Honeywell ST 3000 Installation Guide

2.4 Changing Default Failsafe Direction, Continued
Procedure, continued
Table 4 Cutting Failsafe Direction Jumper
Step Action
1
With transmitter on bench and no power applied. Loosen end-cap
lock and unscrew end cap from electronics side of transmitter
housing.
2
• If applicable, unsnap Local Smart Meter from PWA mounting
bracket and unplug cable from connector on back of meter
assembly.
• Loosen two retaining screws and carefully pull mounting bracket
and PWA from housing.
• Using retaining clip remove flex-tape connector from PWA.
• Remove 2-wire power connector from PWA, and then remove
PWA and mounting bracket assembly.
3
With component side of PWA facing you, locate failsafe jumper W1
and cut it in half with small wire cutter such as dykes. See Figure 2.
This changes failsafe action from upscale to downscale.
4
Reverse applicable previous steps to replace PWA.
6
Turn ON transmitter power.
Figure 2 Location of Failsafe Direction Jumper on PWA.
Failsafe
Direction
Jumper
Power
Connector
Meter
Connector
14 ST 3000 Release 300 Installation Guide 2/05

Honeywell ST 3000 Specifications

General

Manufacturer	Honeywell
Category	Transmitter
Stability	±0.01% of URL per year
Operating Temperature	-40 to 85°C (-40 to 185°F)
Communication Protocol	HART
Housing Material	Aluminum or Stainless Steel
Enclosure Rating	IP66/67, NEMA 4X
Measurement Type	Gauge, Absolute, Differential
Output Signal	4-20 mA, HART
Process Temperature	-40 to 121°C (-40 to 250°F)
Hazardous Area Approvals	FM, CSA, ATEX, IECEx
Process Connection	1/2" NPT
Material	316L Stainless Steel, Hastelloy C