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| Safety Monitors - AS-Interface - Siemens | 11/23/2008 11:13 AM | ||
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Safety Monitors
The "Basic" safety
monitor and its expanded version are the core elements of ASIsafe. They monitor
data transferred via AS-Interface (master call, response from the safe slave).
The safety monitor brings the system into a safe condition if the safety circuit
is interrupted or safety-related sensors are faulted.
It therefore acts as a bus-based safety relay. The standard infrastructure of
the AS-i network can continue to be used without restrictions.
The PC-based ASIMON software is used to configure
the safety monitor. The response to various input signals can be defined via
its graphic user interface.
 ASIMON
Advantages at a glance
Monitors safe nodes and connects safe inputs
Ensures safe shutdown via 1 or 2 two-channel enabling circuits
Optional: Integral on and off delay, pulse function, extended
RAM (expanded safety monitor)
Optional: Controlling of a distributed safe output or safe
coupling of two AS-i networks (device version 3)
Approved in safety circuits up to PL e/ Cat. 4 (DIN EN ISO
13849-1) or SIL3 (IEC 61508) and stop category 0 or stop category 1
Removable finger-safe and non-reversible terminal blocks
for fast exchange
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