4-20 Ma Loop Installation; Connect The Transmitter; Alarm Output(S) - Honeywell ToxyPoint User Manual

Introduction

4-20 mA Loop Installation

4-20 mA Loop Installation
Cable Routing:
Power Supply:
Recommend:
Important:
Polarity must be observed. If the RETURN and +24volt wires
CAUTION
are reversed the ToxyPoint transmitter will not work.

Connect the Transmitter

See the wiring diagrams on the previous page and labeled terminals.
4-20 mA: Connect Return 4-20mA signal
+24 VDC: (+) positive (10-28 volts) to the supply terminal

Alarm Output(s)

ToxyPoint is equipped with two (2) alarm outputs O/P1 and O/P2, rated
at 0.25 A each. The alarm outputs can be slaved out to a higher
amperage rated relay and used to trigger other alarm accessories.
They can also be used to trigger audible/visual DC alarm accessories
direct. The alarm output setpoints are precalibrated at the factory.
18
Separate cables are required for each ToxyPoint.
Ensure power supply meets the minimum
requirements of all components of your system (i.e.
monitors, alarms, relays, fans, etc.)
Honeywell recommends that the power supply be
regulated.
Supply voltage to be 24 V nominal. Fluctuations not
to exceed 28 VDC or go below 10 VDC.
ToxyPoint User Manual
Honeywell
511407
6/07