Simplex 4100ES - Figure 6-2. the EOL Relay

6-4
Chapter 6 4100ES SPS Field Wiring
General Field Wiring Guidelines (continued)
Power-Limited
Guidelines
• Auxiliary power only: Supervision must be provided if the auxiliary power circuit is to be wired as a
power-limited circuit. In order to connect a circuit using power-limited wiring, the devices being
powered must all be addressable, or a UL Listed EOL relay must be used to supervise the circuit.
Refer to Figure 6-2 for wiring directions for the EOL relay.
Figure 6-2. The EOL Relay
2098-9739
END OF
LINE RELAY
TO AUX POWER
RED BLACK
LAST IDC
DEVICE
YELLOW
RESISTORIDC
Note: The 2098-9739 Relay is
used as an example.
Other UL Listed 24VDC
EOL relays can be used,
depending on the
application.