EMC INDUSTRIAL GROUP LTD Features
MW94A_IM_ALL_SV6.09f_en 5/53
INTRODUCTION
Features
Basic
Units & Resolution
The units for each variable type (weight etc.) can be selected from a list of metric and imperial units.
The resolution of each variable type can be adjusted, this alters the count by e.g 100kg displayed in
0.2kg increments.
OIML Design
The instrument is designed to OIML standards.
Language Support
Support is available for the following languages: English, Chinese, Korean, German, Spanish, French,
Italian and Polish.
Inputs
Digital Inputs INx
The digital inputs are programmable to a range of function including ‘acquire zero’, ‘print’ etc.
Corner Adjustment (MT1 only)
The input sensitivity can be individually adjusted for up to 4 loadcells, allowing differences in loadcell
sensitivities to be corrected.
Four Loadcell Inputs (MT1 only)
Separate inputs are available for 4 loadcells allowing the signal of each to be monitored sperately. This
provide an aid for load balancing across loadcells and also for fault finding.
Zeroing
Auto zeroing automatically sets the zero point when there is no material flow and reduces errors that
would be caused by and incorrect zero.
Signal Filtering
Filtering for the weight can be adjusted to get the optimum compromise between reduction of plant vi-
bration and response speed.
Internal Signals
Limits
The high and low limits have adjustable setpoints which may be programmed to operate on any internal
signal.
Batching
The system can be used to batch out a desired weight by stopping the feeder when the batch weight
has been totalised. A pre-act is available to compensate for overrun.
Event Collection
Process events are collected for operation with external equipment (PLCs etc.)
Memory Storage
Allows a group of settings to be stored or recalled from memory. This can be used for example to store
settings for different products. There are 20 memory locations with up to 4 settings in each.
Material Total
The processor incorporates a totaliser which totalises the weight of material through the system. The
totaliser can be reset to zero. A pulse output is available to operate external counters. A low flow cutout
ensures that low flows do not cause false counts. The total is retained after a power failure.
The totaliser can be set to operate with 5, 6, 7 or 8 digits.
Outputs
Material Flowrate
An analog flowrate output signal is available for connection to other instruments.
Analog I/O Scaling
The analog output range can be adjusted over the full 0 to 20mA range. The output will drive to a slight
negative mA, allowing a live zero to be achieved when using a 0 to 20mA range. A voltage output is
easily produced by connecting a resistor to the output.
In addition the analog output signal is selectable to come from any internal signal in the instrument e.g
weight, flowrate etc.
Digital Outputs OUTx
The digital outputs are programmable to operate from any internal signal. These signals include the
digital input states, status conditions (running, paused etc) and any fault conditions that are detected.
This makes it easy connect into other systems.
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