Instruction Manual
IM-105-4000, Rev 1.3
October 2008
4-5
OPM 4000
NORMAL / TEST
This switch controls the EXTERNAL mA METER connections. In the normal
mode the terminals are shorted. In the test mode the terminals are open and
the current loop from the transceiver is interrupted allowing the use of an
external current meter to be placed in series with the transceiver current
output. When this is in the test mode position it is considered a maintenance
condition and fault condition. If no current meter is in the test jacks, the loop
current the control unit will indicate will be full scale and the control unit will
indicate a fault.
Содержание Rosemount Analytical OPM 4000
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