Onicon FT-3500 - Page 50

FT
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3500 ELECTROMAGNETIC FLOW METER
ONICON Incorporated 727.447.6140 Page 50 onicon.com
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IMPORTANT NOTE FOR BACnet MS/TP CONNECTIONS
If the meter is not connected to an active network the following electrical testing can be performed with a
multimeter. If the readings are outside for the normal ranges listed below, please refer to manual for common
issues.
I. Check Resistance (set multimeter to Ohms)
• Shield
• Earth Ground
Normal reading: 0 Ohms
II. Check DC Voltage (set multimeter to DC)
• A-
• B+
Normal reading: 0.2 VDC
III. Check DC Voltage (set multimeter to DC)
• Earth Ground
• B+
Normal reading: 2.0 - 2.5 VDC
IV. Check DC Voltage (set multimeter to DC)
• Earth Ground
• A-
Normal reading: 2.0 - 2.5 VDC
V. Check DC Voltage (set multimeter to DC)
• B+
• Earth Ground
Normal reading: Less than 2.0 VDC
VI. Check DC Voltage (set multimeter to DC)
• A-
• Earth Ground
Normal reading: Less than 2.0 VDC