mounting Holes

7 1/4"

6 1/8"

5 1/2"

3/4" NPT

Rain

Shield

2 1/8"

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 36 37

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