Field Power Distribution; Field Power Diagnostics; Issue 5 - September - ABB Triguard SC300E Safety Manual

3.11.2 Field Power Distribution

Distribution of the field power supply to the field will be through power supply breakers or fuses,
any failure must be annunciated. The Power Distribution and Alarm Panel PDD24 is a suitable
product for this application.
The Triguard SC300E termination cards provide individual loop fusing with alarms.

3.11.3 Field Power Diagnostics

Each redundant power module will provide diagnostics fault detection. All faults in external
power supply modules connected directly to the system (eg field power supplies) must be
alarmed and reported.

Issue 5 - September 2006

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