Use Of The Shc1 Handheld Interrogator; Introduction; Shc1 Connection - Honeywell Searchpoint Optima Plus Operating Instructions Manual

MAN0905_Issue 7_07/17

8. Use of the SHC1 Handheld Interrogator

Read this chapter if the SHC1 Handheld Interrogator is being used to communicate
with Searchpoint Optima Plus.

8.1 Introduction

This chapter explains how to connect the SHC1 Handheld Interrogator to the Searchpoint Optima Plus and
how to operate it. It also provides the menu structure for use with Searchpoint Optima Plus.
The SHC1 Handheld Interrogator is a portable, intrinsically safe device which can be used to calibrate, test
and commission all of Honeywell Analytics Searchpoint and Searchline optical gas detection products.
The SHC1 Handheld Interrogator uses the detector's communications link.
Note: The SHC1 Handheld Interrogator does not read the HART
Note: The HART communication takes precedence over the RS485 communication used by the SHC1
®
Handheld Interrogator. If the Searchpoint Optima Plus is being polled simultaneously by a HART
temporary communication errors may be experienced by the SHC1 Handheld Interrogator.

8.2 SHC1 Connection

Do not attempt to connect the SHC1 Handheld Interrogator directly to Searchpoint Optima Plus.
Always use a DVC100 series termination unit, or the SHC Protection Device.
Connect the SHC1 Handheld Interrogator to the gas detector in one of the following ways:
1. With a Honeywell Analytics DVC100 Junction Box, connect the Interrogator directly to the junction box
via the IS socket.
2. With any other type of junction box use the SHC Protection Device (also see Section 4 Electrical
Installation).
Searchpoint Optima Plus with optional HART
communications.
®
WARNING
35
Operating Instructions
Calibrator
Type SHC1
ESC
output
®
2108M0550
host,
®