Honeywell 5704 Operating Instructions Manual page 98

MAN0448_Issue 13_01-2010
005704-M-5001 A03249
CHAPTER 4 - INSTAllATION INSTRUCTIONS
Searchpoint Optima Plus
Configured for current
source
Earth
Terminal
Terminal
Block
Junction
Box
SHC1
-
Green/yellow - Ground
Black - 0V DC Supply
White - 4 - 20mA Output
Red - +24V Supply
Blue
Orange link to SHC1
Notes: 1. Where a sensor is earthed locally, either to an Earth Stud or
through the sensor casing or mounting, to avoid earth loops
the screen sheath of the cable should only be connected at
one end.
2. The above diagram shows the sensor connections for Channel
1. Channels 2, 3 and 4 connections are similar and their pin
connection numbers are shown below:
Quad Relay
Interface Connections
Three Wire Control Card Current Sink, Transmitter Current
Source Connection for Searchpoint Optima Plus
Quad Relay Interface Card
Arrows Indicate
Direction of loop
Current Flow
+24V
4 - 20mA (-)
0V
GND
Screened Cable
Communications
Channel
1
2
3
4
(Signal Returned to 0V)
4-35
5704 Control System
05704-A-0121
+24V*
01
17
NS
19
0V*
Protective
Earth
Cabinet
* 24V supply may be obtained
from either the cabinet or a
separate field supply
Sensor Connection
01 NS
17 19
18 20
23 25
24 26