Page 253 - PLC Automation

APPLIC ATION DESCRIPTIONS AND ADDITIONAL INFORMATION 251

Enhanced functionality More flexibility
• More test pulse outputs on S500 safety digital • A single safety I/O channel can be individually
I/O modules ensure higher degree of fault diag- reintegrated, which may provide higher machine
nostics and reaction, which results in higher availability in many customer cases.
safety integrity level for safety functions in the • Front panel rotary switch for PROFIsafe address
machine. ensures less maintenance effort because you
• Each safety I/O channel has not only process can see all pre-set PROFIsafe addresses directly
state LED but also fault-diagnostic LED which looking at the front cover of safety I/O modules
significantly simplifies maintenance work and, (no more need to disassemble safety I/Os).
thus, save your operation costs. • Built-in module power supply (no additional
• Extreme condition (XC) modules are available 24V DC power supply needed), which makes
(-40 to +70 °C, high vibration and shock require- your power supply connections much simpler.
ments, etc.), which allows cost-savings in engi-
neering and operation. Please watch our videos on our
• Fool-proof protection implemented in all safety ABB PLC YouTube channel:
I/O modules (reverse signal or power supply
polarity, wrong module placement, short circuit
etc.), to avoid damaged modules due to wrong
wiring.

www.youtube.com/user/abbplc

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