Vishay G4 Operating instructions

GB
G4 Multi Channel
Weighing Instrument
Program version 1.5.0.0
Operating instructions,
Quick installation
RM type

G4 Multi Channel Weighing Instrument
Contents
Introduction
General ............................................................. 1
Power supply ..................................................... 1
Start-up ............................................................. 2
Maintenance ..................................................... 2
Safety information ............................................. 2
Service panel
General ..............................................................3
Display ...............................................................3
Additional functions ............................................4
Operation
Zero indication and zero adjustment ..................5
Gross weight and net weight ..............................5
Taring .................................................................6
Editing Preset Tare ............................................7
Weight Printing ...................................................8
Level supervision ...............................................9
Accumulated Weights ......................................10
Flow display (program option) ..........................12
Scale Batching (program option) ......................13
Installation
Mechanical installation .....................................15
Electrical installation ........................................15
VIEWPAN module ............................................16
CPU unit ...........................................................17
WF IN, WF IN2 and HS WF2 ...........................18
Basic set-up
General ............................................................21
Hardware configuration ....................................21
Security lock .....................................................21
Common parameters .......................................22
Clock set-up .....................................................24
Scale calibration ...............................................25
Data sheet calibration ......................................28
Deadweight calibration .....................................31
Zeroing of gross weight ....................................36
Appendix 1
Common set-up values
Appendix 2
Scale set-up values

Operating instructions, Quick installation
PRECAUTIONS
READ this manual BEFORE operating or servicing this instrument.
FOLLOW these instructions carefully.
SAVE this manual for future reference.
WARNING
!Only permit qualified personnel to install and service this instrument.
Exercise care when making checks, tests and adjustments
that must be made with power on.
Failing to observe these precautions can result in bodily harm.
DO NOT allow untrained personnel to operate,
clean, inspect, maintain, service, or tamper with
this instrument.

G4 Multi Channel Weighing Instrument
Introduction
General
G4 is a high performance multi channel weighing instrument intended for industrial
systems. Its basic function is to convert the signals from strain gauge transducers
to useful weight information. Several types of communication interfaces are
supported by G4, which makes it easy to integrate the instrument into industrial
processes.
G4, type RM, is easily mounted on a DIN rail. All connections and the service
panel are accessible from the front end. By a LCD-display and four function keys
at the service panel, weight values are presented and parameter values can be
viewed and edited.
The basic configuration of the instrument performs weighing and flow rate
measurement. All functions are controlled by set-up parameters.
‘Operating instructions, Quick installation’ for G4 type RM includes basic installation
and set-up information, required for correct measuring with the instrument.
This description deals with the following points:
•Weighing with G4 type RM.
•Flow rate measurement (program option).
•Scale Batching (program option)
•Quick installation.
•Data sheet calibration.
•Deadweight calibration in two points.
Additional installation and set-up of more instrument functions, not covered by this
description, can also be performed, for example:
•Complete installation.
•Complete set-up.
•Setting of communication parameters.
•Table calibration.
•Level supervision.
•Program option activation.
For a complete instrument description, refer to:
G4 Multi Channel Weighing Instrument
Technical Manual
RM type
Power supply
Power supply to the weight indicator should not be turned off during weekends and
over-night. Continuous power supply to electronics and transducers prevents moisture
condensation in the units.
1

Operating instructions, Quick installation
Start-up
As soon as power is connected to the instrument, it will display 'Vishay' during a
start-up period, then the text ‘Start up, please wait’ is displayed after some seconds.
Then G4 automatically switches to normal measuring operation.
If the instrument is set for operator start-up, the text
‘Manual start. Push any key!’ will be shown until a key is pushed.
If a warm up time has been set, the text ‘Warming up Please wait!’
will be displayed before the instrument switches to measuring operation.
If any error is detected, the start-up stops and an error message will be displayed.
Maintenance
The G4 instrument needs no maintenance performed by the end-user. Any service
or repair work must be performed by qualified personnel. Contact your supplier.
Cleaning
Before cleaning the G4, break the power connection to the instrument.
Use a soft cloth to clean the exterior of the instrument.
Safety information
Utilization.
Before connecting power to the instrument, check that all fixation screws at the modules
are tightened so that the instruments functional grounding by the housing is maintained.
The instrument may only be utilized for the measurement and control functions, described
in the Technical Manual for G4 Multi Channel Weighing Instrument, RM type. It is
especially important to adhere to the load limits of the input/output connectors.
We accept no responsibility for any damage arising from improper operation.
Any changes to the instrument, which causes any function changes, may only be
carried out by the manufacturer, or after discussion with and permission by the
manufacturer.
Meaning of symbols, used in this manual
Direct current.
!Caution, risk of danger. Documentation needs to be consulted.
2

G4 Multi Channel Weighing Instrument
Service panel
General
The service panel VIEWPAN features a two-line, back lighted LCD-display and four
function keys. It can display the weight or flow value, or other selected information,
for one scale at a time.
It is also possible to connect a standard USB keyboard for PC to the USB connector
at the CPU module. The keyboard will work in parallel with the keys on VIEWPAN and
will make it easier to handle the configuration of the instrument, as it can be used as an
input for digits and characters.
The keyboard keys ' + ', ' – ', ' ↑' or 'Esc', and 'Enter' will correspond the VIEWPAN
keys ' + ', ' – ', ' ↑' , and ' ↵'.
Function key 'F11' on the keyboard can be used to access the 'Main Menu'.
Display
During measuring operation the function
keys + and – are used to toggle G4 RM
between display of measured values for
the scales in the instrument.
As G4 RM is in measuring operation
the top line shows a weight or flow value.
The bottom line, to the left, indicates
the actual scale number (S1:, S2: etc.),
and information about the measured value
(G=gross weight, N=net weight, M=motion,
Z=zero, Flow=flow display).
VIEWPAN module
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Operating instructions, Quick installation
Additional functions
During measuring operation the additional functions for a scale that are activated
in the parameter set-up can be displayed to the right on the bottom line.
Key ↑toggles the display of additional functions 'on' and 'off'.
As the additional functions are displayed, the keys + and – will perform
scrolling of the additional functions that are available for the scale.
Possible functions are: Tare, B/N, Print, Zero, Levels, Pre.Tare, W/F.
See explanations of the functions below.
As key ↵is pressed, the displayed additional function will be performed
and display of additional functions will be toggled 'off'.
Explanations of the additional functions
Tare: This function performs taring, which means storing of the actual gross weight
as auto tare value and switching over to display of net weight.
Net weight being the gross weight minus tare.
B/N: This function performs toggling between display of gross weight, indicated by G,
and net weight, indicated by N.
Net weight cannot be displayed if the tare value in use is zero.
Print: This function initiates a print out of the displayed weight value.
Zero: This function performs Zero adjustment, a zeroing that can be performed only if
the gross weight is displayed, stable, and close to the basic zero. Basic zero setting of
the gross weight must be performed in the calibration sequences.
Levels: This function gives the possibility to rapidly view and edit the switch-over value
for the Levels, assigned to the scale.
Function Levels can be used only if at least one of the 32 Levels is assigned for
the scale in sub menu Param. Set-up / Level Superv.
Pre.Tare: This function opens menu Preset Tare for the scale, where the value of
preset tare can be viewed and edited.
Preset Tare can be opened only for scales that have Tare Corr.Mode set to
Preset or Auto+Preset in the scale calibration.
W/F: This function performs toggling between display of the weight value and
and the calculated flow value. Flow display can be selected only if program option
'Flow rate' is activated and Flow Calc. is set to On in the scale calibration.
4

G4 Multi Channel Weighing Instrument
Operation
Zero indication and zero adjustment
A basic zero setting of the gross weight for unloaded scale is performed at installation
as a part of the calibration. When a ‘good zero’ is displayed, the letter ‘Z’ is shown
under the measurement value.
Minor correction of the zero value may be needed and can rapidly be performed.
Zero adjustment
If, for unloaded scale, the letter ‘Z’ is not shown, but the gross weight is close to zero, a
rapid zero adjustment can be performed.
The gross weight must be stable (letter ‘M’ not shown)
and the zeroing function must be enabled.
Press key ↑.
Additional functions for the scale will appear
to the right on the bottom line.
Use key + or – to scroll to the Additional function
'Zero'.
Press key ↵to perform zero adjustment.
Gross weight, adjusted to zero, is displayed.
000.2 kg
S1:G Zero
000.0 kg
S1:G Z
000.2 kg
S1:G
Zero adjustment can only be performed if the accumulated deviation from the basic
zero setting in the last calibration is within -1 % to +3 % of the ‘Capacity’.
In other cases a new basic zero setting must be executed.
Gross weight and net weight
The gross weight is the total weight loaded on the scale after zero setting.
When gross weight is displayed the letter 'G' is shown under the measurement value.
The net weight is the difference between the gross weight and a tare value.
When net weight is displayed the letter 'N' is shown under the measurement value.
Net weight can not be displayed if the tare value is zero.
Switch-over between display of gross weight and net weight can be performed if
parameter 'Gross/Net key' is set to 'On'. This makes the additional function 'B/N'
available for the scale.
5

Operating instructions, Quick installation
When gross weight is displayed the letter 'G' is shown
under the measurement value.
Press key ↑.
Additional functions for the scale will appear
to the right on the bottom line.
Use key + or – to scroll to 'B/N'.
Press key ↵to change to display of net weight.
143.2 kg
S1:G
143.2 kg
S1:G B/N
Note: If the tare value is zero, net weight cannot be displayed.
When net weight is displayed, the letter 'N' is shown
under the measurement value.
Press key ↑.
Additional functions for the scale will appear
to the right on the bottom line.
Use key + or – to scroll to 'B/N'.
Press key ↵to change to display of gross weight.
Gross weight is displayed.
103.2 kg
S1:N
103.2 kg
S1:N B/N
143.2 kg
S1:G
Taring
Taring means storing of a tare value for the scale. Net weight will be calculated as
the difference between the gross weight and this tare value. If the tare value is zero,
net weight will not be displayed.
At default setting, taring can always be performed if parameter 'Tare key' is set to 'On'.
This makes the additional function 'Tare' available for the scale.
But the scale can also be set to allow taring only at stable weight (letter 'M' not shown).
In G4 two tare values can be stored, Auto tare and Preset tare.
Auto tare
By taring, the actual gross weight is stored as Auto tare value, and the scale will switch
to display of net weight 'zero'.
Press key ↑. Additional functions for the scale will
appear to the right on the bottom line.
Use key + or – to scroll to 'Tare'.
Press key ↵to perform taring.
In this example 14.5 kg is stored as an auto tare
value.
014.5 kg
S1:G Tare
000.0 kg
S1:N Z
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