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Simplex 2120 Multiplex - Page 48

Simplex 2120 Multiplex
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Relays K2, K3, and K4 may have their circuits supervised; however, only 28-volt circuits can be supervised. If you
wish to supervise relays K2, K3, or K4 you must forfeit monitor points 6, 7, and 8 respectively. To supervise the
wiring from a relay to the device, five jumper wires must be added - See Table N.
TABLE N
1 TO SUPERVISE 1 ADD JUMPERS 1
I
K2
I
JWll throuah JW15
I
I
K3 1 JW16 through JW20 1
I
K4
I
JW9,10,21,22, and 23 I
We can also add jumpers to have TB2-1 through TB2-4 output 0 volts when the associated relay is picked, or
when a specific transponder condition exists (refer to Figure 21). Select the jumpers as follows:
Jumper wire JW2 will have TB2-4 output 0 volts
when Kl is picked.
Jumper wire JW4 will have TB2-3 output 0 volts
when K2 is picked.
Jumper wire JW6 will have TB2-2 output 0 volts
when K3 is picked.
Jumper wire JW8 will have TB2-1 output 0 volts
when K4 is picked.
Jumper wire JW5 will have TB2-2 output 0 volts
when the transponder is in local mode.
Jumper wire JW3 will have TB2-3 output 0 volts
when the transponder detects an open or short
on any one of its monitor points.
Jumper wire JWl will have TB2-4 output 0 volts
when the transponder detects a short or
abnormal condition on any of its monitor points.
Jumper wire JW7 will have TB2-1 track the input
to TB2-7.
FIGURE 21
.
46
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