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Using T-GEN 50 with 4100ES-S1,
Controlling a
T-GEN 50 from a NAC
Output
A T-GEN 50 can be controlled and supervised using a NAC output. The NAC is used to
control the ALM- input to the T-GEN 50 and to supervise its Fault relay output. The
T-GEN 50 is configured to supervise the 100V wiring to the loudspeakers.
Figure 5-6 shows the wiring between the T-GEN 50 and the NAC terminals.
The detail of the 24V supply is not shown, but the T-GEN 50 0V MUST be common with
the 4100ES 0V (this will always be the case when using the AUX POWER supply as
described earlier).
The NAC output must be programmed as a SIGNAL point type, so that it automatically
operates on Alarm, and provides reverse polarity supervision to the 10k EOLR.
The configuration templates already have NAC3 programmed as a suitable output to drive
the T-GEN 50.
Mains rated cable for
100V speaker wiring
Figure 5-6. NAC Connection to a T-GEN 50
Continued
NO
NC
COM
10 k ohm
resistor
DEF-
SIG
A/I/E-
ALM-
0V
0V
+24V
+24V
Auto 150 (1.0 mm
or heavier
EARTH
LINE -
LINE +
Connector
block mounted
on bracket
5-12
To NAC B
Terminals
To AUX
POWER
2
)
Continued on next page
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