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Technical specifications for 1746-WS
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Manufacturer:HARDY
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Product Category:PLC Systems
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Spare Part Number:1746-WS
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Weight:0.5 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Module type:SLC 500 weigh-scale I/O module
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A/D conversion:20 bit
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Display counts:980,000
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Scanned I/O:32 words
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M-file data:128 words
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WAVERSAVER:0.25 Hz and above; five selectable steps
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Weighing modes:Gross, Net and Rate-of-Change
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Calibration:C2, test-weight and soft/manual methods
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Control outputs:Two TTL outputs for relay control
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Weight:1.1 lb / 0.5 kg
Information
Overview
Manuals
Common Applications
Product Precautions
Hardy 1746-WS is a self-contained weigh-scale I/O module that plugs into an Allen-Bradley SLC 500 chassis. It converts load-cell signals for gross, net and rate-of-change weighing and exchanges values through scanned I/O and M-file data.
- 20-bit conversion with 980,000 display counts
- WAVERSAVER filtering for mechanical-vibration rejection
- C2 electronic calibration plus test-weight and soft calibration
- Direct SLC scanned-I/O and M-file data exchange
Install 1746-WS in a documented SLC 5/02, 5/03, 5/04 or 5/05 system and record the load-cell wiring, calibration method, WAVERSAVER setting and M-file mapping. Complete zero, span and live-load verification before enabling scale-dependent logic.
Important Notice: Verify 1746-WS from the physical marking and current manufacturer documentation before installation or configuration.
Apter Power 1746-WS Manuals and Guides
Apter Power 1746-WS Product Technical ReferenceHardy HI 1746-WS Operation and Installation Manual 0596-0234-01 Rev. J
Important Notice: Use these model-specific records together with the current manufacturer publication and the installed-system documentation.
Hopper and vessel weighing
Converts load-cell signals for batch, inventory and material-handling control.
SLC 500 batching systems
Supplies gross or net weight to PLC logic through the documented data map.
Rate-of-change monitoring
Calculates weight change for controlled filling, discharge or material-flow observation.
Vibration-affected scales
Uses WAVERSAVER filtering to reduce the influence of plant mechanical vibration.
Read the applicable HARDY instructions before work. Verify 1746-WS and the installed system configuration.
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Verify the complete 1746-WS marking and hardware series before installation.
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Confirm the SLC processor supports the required scanned-I/O and M-file access.
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Remove chassis and field power before inserting or removing the module.
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Use ESD controls and preserve the load-cell shield and single-point grounding arrangement.
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Record load-cell excitation, sense, signal and C2 wiring before disturbance.
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Select the WAVERSAVER frequency from the actual process response, not a copied project.
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Perform the documented zero and span calibration with an approved method.
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Prove gross, net, rate, setpoint and PLC data mapping before releasing scale logic.
Technical notes
Install 1746-WS in a documented SLC 5/02, 5/03, 5/04 or 5/05 system and record the load-cell wiring, calibration method, WAVERSAVER setting and M-file mapping. Complete zero, span and live-load verification before enabling scale-dependent logic.
FAQ View All FAQ
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Which SLC processors support Hardy 1746-WS?The manual documents operation in SLC 5/02, 5/03, 5/04 and 5/05 systems subject to the required data-file handling.
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What converter resolution does Hardy 1746-WS use?The module uses a 20-bit analog-to-digital converter and provides 980,000 display counts.
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How much scanned I/O is used by Hardy 1746-WS?The module uses 32 words of scanned I/O and also provides 128 words through M files.
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What weighing modes are available in Hardy 1746-WS?The documented modes are Gross, Net and Rate-of-Change.
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What calibration methods are supported by Hardy 1746-WS?It supports C2 electronic calibration, hard or test-weight calibration and soft or manual load-cell calibration.
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What does WAVERSAVER do in Hardy 1746-WS?WAVERSAVER filters mechanical vibration from the weight signal, with selectable response settings from 0.25 Hz and above.
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Is WS100 software required for Hardy 1746-WS operation?No. Hardy identifies WS100 as an optional configuration and troubleshooting tool rather than an operating requirement.
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What must be tested after replacing Hardy 1746-WS?Verify load-cell wiring, calibration, zero, span, gross/net/rate values, setpoints, M-file mapping and PLC interlocks.
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