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SECTION 5 — PSDI
SSC-500 Hydraulic Press Solid-State Control
Rockford Systems, LLC
34
Call: 1-800-922-7533
(Continued on next page.)
Sequence of Operation
SINGLE BREAK
When the slide is at the TOS limit switch and waiting for the prior action, the display reads
PSDI 1 — STOP
. To arm the PSDI mode, press the
prior action push button. The display reads
PSDI 1 — ARMED
. The PSDI Timer begins to time. The operator must break (interrupt) the light curtain
sensing field and remove hand(s) and arm(s) from the sensing field to initiate a stroke before the timer expires.If the timer expires, the display
reads
PSDI 1 — STOP.
The prior action push button must be pressed again to reactivate the PSDI mode of operation. The sensing field must be
interrupted for at least .2 seconds to qualify as a break. See page 30 for programming information on the PSDI timer.
DOUBLE BREAK
When the slide is at the TOS limit switch and waiting for the prior action, the display reads
PSDI 2 — STOP
. To arm the PSDI mode, press the
prior action push button. The display reads
PSDI 2 — ARMED #1.
The PSDI Timer begins to time. The operator must break (interrupt) the light
curtain sensing field and remove hand(s) and arm(s) from the sensing field. The display then reads
PSDI 2 — ARMED #2
. The PSDI timer begins
to time again. The operator must break the light curtain sensing field a second time and remove hand(s) and arm(s) from the sensing field to initiate
a stroke before the timer expires. If the timer expires, the display will read
PSDI 2 — STOP
. The prior action push button must be pressed again
to reactivate the PSDI mode of operation. The sensing field must be interrupted for at least .2 seconds to qualify as a break. See page 30 for
programming information on the PSDI timer.
PSDI Messages
The following messages are displayed while the PSDI mode of operation is activated.
Table 5.1
MESSAGE
INDICATION
PSDI 1 — STOP
PSDI 1 — DOWN
PSDI 1 — UP
Single break. The slide is at TOS limit switch waiting for a the prior action
push button to be depressed.
Single break. The slide is moving down.
Single break. The slide is moving up.
PSDI 2 — STOP
Double break. The slide is at TOS limit switch waiting for a the prior action
push button to be depressed.
PSDI 2 — STOP
Double break. The slide is moving down.
Double break. The slide is moving up.
Single break. The slide is at TOS limit switch waiting for a break. The
PSDI
timer is timing.
PSDI 2 — ARMED #1
Double break. The slide is at TOS limit switch waiting for first break. The
PSDI
timer is timing.
PSDI 2 — ARMED #2
Double break. The slide is at TOS limit switch waiting for second break. The
PSDI
timer is timing.
PSDI REQUIRES LC
The light curtain is turned off or is red when PSDI is enabled. Check the
status of the light curtain and make sure it is on or green.