GE B90 User Manual

3-26 B90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
WIRING CHAPTER 3: INSTALLATION
3
Figure 3-23: Active impedance contact input V-I characteristic
3.3.6 RS232 port
A nine-pin RS232C serial port is located on the front panel for programming with a computer. All that is required to use this
interface is a computer running the EnerVista UR Setup software provided with the relay. Cabling for the RS232 port is
shown in the following figure for both 9-pin and 25-pin connectors.
The baud rate for this port can be set, with a default of 115200 bps.

GE B90 Specifications

General

Brand	GE
Model	B90
Category	Relays
Language	English