GE UR F35 Series Instruction Manual page 218

Multiple feeder protection system

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5.2 PRODUCT SETUP

DIRECT I/O DATA RATE

over direct inputs and outputs must be set to the same data rate. UR-series IEDs equipped with dual-channel communica-

tions cards apply the same data rate to both channels. Delivery time for direct input and output messages is approximately

0.2 of a power system cycle at 128 kbps and 0.4 of a power system cycle at 64 kbps, per each 'bridge'.

Table 5–9: DIRECT INPUT AND OUTPUT DATA RATES

The G.703 modules are fixed at 64 kbps. The

DIRECT I/O CHANNEL CROSSOVER

over messages from channel 1 to channel 2. This places all UR-series IEDs into one direct input and output network

regardless of the physical media of the two communication channels.

The following application examples illustrate the basic concepts for direct input and output configuration. Please refer to the

Inputs and outputs section in this chapter for information on configuring FlexLogic operands (flags, bits) to be exchanged.

to match the data capabilities of the communications channel. All IEDs communicating

SUPPORTED DATA RATES

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

64 kbps, 128 kbps

setting applies to F35s with dual-channel communication cards and allows crossing

F35 Multiple Feeder Protection System

setting is not applicable to these modules.

DIRECT I/O DATA RATE