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I.L. 40-201.9
way to change a setting locally would be to turn the dc power "OFF" and then "ON". The com-
puter will allow for a local setting change within 15 minutes. Refer to the IL 40-603 (Remote
Communication Program) for detailed information.
7.
OSCILLOGRAPHIC DATA
Refer to ABB Publications:
8.
REL 352 SETTINGS
The REL 352 setting mnemonics are in Table 4-3; the appropriate setting information is in Table
4-4, i.e., setting name, format, setting range (min, max, step), units and related notes.
9.
MONITORING FUNCTIONS
The REL 352 monitoring functions display on-line system information (see Table 4-5); monitor-
ing values and conditions are listed in Table 4-6. All angles are computed using V
erence angle.
10. TARGET (FAULT DATA) INFORMATION
The REL 352 stores 16 sets of targets (fault data). All 16 sets are accessible through INCOM
but only the two most recent sets of data are accessible from the front panel (
The first part of the fault data contains "Yes/No" targets (
of the trip and the status of certain system inputs and outputs; the second part of the fault data
contains values, including currents, voltages, fault impedance, and distance to the fault.
11. ROUTINE VISUAL INSPECTION
With the exception of Routine Visual Inspection, the REL 352 relay assembly should be main-
tenance-free. A program of Routine Visual Inspection should include:
12. ACCEPTANCE TESTING
The customer should perform the REL 352 Acceptance Tests (
ment.
4-10
• IL 40-603 Remote Communication Program
• IL 40-606 Oscillographic and Recording Program
• Condition of cabinet or other housing
• Tightness of mounting hardware and fuses
• Proper seating of plug-in relays and subassemblies
• Condition of external wiring
• Appearance of printed circuit boards and components
• Signs of overheating in equipment
Power Automation and Protection Division
), which identify the cause
see Table 4-6
see Appendix I
REL 352 Version 1.00
as the ref-
AG
®
,
).
see Table 4-5
) on receipt of ship-
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