Rockwell Automation T8871 Trusted 16 Channel 120V ac Digital Output FTA - Manual (Page 7)

Trusted
TM
120Vac Digital Output FTA T8871
Issue 2 Feb 08 PD-T8871 7
1. Description
The Trusted TM 16 Channel 120Vac Digital Output FTA T8871 provides termination for a maximum of
16 output channels. Figure 2 below shows the configuration of a single channel.
Figure 2 Single Channel Schematic
The supply for the field is connected via terminal blocks TB2 and TB4 on the FTA. This is supplied to
the module on sockets SK2 and SK4 via harmonic and transient protective devices as shown.
The output signals to the field (16-off) are connected from the module on sockets SK1 and SK3. These
connect to the field by 3-wire arrangements terminated on 2-off 24-way terminal blocks TB1 and TB3.
MODULE
CONNECTIONS FIELD
CONNECTIONS
L
N DISTRIBUTION
E
100uH
L
N
CHANNEL
E VARISTORS
150VAC 50A