Benchmark AMS4A040, Operation And Maintenance Manual

Page: 11 / 39

AMS4A040 PANEL USER MANUAL Rev H Nov 2006 Page 11 of 39
3.5 DELTA TENSION SHUTDOWN
Functionality: When value is reached, alarm sounds, tension display flashes
value, and tension contact closure switch is closed. This can
be used to provide a signal to automatically stop the winch.
Procedure: Use +/- switch to set tension shutdown setting
Indication: DTSHDN will be displayed on the DEPTH display and the
value will be displayed on the TENSION display as it is being
set.
Note:
This parameter is derived from the reading on the analog
meter. If the DTSHDN value is set to 500 then whenever the
tension reading on the meter is greater than 500 the winch
shutdown relay will be activated.
Note:
The RESET or Approaching Surface button needs to be
depressed before the winch shutdown relay will de-energize.
3.6 DEPTH ADJUST (Shim)
Functionality: The shim amount selected will automatically be added or
subtracted from the depth input.
Procedure: Use +/- switch to set the shim setting.
Indication: DP-ADJ will be displayed on the DEPTH display and the
value will be displayed on the TENSION display as it is being
set. The values are feet / thousand.
Default value is 0.
3.7 DEPTH ALARM
Functionality: When Alarm depth value is reached, the alarm will sound and
LED will flash. Pressing the LED will turn off alarm but the
light will continue to flash.
Procedure: Use +/- switch to set the depth alarm value.
Indication: DALARM will be displayed on the DEPTH display and the
value will be displayed on the TENSION display as it is being
set.
Default value is 100’