Se�Ng Upper & Lower Opera�Onal Encoder Limits - Hitachi P1 Basic Instruction Manual

SE T TI N G U PPE R & LO WE R O PE R AT I ON AL E NC O D E R L IM I T S
The Hitachi P1 can use the encoder pulses for electronic upper and lower hook block limits. Detroit Hoist has made this a simple
process by using knife disconnect switches. To set the upper and lower limits follow the steps below in order.
cannot be reversed or limits will not work properly.
Note: To disable the use of the electronic limits simply change parameter UE-33 = 0 and be sure to wire in a limit circuit. For
assistance please contact Detroit Hoist for an updated electrical drawing.
1.) Open the PP knife disconnect to enter program mode. (Program Posi�on Switch).
2.) Run hook block to desired upper limit.
3.) Simply open and then close the PR knife disconnect to clear the posi�on counter memory. (Posi�on Reset Switch) This is used
as a momentary switch.
4.) Run hook block to desired lower limit.
5.) Close the PP knife disconnect once the motor brake has set to store the posi�on data.
Use image below for reference of PP & PR switch.
12/17/2018 Hitachi P1 Closed Loop Hoist Basic Instruc�on Manual Firmware V19 – V25
* Closed Loop Hoist Only *
(DO NOT LEAVE OPEN)
Note: The process
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