Siemens SIPROTEC 7SJ62 Manual page 529

Multi-functional protective relay with local control

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Table of Contents

Device-specific Limits

Maximum number of synchronous

changes of chart inputs per task level

Maximum number of chart outputs per

Additional Limits

When the limit is exceeded, an error message is output by the device. Consequently, the device starts mon-

itoring. The red ERROR-LED lights up.

The following condition applies for the maximum number of timers: (2 · number of TIMER + number of

TIMER_SHORT) < 30. TIMER and TIMER_SHORT hence share the available timer resources within the

frame of this inequation. The limit does not apply to the LONG_TIMER.

The time values for the blocks TIMER and TIMER_SHORT must not be selected shorter than the time res-

olution of the device, as the blocks will not then start with the starting pulse.

Maximum Number of TICKS in the Task Levels

MW_BEARB (Measured Value Processing )

PLC1_BEARB (Slow PLC Processing )

PLC_BEARB (Fast PLC Processing )

SFS_BEARB (Interlocking )

When the sum of TICKS of all blocks exceeds the limits before-mentioned, an error message is output by

SIPROTEC, 7SJ62/64, Manual

C53000-G1140-C207-2, Release date 01.2008

When the limit is exceeded, an error message is output by

the device. Consequently, the device starts monitoring. The

red ERROR-LED lights up.

Additional limits

for the following CFC blocks:

Maximum Number of Modules in the Task Levels

4.24 User-defined Functions (CFC)

Technical Data

Limit in TICKS