ISHIDA DACS-W User manual

CHECKWEIGHER
DACS-W
OPERATION MANUAL
No. DAC-146-E
• Do not carry out installation, operation, service, or
maintenance until thoroughly understanding the contents of
this manual.
• Keep this manual available at all times for installation,
operation, service, and maintenance.

You can help improve this manual by calling attention to errors and by
recommending improvements.
Please convey your comments to the nearest Ishida Company regional
representative.
Copyright (c) 2001 by Ishida Co.,Ltd. All Rights Reserved.
No part of this manual may be reproduced in any form, by photocopy
or any other means, without permission in writing from the publisher.
Thank you!

IMPORTANT CONSIDERATIONS
(1)
IMPORTANT CONSIDERATIONS
1. Due to recent developmentsin the weighing industry, such as new materials processing methods and
increased production speeds, the hidden hazards involved with handling weighing equipment have
multiplied.
It is impossible to enumerate or predict all of the possible dangers of using this equipment. Likewise,
there are far too many operations which cannot or should not be performed to fully list all of them in
an operation manual. Please assume that any operations not specifically described should never be
performed.
Safety countermeasure should be carefully considered and implemented before performing any
operation, service or maintenance procedures not specifically described in this manual or indicated
on the machine itself.
2. The copyright for the material in this document is held by Ishida Company Ltd. Accordingly, any
disclosure to third parties or unauthorized copying of the diagrams or technical information
contained herein is not permitted.
3. Any questions or inquiries for additional information should be directed to Ishida Company, Ltd. or
its local distributor/representative.
Operators and other personnel who handle this equipment must be
aware of the hazards involved. These dangers may not be obvious, so
that it is imperative to follow the instructions detailed in this manual
when operating the machine or performing servicing, maintenance
inspection, etc. For this, be sure to read and understand the contents
of this manual thoroughly before proceeding.
Ishida Company, Ltd. does not accept responsibility for any damage,
loss or injuries which result from incorrect operation, insufficient
caution, unauthorized modifications to the equipment, or failure to
follow the instructions contained in this manual.

WARRANTY CONDITIONS
(2)
WARRANTY CONDITIONS
1. IshidaCo.,Ltd. onlyassumesresponsibilityforrepairingorreplacingcomponentswhicharedeemed
to be defective due to improper design or manufacturing.
The measures to be taken fordefects whose origin is unclear shall be decided by mutual consultation
between both parties.
2. Ishida assumes no responsibility for loss, injury or damage which are the result of unauthorized or
unforeseen operational procedures.

MANUAL OBJECTIVES AND STRUCTURE
(3)
MANUAL OBJECTIVES AND STRUCTURE
This manual is designed to provide users with information on operation, maintenance and inspection
procedures of the Ishida checkweigher.
The following information is contained in this manual.
1. Safety Considerations
Be sure to read and understand all information related to safety contained in this manual before
attempting to operate, inspect or service this equipment.
This information is designed to instruct persons who own, install, operate, service or inspect this
equipment on the warning symbols, precautions which must be observed, and the meanings of
warning etc. labels attached to the machine.
2. Introduction
Describes special terminology, installation specifications, configuration and an operation outline.
3. Installation
This chapter provides information on the correct methods of installing the weigher.
4. Remote Control Unit
Describes the components and functions of the operation panel unit (RCU).
5. Normal Operations and Functions
Provides the procedures for entering machine settings and operating the unit.
6. Production
This chapter provides an outline of operations, emergency stop procedures, pre-operation
preparation and the end production sequence.
7. Cleanup Procedures
Describes machine cleaning procedures for each unit.
8. Additional Functions
Describes the Installation Engineer level procedures not normally used during daily production.

MANUAL OBJECTIVES AND STRUCTURE
(4)
9. Periodic Maintenance
Describes the maintenance and inspection procedures required to keep the weighing function in
optimum condition.
10.Troubleshooting
This chapter describes the causes and countermeasures for machine malfunctions.

DACS-W INSTRUCTION MANUAL
i
Table of Contents
GENERAL TABLE OF CONTENTS
1 SAFETY
1.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 Warning Indications: Types and Definitions . . . . . . . . . . . . . . . . . . . . . . 1-2
1.3 General Precautions to be Observed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.4 Special Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.5 Warning Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.5.1 Warning Label Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.5.2 Warning Label Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.6 Drive Power Shutdown and Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
2 INTRODUCTION
2.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 Model Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.4 Main Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.5 Unit Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.6 Operation Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
3 INSTALLATION
3.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 Installation Location & Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3 Power Source Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
4 REMOTE CONTROL UNIT
4.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 Operation Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.3 Key Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

DACS-W INSTRUCTION MANUAL
ii
4.4 Indicator Lamp Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
5 NORMAL OPERATIONS & FUNCTIONS
5.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 Data Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.2.1 Data Entry Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.2.2 Correction after Data Entry and Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.3 Operational Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.4 Access Level Change. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.4.1 Changing to the Operator Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.4.2 Changing to the Site Engineer Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
5.5 Operator Level Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.5.1 Zero Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.5.2 Preset Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.5.3 Changing the Access Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.5.4 Data Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5.5.5 Print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5.5.5.1 Clear Batch Totals and Clear All Totals . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5.5.5.2 Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
5.5.5.3 Print Sample . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
5.6 Site Engineer Level Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
5.6.1 Preset Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
5.6.1.1 Reference Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
5.6.1.2 Upper Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5.6.1.3 Lower Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5.6.1.4 Product Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
5.6.1.5 Product Name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
5.6.1.6 Product Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
5.6.1.7 Timing Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
5.6.1.8 Over Weight Accept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
5.6.1.9 Metal Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22
5.6.1.10Preset Tare. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
5.6.1.11Dynamic Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
5.6.1.12Continuous N/G Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25
5.6.2 Statistics and Print Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
5.6.2.1 Total Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-26
5.6.2.2 Auto Printout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-27
5.6.2.3 Batch Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
5.6.2.4 Batch Column Auto Printout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
5.6.2.5 Batch: Total Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
5.6.2.6 Batch: Total Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
5.6.2.7 Auto Lots Total Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-30
5.6.3 Span Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-31

DACS-W INSTRUCTION MANUAL
iii
6 PRODUCTION
6.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 Emergency Stop & Restart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6.3 Outline of Production Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6.4 Pre-Production Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6.5 Checkweigher Production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6.5.1 Preset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
6.5.2 Production Start and Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
6.6 End Production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
7 CLEANUP PROCEDURES
7.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.2 RCU Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
7.3 Weigh and Infeed Conveyor Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
8 ADDITIONAL FUNCTIONS
8.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.2 Installation Engineer Level Functional Configuration. . . . . . . . . . . . . . . 8-2
8.3 Changing to the Installation Engineer Level . . . . . . . . . . . . . . . . . . . . . . 8-7
8.4 Installation Engineer Level Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8.4.1 Span Adjustment Print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8.4.2 Rejector Direction Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8.4.2.1 Proper Weight Reject Direction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8.4.2.2 Over Weight Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
8.4.2.3 Under Weight Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8.4.2.4 Metal Detect Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8.4.2.5 External 1 Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
8.4.2.6 External 2 Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
8.4.2.7 Zero Error Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
8.4.2.8 Double Item Reject Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
8.4.2.9 Proper Weight Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8.4.2.10Over Weight Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8.4.2.11Under Weight Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
8.4.2.12Metal Detection Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15
8.4.2.13External 1 Output Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15
8.4.2.14External 2 Output Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
8.4.2.15Zero Error Output Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17
8.4.2.16Double Item Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17
8.4.2.17Output Signal 1 ON Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
8.4.2.18Output Signal 2 ON Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
8.4.2.19Output Signal 3 ON Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19

DACS-W INSTRUCTION MANUAL
iv
8.4.2.20Output Signal 4 ON Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19
8.4.2.21Reject Buzzer ON Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19
8.4.2.22Continuous N/G Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
8.4.2.23Continuous N/G Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
8.4.3 System Configuration Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
8.4.3.1 Weight Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
8.4.3.2 Metal Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
8.4.3.3 Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23
8.4.3.4 Reject Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23
8.4.3.5 Tare Subtraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24
8.4.3.6 Dynamic Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24
8.4.3.7 Preset Number Memorize. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
8.4.3.8 Gap Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
8.4.4 Preset Copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
8.4.5 Date and Time Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26
8.4.5.1 Date Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27
8.4.5.2 Time Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27
8.4.6 Password Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-28
8.4.6.1 Site Engineer Level (Level 1) Password Setting. . . . . . . . . . . . . . . . . . . . 8-28
8.4.6.2 Installation Engineer Level (Level 2) Password Setting . . . . . . . . . . . . . . 8-29
9 PERIODIC MAINTENANCE
9.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.2 Daily Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.2.1 Pre-Startup Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.2.2 Inspection during Production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.3 Periodic Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.4 Maintenance and Inspection Procedures. . . . . . . . . . . . . . . . . . . . . . . . . 9-3
9.4.1 Printer Paper Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
9.4.2 Belt Tension Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
9.4.3 Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
9.4.4 Replacing Battery for Memory Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
10 TROUBLESHOOTING
10.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.2 Error Message Handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.3 Equipment Malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
11 OPTION
11.1 DIRECT FEEDBACK CONTROL(PULSE SIGNAL) . . . . . . . . . . . . . . . . . 11-1
11.1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.1.2 Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11.1.3 Preset Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11.1.3.1FBC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2

DACS-W INSTRUCTION MANUAL
v
11.1.3.2Control Pulse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
11.1.3.3FBC Target Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
11.1.3.4Sample Range + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
11.1.3.5Sample Range - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
11.1.3.6FBC Unused Range +. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
11.1.3.7FBC Unused Range - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5
11.1.3.8Sample Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5
11.1.3.9Sample Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5
11.1.3.10FB% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
11.1.3.11Overrun Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
11.1.4 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
11.1.5 Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7
11.2 INDIRECT FEEDBACK CONTROL(TREND OUTPUT). . . . . . . . . . . . . . . 11-7
11.2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7
11.2.2 Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
11.2.3 Preset Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9
11.2.3.1FBC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-9
11.2.3.2FBC Target Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-10
11.2.3.3Sample Range + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-10
11.2.3.4Sample Range - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
11.2.3.5FBC Unused Range +. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
11.2.3.6FBC Unused Range - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
11.2.3.7Sample Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
11.2.3.8Sample Interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
11.2.3.9Trend Signal ON Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
11.2.4 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.2.5 Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.3 FLOATING REF. WT. REVISION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.3.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
11.3.2 Preset Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
11.3.2.1Ref. Wt. Rev. Upper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
11.3.2.2Ref. Wt. Rev. Lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
11.3.2.3Ref. Wt. Rev. Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
11.3.2.4Ref. Wt. Rev. Alarm U.L.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-16
11.3.2.5Ref. Wt. Rev. Alarm L.L. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-16
11.3.3 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-16
11.4 INDIRECT FEEDBACK CONTROL(PULSE OUTPUT) . . . . . . . . . . . . . . 11-17
11.4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-17
11.4.2 Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-18
11.4.3 Preset Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-19
11.4.3.1FBC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-19
11.4.3.2FBC Target Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-20
11.4.3.3Sample Range + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-20
11.4.3.4Sample Range - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-21
11.4.3.5FBC Unused Range +. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-21
11.4.3.6FBC Unused Range - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-21
11.4.3.7Sample Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-22
11.4.3.8Sample Interval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-22
11.4.3.9FB% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-22
11.4.3.10Control Pulse freq . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-23

DACS-W INSTRUCTION MANUAL
vi
11.4.4 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-23
11.4.5 Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-23
11.5 METAL DETECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-24
11.5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-24
11.5.2 Preset Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-24
11.6 WEIGHING ZONES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-25
11.6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-25
11.6.2 Preset Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-25
11.6.2.1Ok-Upper Limit +. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-25
11.6.2.2Ok-Lower Limit - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-26
11.6.3 Reject Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-26
11.6.3.1Ok-Over Wt. Rej. Dir. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-26
11.6.3.2Ok-Under Wt. Rej. Dir. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-27
11.6.3.3Ok-Over Wt. Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-27
11.6.3.4Ok-Under Wt. Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-28
11.6.4 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-28







1 SAFETY
1.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 Warning Indications: Types and Definitions . . . . . 1-2
1.3 General Precautions to be Observed . . . . . . . . . . . 1-3
1.4 Special Safety Precautions . . . . . . . . . . . . . . . . . . . 1-5
1.5 Warning Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.5.1 Warning Label Handling . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.5.2 Warning Label Location. . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.6 Drive Power Shutdown and Indication . . . . . . . . . . 1-7

DACS-W Operation Manual 1 SAFETY
1-1
1 SAFETY
1.1 Summary
The information in this chapter is designed to instruct persons who own, install, operate, service or
inspect this equipment on warning symbols, precautions which must be observed, and explanation of
warning labels attached to the machine.
•
••
•Before attempting to perform any operation,maintenance or inspection of this
equipment, it is imperative to read and understand the instructions in this
manual and to carefully observe all safety precautions and warnings
contained herein.
•
••
•If there are any unclear points or questions concerning the information
contained in this manual, please contact Ishida installation personnel or your
nearest Ishida representative before proceeding.

1 SAFETY DACS-W Operation Manual
1-2
1.2 Warning Indications: Types and Definitions
The warning indications contained in this manual, as well the indications on the labels attached to the
machine, are ranked into three categories according to the level of hazard involved.
It is important that these indications be fully understood and complied with.
Table 1-1 Warning Indications
INDICATION EXPLANATION
If this hazard is not avoided, death or serious injury will probably result.
This indicates a clear and immediate danger, and extreme caution must be exercised to prevent
a mishap.
If this hazard is not avoided, there is a possibility of death or injury resulting.
If this hazard is not avoided, there is a possibility that light or moderate injury may result. It
may also indicate that a possibility of damage to equipment exists.
Used to emphasize or clarify an important point in the manual.

DACS-W Operation Manual 1 SAFETY
1-3
1.3 General Precautions to be Observed
This section describes the general safety precautions which must be observed when handling this
equipment.
•All electrical work for the installation site must be performed by licensed electrical contractors.
•All maintenance and inspection work involving electrical components must be performed by
qualified maintenance personnel.
Electrical shock or equipment malfunction may result if unqualified personnel are permitted to
perform maintenance or inspection of electrical components.
•Keep sufficient area around the equipment for operation or maintenance.
•Never touch any electrical switches or buttons with wet or damp hands. Electrical shock may occur
when the equipment is not properly grounded or when there is electrical leakage.
•Personnel with long hair using this equipment should tie up their hair securely andall personnel must
wear a cap or hat as well as clothes and shoes suitable for the production environment.
Unbound long hair or inappropriate clothing may become caught in moving parts, and injuries may
result.
•Before starting operation of the equipment, make sure that all covers are securely shut and fastened.
•To avoid injury, do not touch any moving parts during operation.
•During operation, do not remove the rear cover. There is the possibility of electrical shock.
•Before performing any maintenance or inspection work which is not specifically indicated in this
manual, shut off and lock the main power switch.
The person performing the maintenance should keep the key in his possession while performing the
work.
Injury or electrical shock may result if the equipment is turned on by another person while
maintenance ,etc. work is being performed.
•Turn off the main power switch then wait at least 3 minutes before performing any maintenance or
inspection work on the equipment. Residual charge may remain in the machine even after the power
has been turned off.
Also, turn off the power of any upstream/downstream units which are connected or adjacent to the
equipment,otherwise there is a danger of electrical shock.
•If maintenance or inspection work is to be performed with the main power switch ON, clearly
indicate this situation by posting a sign in the work area. This is to prevent other personnel from
accidentally starting up the equipment.
•When performing maintenance and inspection work on the upper part of the weigher, use a sturdy
ladder or foothold to avoid a hazardous fall.
•Do not use the same outlet as this equipment.
This may cause a fire.

1 SAFETY DACS-W Operation Manual
1-4
•Make sure to use the power supply specified in the checkweigher specification sheet or plate.
If incorrect power supply is used, equipment damage may result.
•Do not apply excessive pressure to the power cord by placing this equipment or any objects on it.
There is possibility of power cord disconnected.
•Do not power off the checkweigher during production except when emergency stop is required
because the setting or statistics data may break.
•Do not run the equipment with any tools or other objects placed on top of the machine. If objects fall
into moving parts, damage to equipment may result.
•Use finger to press the display keys on the operation panel. Using a ball-point pen or other pointed
object can damage the operation panel.

DACS-W Operation Manual 1 SAFETY
1-5
1.4 Special Safety Precautions
This section describes special safety precautions for this equipment which, in addition to the previously
mentioned precautions, should be carefully observed.
•Before cleaning the equipment, shut off and lock the main power switch.
The person performing the cleaning should keep the key in his possession while cleaning.
•Install this equipment in a location fulfilling the following conditions:
Ambient temperature range: 0-40 °C
Ambient Humidity: 35-85 % (no condensation)
A hard horizontal surface with minimum vibration
•Do not use the same power source for devices which may emit noise. Doing so may result in
malfunction or damage.
•Do not place near wireless or other equipment emitting electronic waves. This may result in
malfunction or damage.
•Do not install wiring which permits load-related power fluctuations of more than ±10%.
Overload may result in malfunction or damage.
•Beforeattemptingtoshiftthisequipment,contactthedistributorwheretheequipmentwas purchased
or Ishida Service representative.
•Do not apply excessive load to the weigh hoppers. Doing so may damage the weigh mechanism.
•When cleaning, be sure to rinse only the areas indicated. Otherwise, damage or malfunction may
result.
For areas not indicated as washable, clean by wiping with a dry cloth.
•Do not apply insecticide or other foreign substances inside the main body, terminal boxes, motor
boxes, or other enclosed weigher compartments. Doing so may cause machine malfunction or
damage.

1 SAFETY DACS-W Operation Manual
1-6
1.5 Warning Labels
Warning labels which indicate points requiring particular caution are attached to the weigher at certain
locations. Please take sufficient time to familiarize yourself thoroughly with the meanings and positions
of these labels.
1.5.1 Warning Label Handling
•First verify that all the warning labels are clearly legible. If the label text or graphic is difficult to
read, clean or replace the label.
•Clean labels with water and neutral cleanser.
Do not use organic solvents or gasoline.
•Labels must be replaced if they are damaged, peeled or illegible.
For this, please contact your local Ishida Service representative.
1.5.2 Warning Label Location
The diagram below shows the location of the warning label.
Figure 1-1 Warning Label Location