Q3224A [3] Trimmer Control b. Output signals (1) DRV (TUDB to M102) M102 drive control signal. The rotational direction of the M102 is controlled according to the combination of the levels of two DRVs. TUDB DRV DRV M102 IN GND PS106 2 UNIT EXPLANATION DRV 24V M105 M102_CONT M102_F/R M105_CONT PS106_SIG FINISHER The upper knife is driven by the M102 (trimmer). Normally, the upper knife is held at the upper position (no trimming position). It is supervised by the PS106 (trimmer HP) at all times. The M102 is driven by the TUDB (Trimmer drive board) under the control of the finisher. 1.
Operation When the M105 (press) stops pressuring the booklet, the M102 starts turning forward to move the upper knife down to trim the booklet and then upward to release it. The PS106 is used to detect the home position of the upper knife. 2. Signals a. Input signals (1) This signal is used to detect the home position of the upper knife. [L]: Home position [H]: Other than home position (2) M102 and M108 ON/OFF control signal. [L]: M102/M108 ON [H]: M102/M108 OFF (3) M102 rotational direction change signal. [L]: Reverse [H]: Forward PS106_IN (PS106 to TUDB to finisher) M102_CONT (Finisher to TUDB) M102_F/R (Finisher to TUDB) 2 - 9