Honeywell 5701 Operating Instructions Manual page 108

MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
Single Channel Control Card 4 - 20mA 05701-A-0301
Fitted with 4 - 20mA Sensor Drive 05701-A-0283
Note: 1. Where a sensor is earthed locally, either to the 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. ie. At the sensor or at the Interface/relay Card.
2. The Optima Plus analogue output is non isolated and is
factory configured as current sink or current source. The
actual configuration is identified by a label on the Optima
white 4 - 20mA output lead.
Three Wire Control Card Current Source, Transmitter Current Sink Connection for
Searchpoint Optima Plus (Signal Returned to Regulated +23V Supply)
4 - 45
5701 Control System
Link Positions
LK12
LK9
LK6
LK3
LK1