Azbil VDC User Manual

Azbil Corporation Maintenance and troubleshooting
Model MTG11A/18A, MTG11B/18B, MTG14C 8-7
Troubles at startup
Troubleshooting
When a problem occurs at start-up, perform the following procedures. If the problem
remains, it is possible that the device has been damaged. Contact an Azbil Copr.
representative.
Trouble Check point and troubleshooting
No indication on display
panel when powered on.
• Check the specifications of the power source.
• Check the wiring.
• Check if the ambient temperature is not under -4°F
(-20°C).
No output when powered
on.
• Check the signal line for correct connection.
Communication failure. • Check the signal line for correct connection. A load
resistance of 250 Ω or more is required (SFC).
• Check the communicator for correct connection.
(SFC has polarity.)
• SFC of Version 7.0 or later is used. Operation is
impossible with a lower version.
• Is model MTG DD (device description) down-
loaded on the HART Communicator? The DD for
the model MTG should be downloaded from HCF
DD Library Host DD Distribution (HCF-KIT-III)
Release 2002 Number 3 or later.
No pulse output • Check the counter type, input specifications and
contact capacity.
• Check the pulse setting of the flowmeter.
CM2-MTG300-2001.book 7 ページ ２０１５年９月２９日 火曜日 午前１０時１４分

Azbil VDC Specifications

General

Brand	Azbil
Model	VDC
Category	Measuring Instruments
Language	English