Alarm - GE Multilin G500 Instruction Manual

CHAPTER 4: INTERFACES
The Multi-Stream Transport (MST) feature in Display Port, for daisy-chaining monitors, is
supported only for the Windows Operating System.
Each display port is fused separately. For normal operation don't exceed 0.5 A per
connector. The cumulative current draw of the two ports is limited to 0.5A due to Thermal
and power budget restrictions.

Alarm

At the rear of the unit an Alarm output connector is located.
This connector has three contacts NO, C and NC. This are the contacts of a solid state relay
controlled by the watchdog and software. The relay voltage should be Limited to switching
up to 48VAC or 75VDC with maximum 100mA to comply with IEC 61850-3. If 61850-3
Compliance is not required, the relay may switch up to 300VAC or 300VDC.
This Port is isolated from the rest of system in accordance to IEC60950 for use with mains.
42 GE INFORMATION G500 SUBSTATION GATEWAY INSTRUCTION MANUAL