Rice Lake 120 Plus Digital Weight Indicator - Manual (Page 5)

Introduction 1
1.0 Introduction
This manual is intended for use by service technicians responsible for installing and servicing 120 Plus digital
weight indicators. This manual applies to indicators using Version 1.07 of the 120 software.
This manual can be viewed and downloaded from the Rice Lake Weighing Systems web site at
www.ricelake.com .
1.1 Overview
The 120 Plus weight indicator is a precision digital weight indicator that takes portability to a new level. The
feature of running on a rechargeable battery pack allows the 120 Plus to operate anywhere.
The indicator front panel consists of six bright, 7-segment LCD digits and a set of keys. The prominent features of
the 120 Plus include:
• Large 0.82", six-digit LCD display
• Powered by a rechargeable battery for portability or wall adaptor
• Charge circuit inside
• Drives up to four 350 ohm or eight 700 ohm load cells
• Supports 4- to 6-wire load cell connections
• EDP Port; full duplex, RS-232 communications at up to 38400 bps
• Printer port for output only RS-232 and 20 mA current loop communications at up to 9600 bps
• One 500 character print ticket format
1.2 Safety
Safety Symbol Definitions
Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death, and
includes hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate injury.
Indicates information about procedures that, if not observed, could result in damage to equipment or
corruption to and loss of data.
Safety Precautions
Do not operate or work on this equipment unless you have read and understand the instructions and
warnings in this manual. Failure to follow the instructions or heed the warnings could result in injury or
death. Contact any Rice Lake Weighing Systems dealer for replacement manuals. Proper care is your
responsibility.
General Safety
Failure to heed may result in serious injury or death.
Some procedures described in this manual require work inside the indicator enclosure. These procedures are to be
performed by qualified service personnel only.
DO NOT allow minors (children) or inexperienced persons to operate this unit.
DO NOT operate without the enclosure completely assembled.
DO NOT use for purposes other than weight taking.
DO NOT place fingers into slots or possible pinch points.
DO NOT use this product if any of the components are cracked.
DO NOT exceed the rated specification of the unit, see Section 9.17 on page 72.
DO NOT make alterations or modifications to the unit.
DO NOT remove or obscure warning labels.
DO NOT submerge.
Before opening the unit, ensure the power cord is disconnected from the outlet.
WARNING
CAUTION
Important
WARNING