CAS X320 Instruction manual

IP69K Washdown Indicator
Quick Start Manual
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www.cas-usa.com
U21022050

Quick Start Manual Rev 1.33
003X-608-133 Page 1
Table of Contents
1. INTRODUCTION.............................................................2
1.1. Approvals................................................................2
1.2. Manuals ..................................................................2
2. SHIPPING CONTENTS ..................................................2
3. SPECIFICATIONS ..........................................................3
4. WARNINGS ....................................................................4
4.1. General ...................................................................4
4.2. Configuration Issues...............................................4
5. INSTALLATION ..............................................................5
5.1. Electrical Safety ......................................................5
5.2. opto-LINK................................................................6
6. CONNECTIONS..............................................................7
6.1. Cable Connections .................................................7
6.2. DC Power (DC PWR + , DC PWR –)......................7
6.3. Load Cell Connection .............................................7
6.4. Auxiliary Connections .............................................9
6.5. Connecting Shields...............................................15
6.6. Regulatory Sealing Requirements........................15
7. INSTRUMENT SETUP..................................................17
7.1. Calibration Counter...............................................17
7.2. opto-LINK..............................................................17
7.3. Access Full Setup .................................................18
7.4. Access Safe Setup ...............................................18
7.5. Exit Full or Safe Setup ..........................................18
7.6. Settings.................................................................18
8. ERROR MESSAGES....................................................27
8.1. Weighing Errors ....................................................27
8.2. Setup and Calibration Errors ................................28
8.3. Diagnostic Errors ..................................................29

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1.Introduction
This manual contains information on the installation, calibration
and setup of the instrument.
1.1. Approvals
•C-tick approved and CE approved.
1.1.1. Trade versions
•NSC approval (4000 divisions at 0.8µV/division).
•NMI approval (4000 divisions at 0.8µV/division).
•NTEP approval (10000 divisions at 0.8µV/division).
1.2. Manuals
For more information on this instrument refer to the
Reference Manual, Quick Start Manual or
Communications Manual.
2.Shipping Contents
The following table identifies the items shipped with the
indicator. Please check that your packing box contains the
specified items.
Shipped Items Other Items (Optional)
•Indicator
•Operator Manual
•Quick Start Manual
•Trade Label (plastic)
•U Bracket
•opto-LINK Cable
•Power Supply
•Battery Pack with Charger
•Captive Security Screws

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3.Specifications
Performance
Resolution Up to 30,000 divisions, minimum of 0.25µV/division
(K307 up to 60,000 divisions)
Zero Cancellation 2.0mV/V
Span Adjustment 0.1mV/V to 3.0mV/V full scale
Stability/Drift Zero: < 0.1µV/°C (+ 8ppm of deadload max)
Span < 8 ppm/°C, Linearity < 20ppm, Noise < 0.2µVp-p
Excitation 5 volts for up to 4 x 350 or 8 x 700 ohm load cells (4-wire or
6-wire plus shield)
Maximum total load cell resistance: 1,000 ohms
A/D Type 24bit Sigma Delta with 8,388,608 internal counts
A/D Conversion
Rate
20Hz with FIR filtering > 80dB
Operating
Environment
Temperature: –10 to +50°C ambient
Humidity: 100%
Storage: –20 to +50°C ambient
IP69K
Case Materials PC+Polyester alloy, PBT, Silicon Rubber, SS304 Stand
Packing Weights Basic Indicator: 2.0kg
Digital
Display LED Backlit LCD with six 20mm high digits with units and
annunciators
Setup and
Calibration
Full digital with visual prompting in plain messages
Digital Filter Sliding window average from 0.1 to 4.0 seconds
Zero Range Adjustable from 2% to 100% of full capacity
Power Input
Standard Power
Input
12 to 24VDC, 9.6, 12 and 24V batteries (2.5 VA max) -
ON/OFF key with memory feature
Variants AC AC Power supply: 110/240VAC 50/60Hz in 24VDC 1.25A
out
Battery 12V battery pack (rechargeable NiMH)
Features
opto-LINK Data
Coupling
Infra-red Connector for optional opto-LINK PC cable (to RS-
232 or USB PC port)
Correction Ten point linearity correction (K304 Only)
Outputs RS-232 automatic transmit, network or printer outputs.
Transmission rate: 2400, 4800 or 9600 baud
Assignable
Function Key
Unit switching, counting, manual hold, peak hold, live weight,
totalising
Drive Outputs 3 isolated high side drive outputs (400mA each 12-24VDC)
Battery Backed
Clock Calendar
Battery life 10 years minimum

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4.Warnings
4.1. General
•Indicator not to be subject to shock, excessive vibration or
extremes of temperature (before or after installation).
•Inputs are protected against electrical interference, but
excessive levels of electro-magnetic radiation and RFI may
affect the accuracy and stability.
•For full EMC or for RFI immunity, termination of cable shields
and correct earthing of the instrument is essential.
•Indicator and load cell cable are sensitive to excessive
electrical noise. Install well away from any power or
switching circuits.
4.2. Configuration Issues
•Configuration and calibration can be performed from the front
panel, using digital setup. When Full Setup is used, all menu
items are accessible and care must be taken to ensure no
accidental changes are made to calibration and trade
settings.
•Enter a passcode to prevent unauthorised or accidental
tampering. If the passcode is lost, the manufacturer should
be contacted for further advice.

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5.Installation
The following steps are required to set up the indicator.
•Inspect indicator to ensure good condition.
•Use connection diagrams to wire up load cell, power and
auxiliary cables as required.
•Connect Power to indicator and press <POWER> key to turn
the instrument On.
•Refer to the Instrument Setup section page 17 for information
on configuring and calibrating the instrument.
•To turn instrument Off press and hold <POWER> key for
three seconds (until display blanks).
5.1. Electrical Safety
•For your protection all mains electrical hardware must be
rated for environmental conditions of use.
•Pluggable equipment must be installed near an easily
accessible power socket outlet.
•To avoid the possibility of electric shock or damage to the
instrument, always switch off or isolate the instrument from
the power supply before maintenance is carried out.

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5.2. opto-LINK
The optional opto-LINK cable
can be used to transfer setup
and calibration information
from a PC (eg. to be stored for
later use and/or transferred to
other instruments). It can also
be used to download software
upgrades to the instrument
from a PC.
•Attach the opto-LINK cable to the PC using the DB9 or USB
connector.
•Attach the opto-LINK head to the left side of the instrument
display using the permanent magnet located within the head of
the opto-LINK.
WARNING: The opto-LINK head contains a strong magnet and care
should be taken with its proximity to electronic media (eg. credit
cards, floppy disks, etc.) and/or other electronic instrumentation.
5.2.1. opto-LINK Activation
A long press of the <GROSS/NET> key will toggle the opto-LINK
infrared communications On/Off.
When the opto-LINK has been (enabled) the following will occur:
•The instrument briefly displays the prompt opto-L.
•The editing annunciators (ie. GRP, ITM, etc.) will flash for up to
five minutes while the instrument searches for activity. During
this period, the instrument also disables the RS-232
communications.
•After a 5 minute period of no activity, the opto-LINK will be
disabled and the editing annunciators will stop flashing. The
instrument will revert back to the normal RS-232
communications (ie. The SERIAL:TYPE setting will be re-
activated).

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6.Connections
6.1. Cable Connections
•All cable connections are made to the rear of the instrument
using pluggable screw terminals.
6.2. DC Power (DC PWR + , DC PWR –)
•The DC supply need not be regulated, provided that it is free
of excessive electrical noise and sudden transients.
•The instrument can be operated from a high quality plug-
pack as long as there is sufficient capacity to drive both it
and the load cells.
•If an optional battery pack is fitted, then the supplied
charging system must be used.
6.3. Load Cell Connection
The instrument may be connected for either 4-wire or 6-wire
operation. For more information, refer to BUILD:CABLE
setting page 19.

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6.3.1. 4-Wire Connection
The minimum connectivity requirements are the connection of
four wires (ie. Excitation + and – along with Signal + and –).
The BUILD:CABLE option must be set to 4 to allow for 4-wire
connection.
6.3.2. 6-Wire Connection
The excitation and signal lines are connected the same as for
a 4-wire installation.
The BUILD:CABLE option must be set to 6 (the default) to
allow for 6-wire connection.

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6.4. Auxiliary Connections
This section provides diagrams to illustrate the terminal
connections.
6.4.1. RS-232 Serial to PC
Network: One Instrument to PC (DB9) (RXD, TXD, GND)
Network: One Instrument to PC (DB25) (RXD, TXD, GND)

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Ring Networks: Multiple Instruments to PC (RXD,TXD,GND)
Instruments can be configured in a Ring Network. The Short
Ring Network layout should only be used up to a total cable
run length of about 150 m (500 ft) at 9600 baud in a clean
EMC environment. If communications errors persist, or for
longer cable runs, select lower baud rates and/or use the
Long Ring Network below. For DB25 connector, see
Network: One Instrument to PC (DB25) (RXD, TXD, GND)
above.
In a Ring Network, the Instruments must have:
• same serial options, i.e., baud, parity, data bits, stop bits;
• unique addresses.
Short Ring Network

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Long Ring Network
The Long Ring Network layout can be used where each leg of
the cable run can be up to about 150 m (500 ft) at 9600 baud.
If comms errors persist, lower the baud rate to 4800 or 2400.
This section provides diagrams to illustrate the terminal
connections.

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6.4.2. Printer Connections (RXD/TXD, GND and DTR)
RS-232 – Instrument to Printer (DB25)
6.4.3. Remote Display (TXD, GND)
•Connect TXD to RXD and GND to GND on the remote
display.

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6.4.4. Remote Input
•The indicator requires a voltage free contact between TXD
and RXD to enable the remote input (ie. SPEC:REM.FN).
Note: The remote input will not function when in setup or
when using the opto-LINK.
WARNING
The remote input is a
voltage free contact (eg.
button, mechanical relay).
Connection of any active
circuitry may damage the
instrument.
6.4.5. Outputs
•The output drivers for the instrument are high side drive and
are capable of driving up to 400mA each.
•This configuration allows for the direct connection of the
instrument outputs to most types of PLC.
•The voltage applied to the instrument’s positive power supply
terminal (+) appears on the output lines when the outputs are
active.
•To drive external loads (eg. relays), connect the output line
directly to the positive side of the relay coil. Connect the
negative side of the relay coil to COMMON.
•It is recommended that fly-back diodes or transient
suppressors be fitted across inductive loads such as relay
coils to limit switching noise.

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Outputs to Drive Relay
Outputs to Drive PLC

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6.5. Connecting Shields
To obtain full EMC or for RFI immunity, cable shields MUST
be connected to the earth lug on the rear of the instrument.
6.5.1. Cable Shield Connection and Earthing
•Care should be taken when connecting shields to maximise
EMC or RFI immunity and minimise earth loops and cross-
talk (interference) between instruments.
•For full EMC or for RFI immunity, termination of the cable
shields at the earth lug is very important. The earth lug of
the instrument must be separately connected to ground
potential via a reliable link.
•The instrument should only be connected to earth via a single
reliable link to avoid earth loops.
•Where each instrument is separately earthed, interconnecting
cable shields should be connected at one end only. This also
applies to Ring Networks, see pages 10 and 11.
•Caution: Some load cells connect the cable shield directly to
the load cell (and therefore the scale base). Connection of
the load cell cable shield in this situation may be site specific.
6.6. Regulatory Sealing Requirements
To comply with regulatory sealing requirements for each
instrument, (ie. to ensure instruments are not accidentally or
deliberately tampered with), it is important that proper sealing
procedures be adhered to.

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6.6.1. Sealing
Attachment of Lead Seal through optional Captive Security
Screws. Please note that security screws are available as
an option and that they are less corrosion resistant than
the standard Captive Screws.
Back View showing cable locations.

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7. Instrument Setup
7.1. Calibration Counter
The built-in calibration counter(s) monitor the number of times
trade critical settings are altered. Refer to Trade Critical
Settings below for more information and to the OPTION:USE
setting page19.
The table below describes when the counter(s) will increment.
Industrial, NSC or OIML: The Calibration Counter
increments when trade critical settings are changed. An
example of the counter is C.00019.
NTEP: Two counters display.
The Calibration Counter increments when trade critical
settings in the Calibration (CAL)menu are changed. An
example of the counter is C.00010.
The Configuration Counter increments when other trade
critical settings (ie. not in the CAL menu) are changed. An
example of the counter is F.00009.
7.1.1. Trade Critical Settings
Trade critical settings can affect calibration and/or legal for
trade performance. In this document the ⊗symbol indicates
the setting is trade critical. Each time a trade critical setting is
altered, the calibration counter will be incremented by one.
7.2. opto-LINK
For information on setting up using the opto-LINK cable refer
to opto-LINK page 6.

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7.3. Access Full Setup
Full Setup provides access to configure and calibrate the
instrument. All items in all menus will be enabled in Full
Setup.
WARNING: Care should be taken to avoid inadvertently
altering the Build or Calibration settings.
•Ensure the instrument is on.
•Press and hold the <POWER> and
<GROSS/NET> keys together for two
seconds.
7.4. Access Safe Setup
Safe Setup restricts access to the trade critical settings
(marked with ⊗).
•Ensure the instrument is on.
•Press and hold the <POWER> and <TARE>
keys together for two seconds.
7.5. Exit Full or Safe Setup
To save settings, exit setup and return to the normal weighing
mode use one of the following methods:
•Method 1: Press <POWER> and <GROSS/NET> keys
together for two seconds.
•Method 2: Press <POWER> and <TARE> together for two
seconds.
•Method 3: Select - End - from the menus.
Warning: If the power is interrupted while in setup (ie. by
disconnecting the power cable or pressing the <POWER>
key), unsaved settings will be lost.
7.6. Settings
The following tables identify the settings available for the
instrument.

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GROUP
(GRP)
ITEM
(ITM)
SELECT
(SEL)
EDIT
(EDT)
Underline = Defaults
OK
BUILD DP⊗Decimal Point Position 000000, 00000.0, 0000.00, 000.000, 00.0000, 0.00000 Accept
CAP⊗Maximum Capacity 000100 to 999999 Default = 003000
<SEL> changes position, <EDT> changes digit.
Accept
RES⊗Resolution (Count-By) 1, 2, 5, 10, 20, 50, 100 Accept
GRADS⊗
(K306 only)
Graduations 000100 to 030000 Default = 003000
<SEL> changes position, <EDT> changes digit.
Accept
UNITS⊗Weighed Units none, g, kg, lb, t Accept
HI.RES⊗Resolution x 10 Mode OFF, ON Accept
CABLE⊗4-Wire or 6-Wire 4, 6 Accept
OPTION USE⊗Scale Use INDUST, NSC, OIML, NTEP Accept
FILTER Reading Average
(time in seconds)
none, 0.2, 0.5, 1.0, 2.0, 3.0, 4.0 Accept
MOTION⊗Motion Detection OFF, 0.5-1.0, 1.0-1.0
Default = 0.5 Graduations per Second
Accept
INIT.Z Initial Zero on Startup OFF, ON Accept
Z.TRAC⊗Zero Tracking Sensitivity OFF, SLOW (0.5 grads/sec), FAST (10 grads/sec) Accept
Z.RANGE⊗Zero Operating Range -2_ 2, -1_ 3, -20_20, FULL
Default = -2_ 2 (–2% to +2%)
Accept