Process Bus Modules - GE F35 Instruction Manual

WIRING
3
The phase voltage channels are used for most metering and protection purposes. The auxiliary voltage channel is used as
input for the synchrocheck and volts-per-hertz features, which are optional features available for some UR models.
Substitute the tilde "~" symbol with the slot position of the module in the following figure.
NOTE

3.3.5 Process bus modules

The F35 can be ordered with a process bus interface module. The module interfaces with the HardFiber Process Bus
System, or HardFiber Brick, allowing bidirectional IEC 61850 fiber optic communications with up to eight HardFiber Bricks.
The HardFiber system integrates seamlessly with the existing UR-series applications, including protection functions,
FlexLogic, metering, and communications.
This process bus system offers the following benefits:
• Reduces labor associated with design, installation, and testing of protection and control applications using the UR by
reducing the number of individual copper terminations
3-12
Figure 3-11: Zero-sequence core balance CT installation
Figure 3-12: CT/VT module wiring
Current inputs
8F, 8G, 8L, and 8M modules (4 CTs and 4 VTs)
Current inputs
8H, 8J, 8N, and 8R modules (8 CTs)
Voltage inputs
F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 3: INSTALLATION
842766A3.CDR