Entron EN1000 series

Page 110 • 700120S • ENTRON Controls, LLC.
9.2 SEAM MODE EXAMPLES
9.2.1 CONTINUOUS SEAM MODE
Schedule 13 is a CONTINUOUS SEAM mode. The control is switched to the SEAM mode by
programming the EXTENDED FUNCTION
S.E.S.E.
S.E.S.E.
S.E. to
0101
0101
01. Welding current starts when the initiation
contact is closed, and stays on as long as it is held closed.
9.2.2 INTERMITTENT SEAM MODE
Schedule 14 is an INTERMITTENT SEAM mode. INTERMITTENT operation is accomplished
by programming a value other than
0000
0000
00 for COOL into the schedule. To switch the control back
to the SPOT mode, program the EXTENDED FUNCTION
S.E.S.E.
S.E.S.E.
S.E. to
0000
0000
00.
9.2.3 WELD CURRENT DELAY
WELD CURRENT DELAY provides a time delay and output to a seam welding machine solenoid
valve circuit. When the weld wheels are lowered, a delay before applying weld current is required
to insure the wheels are together and sufficient pressure is attained. WELD CURRENT DELAY
is represented by SQUEEZE time on the Front Panel.
To add WELD CURRENT DELAY to a SEAM sequence, program desired SQUEEZE time to
the first schedule of the SEAM sequence. If the sequence is programmed for INTERMITTENT
SEAM or ROLL SPOT, the programmed SQUEEZE time will only be in effect upon initiation.
To return the control back to SPOT mode, the EXTENDED FUNCTION
S.E.S.E.
S.E.S.E.
S.E. must be
programmed to
0000
0000
00 (see Section 5.4.2).
Figure 9-7. CONTINUOUS SEAM mode
Figure 9-8. INTERMITTENT SEAM mode
SCHEDULE SQUEEZE
WELD/
HEAT
PERCENT
CURRENT
HOLD OFF IMPULSES COOL
VALVE
MODE
CYCLE
MODE
SLOPE
MODE
SLOPE
COUNT
13 10 01 40 10 10 01 00 01 00 00 00
SCHEDULE SQUEEZE
WELD/
HEAT
PERCENT
CURRENT
HOLD OFF IMPULSES COOL
VALVE
MODE
CYCLE
MODE
SLOPE
MODE
SLOPE
COUNT
14 10 20 40 10 10 01 05 01 00 00 00