USER’S MANUAL
30
The Monitor Input
In its most typical implementation, a relay is said to
operate
when, upon
detection of a fault, it closes its output contact to trip a circuit breaker, thus
clearing the fault. The PTE-100-C PRO will simulate the presence of a circuit
breaker by means of its
trip monitor,
that will automatically stop both the
timer
and
the power output when the relay operates, thus completing the
fault clearance
cycle.
The monitor will only stop the injection and the timer if it is
connected to the relay’s output and you have pressed the
button before switching the output on.
Monitor
activation
is signaled by a red LED labeled
Monitor
at the left edge
of Display #1. This takes place when –
a)
some voltage within the 3 to 250 V AC or DC range drops be-
tween the BLACK / RED monitor taps, or
b)
a
dry
contact (the most common case) closes between the BLACK /
GREEN monitor taps. This input is protected by a dedicated fuse
that will blow immediately if any voltage is applied.
REPLACE BLOWN FUSES WITH IDENTICAL ONES ONLY. DAMAGE
RESULTING FROM INCORRECT FUSE REPLACEMENT IS NOT COVERED
BY THE WARRANTY
Timer control
As commented above, the timer will start when you activate the power out-
put and will stop when the Monitor is activated. This is the timer’s default
start/stop mode, but you have more options that correspond to the various
combinations of the green
event LEDs
at the left of Display #1. To under-
stand timer modes, we need to distinguish between
positive
and
negative
events
:
RESET
Summary of Contents for PTE-100-C
Page 41: ...PTE 100 C PRO 41 GENERAL DIAGRAM ...
Page 42: ...USER S MANUAL 42 FRONT PANEL ...
Page 48: ...USER S MANUAL 48 PTE FCN FRONT PANEL ...
Page 50: ...USER S MANUAL 50 IMPORTANT ...
