1 trim – Watson-Marlow 620U User Manual
Page 34

Watson-Marlow 620UN, 620U, 620SN, 620S User Manual
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16.1 Trim
UN
When the pump is under remote control, it tracks an analogue signal from the user’s
remote control system to the i/p terminal of the Analogue 1 connectors at the rear
of the pump within the ranges 4-20mA, 0-10V or 1-5V. The Trim setup sequence
allows the user to customise the process-signal-to-pump-speed calibration. The
sequence may be entered directly from the Setup menu or from the Analogue setup
menu.
U
When the pump is under remote control, it tracks an analogue signal from the user’s
remote control system to pin 4 of the lower D-connector at the rear of the pump
within the ranges 4-20mA, 0-10V or 1-5V. The Trim setup sequence allows the user
to customise the process-signal-to-pump-speed calibration. The sequence may be
entered directly from the Setup menu or from the Analogue setup menu.