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IQ plus 310A XPCD Technical Service Manual
1.0
Introduction
The IQ plus 310A XPCD is a single-channel digital weight indicator designed and approved to operate as an
explosion proof system in a wide variety of scale and weighing applications. The indicator is housed in a cast
aluminum explosion proof enclosure and can be safely used when the cover is properly installed and the sealing
fittings are packed and cemented. The indicator consists of four individual externally mounted buttons for
gross/net, tare, units, and print. (see Figure 1-1 on page 5).
Standard features of the IQ plus 310A XPCD include:
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Bright, bold vacuum fluorescent display (VFD)
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50 updates/second
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Advanced digital filtering
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Two digital inputs, TTL or dry contact closure
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Selectable print data and format, via EDP port
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One communication port; EDP port, RS-232 or 20 mA selectable
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XPCD seal-off kit for three holes
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Cast aluminum explosion proof enclosure Class I, II, III; Divisions I & II, Groups C-G environments
1.1
System Limitations and Restrictions
The following items represent limitations and restrictions on the use of the IQ plus 310A XPCD:
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All wiring, connections, conduit and grounds must comply with the National Electrical Code.
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No modifications can be made in the field.
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It is mandatory to return the IQ plus 310A XPCD to Rice Lake Weighing Systems for service.
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