About This Manual; Introduction; Operating Modes - Rice Lake 520 Installation Manual

About This Manual

This manual is intended for use by service technicians
responsible for installing and servicing 520 digital
weight indicators.
This manual applies to indicators using Version 1.0 of
the 520 software.
Configuration and calibration of the indicator can be
accomplished using the indicator front panel keys, the
EDP command set, or Version 2.7 or later of the
™
Revolution configuration utility. See Section 3.1 on
page 14 for information about configuration methods.
1.0

Introduction

The 520 is a single-channel digital weight indicator
housed in a panel mount enclosure that can be sealed
to a NEMA 4X/IP65 rating or NEMA 4X/IP66-rated
desktop stainless steel enclosure. The indicator front
panel consists of a 5-button keypad with a large,
seven-digit, 14-segment, vacuum fluorescent display,
two-character dot-matrix annunciator field, and a
sixteen-character dot-matrix prompt field. Features
include:
• Drives up to eight 350 Ω or sixteen 700 Ω load
cells
• Supports 4- and 6-wire load cell connections
• Three configurable digital inputs
• Four digital outputs
• Electronic data processing (EDP) port for full
duplex RS-232 or RS-485 communications at
up to 19200 bps
• Printer port for full duplex RS-232 and
simplex 20 mA current loop communications
at up to 19200 bps
• Optional analog output module provides 0–10
VDC or 0–20 mA tracking of gross or net
weight values
• Optional DeviceNet
c o m m u n c i a t i o n s
Allen-Bradley ® controllers.
• Optional Remote
communication with Allen-Bradley PLC
SLC ™ controllers
• Optional interface for Profibus
communications with Sieman
• Available in 115 VAC and 230 VAC versions
® ®
1. Allen-Bradley , PLC , and SLC
Company, Inc., a Rockwell International company.
®
2. Profibus is a registered trademark of Profibus International.
interface
n e t w o r k w i t h
I/O Interface
®
1
® DP network
® controllers
™
are trademarks of Allen-Bradley
Some procedures described in this
Warning
manual require work inside the indicator
enclosure. These procedures are to be
performed by qualified service personnel
only.
Authorized distributors and their employees
can view or download this manual from the
Rice Lake Weighing Systems distributor
site at www.rlws.com
The Operator Card included with this manual
provides basic operating instructions for users of the
520. Please leave the Operator Card with the indicator
when installation and configuration are complete.
1.1

Operating Modes

The 520 has three modes of operation:
Normal mode
Normal mode is the weighing mode of the
indicator. The indicator displays gross or net
weights as required, using the secondary display
to indicate scale status and the type of weight
value displayed.
Setup mode
Most of the procedures described in this manual
require the indicator to be in setup mode,
including configuration and calibration.
To enter setup mode, remove the large fillister
head screw from the enclosure backplate. Insert a
screwdriver or a similar tool into the access hole
and press the setup switch once. The indicator
display changes to show the word
Test mode
Test mode provides a number of diagnostic
functions for the 520 indicator. Like setup mode,
test mode is entered using the setup switch. See
Section 13.13 on page 79 for more information
about entering and using test mode.
for
for
and
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.
.
CONFIG
Introduction 1