Relay Internal Jumper Settings; Relay Electrical Connections - GE Bently Nevada 1900/27 Operation And Maintenance Manual

2.7.2 Relay Internal Jumper Settings

Section 2.2.4 shows how to set the Relay option. Table 2.9 summarizes the effect
of the Relay option.
TABLE 2.9: Relay Connections by Normally
Energized/De-energized Jumper Settings
TERMINAL
If the relay is configured as normally energized then the normally open (NO) and
normally closed (NC) connections are reversed from that shown on the label. Use
normally energized if you want the relay to change state if the monitor loses
power.

2.7.3 Relay Electrical Connections

The following tools and supplies are required for connecting cable to the relay
terminal strip:
• Wire stripper
• Crimp tool
• A phillips or straight screwdriver
• Crimp type ring or spade lugs
• Cable (maximum conductor size: 16 AWG)
RELAY OPTION SETTING
(state of the relay with no alarm)
Normally De-
energized
4 closed
5 ARM
6 open
7 closed
8 ARM
9 open
Section 2 - Installation
Normally Energized
open
ARM
closed
open
ARM
closed
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