70
DISABLE Serial communication function is disabled.
W / TIMER Enables serial communications with a watchdog timer. If
there is no serial activity (read or write) for more than 10
seconds, serial control will turn off and the drive will stop.
W / O TIMR Enables serial communications without a watchdog timer.
However, after 10 seconds of no serial activity, serial control
can be turned off by issuing a STOP command from any
source (keypad, terminal strip) other than the serial link.
NOTE 1: The keypad STOP button is always active, regardless of what method
(LOCAL, REMOTE, or SERIAL) is being used to control the drive. The remote
STOP input (TB-1) may also be active, depending on how the drive is programmed.
NOTE 2: If a RESET command (Parameter 65 - PROGRAM) is issued through
the serial link, this parameter will not default back to DISABLE. However,
explicitly setting this parameter to DISABLE through the serial link will cut off
communication with the drive.
If developing an application for serial communications, refer to the RS-232/RS-
485 Modbus Communications Protocol Specification.
58 ADDRESS (SERIAL ADDRESS)
This parameter is used with the serial communications feature, and is intended for
use in a multiple drive network (RS-485). The serial link will support drives with
addresses from 1 up to 247. If the serial communications option is not being used,
leave this parameter set to the default setting of 30.
61 PASSWORD (PASSWORD NUMBER)
This feature limits access to the programmable parameters for added security. The
correct password must be entered in order to change the parameters.
Pressing the PROG/RUN button on the keypad will activate the PASSWORD
prompt. If the correct password is entered, the PROGRAM MODE is entered
and parameters can be changed.
If the wrong password is entered, the drive will flash ERROR: INCORRECT and
then return to the PASSWORD prompt to allow another attempt at entering the
correct password.
If the ENTER key is pressed while PASSWORD reads 0000, the MONITOR
MODE will be entered (if Parameter 64 - MONITOR, is set to ON), which will
allow the parameters to be viewed (except for PASSWORD), but not changed.
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