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Installation
2.6.4 Alarm module
Function
Installation
SIPART PS2 PA Manual
A5E00127926--05
The I
module (3) is pushed in to the bottom compartment of the mo-
y
dule rack up to the stop and connected by the enclosed 6-wire ribbon
cable (6) to the motherboard (see figure 16, page 33).
The alarm module contains
3 digital outputs and
S
1 digital input
S
The digital outputs serve to output fault messages and alarms. The
configuration is described in chapter 4.4, page 98, with the parameters
44 to 54.
By an external signal applied at digital input (DI2) the actuator can be
blocked or driven to its limit positions for example depending on the
configuration. The configuration is described in chapter 4.4, page 98,
with the parameters 43.
The alarm module is available in two versions:
explosion protected for connecting to switching amplifier
S
EN 60947--5--6
non--explosion protected for connection to voltage sources with a
S
maximum 35 V
The semiconductor outputs of the alarm module report an alarm (signal
state Low) by switching off with high resistance. They are conductive in
the High state (without alarm). The dynamic control makes them error
self--reporting.
The outputs are potentially isolated from the basic circuit and each
other.
The digital input is double.
one potential isolated for voltage level
S
one not potential isolated for floating contacts
S
These two inputs are designed as logic OR links.
The alarm module (4) is pushed in underneath the motherboard into the
module rack up to the stop and connected by the enclosed 8-wire rib-
bon cable (5) to the motherboard (see figure 16, page 33).
Design and method of operation
37
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