4 - GENERAL PARAMETERS, DESCRIPTION
49'1329 e
GV3000/SE
4 - 9
Terminal Strip Digital Inputs Configure
(continued)
REM/LOC
allows you to switch from terminal strip control to local keypad control. The drive must be
stopped in order to do this. (Note that if an OIM is connected, REM/LOC will switch control from
terminal strip to the OIM, not to the local keypad.)
NOTE:
The digital input for REM/LOC is active only if the control source is remote.
The following example shows how this input can be used.
REM/LOC Input Example:
Assume the drive is stopped and started using an external 2-wire control signal.
The drive’s control source is the terminal strip (P.000=rE), and a start command is given. The
REM/LOC option (P.007= 2) is selected so that an external REM/LOC selector (mounted e.g.
near the controller in the cubicle) switches the drive from REMOTE to LOCAL or from LOCAL to
REMOTE. This external switch is in the REMOTE position.
The following happens:
1.
The STOP/RESET key is pressed and the motor stops.
2.
LOCAL is selected using the externally wired REM/LOC switch.
3.
Control of the drive is done locally through the keypad (or through the OIM,
if connected). This could be for troubleshooting purposes, or for viewing/adjusting
parameter values.
4.
The REM/LOC switch is set back to the REMOTE position. The drive runs immediately
because there is already an asserted remote START signal.
5.
The drive is now being controlled by the REMOTE control source.
TRQ/SPD
allows you to switch between torque regulation and speed regulation while the drive is running
or stopped. This feature only applies when the drive has been configured as a vector regulator
(P.048=UEC), and U.000 (Torque Reference Source >0.
To provide smooth transitioning when switching from torque to speed, the speed regulator is
preset with the last torque reference. When switching from speed to torque, the torque regulator
will switch to the new torque reference.
NOTE:
The digital input for TRQISPD is active if the control source is local, remote, or serial.
The default value of 0 for P.007 will limit P.008 (Terminal Strip Speed Reference Source) to a
selection of 0. You must change P.007 to some value other than 0 in order to change P.008 to
some value other than 0. See table 4-1 and the selection example in the P.008 parameter
description.
For use with RMI option card refer to RMI-Manual 49’1330
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