Type B Vital Relays - Alstom

Installation
Table 3–3. Microchron II Timer Relay (DC) Installation Procedure (Cont.)
Step
Procedure
6 For a new installation, install the plugboard in the Type B relay rack, connect the
power as shown, and wire the contacts as required by the external circuits.
(FRONT VIEW)
46 56 66
(FRONT VIEW)
46 56 66
64
63
43 53
42
52
51
61
(–)
A
FILTER
64
63
43 53
42
52
51
61
TIMER
ASSEMBLY
TIMER
ASSEMBLY
I
O
I
O
I
O
I
O
6E
(+)
(–)
3E
4E
6E
(+)
WIRING OF MICROCHRON TIMER FOR DC OPERATION
WIRING OF MICROCHRON TIMER FOR OPERATION ON
UNFILTERED FULL-WAVE RECTIFIED AC
THICK WIRING IS PLUGBOARD WIRING .
THIN WIRING IS WIRING WITHIN THE RELAY.
I = "IN" LEAD
O = "OUT" LEAD
7 Attach the mating registration plate (packed with the Microchron II Timer Relay)
to the plugboard and plug in the timer.
P1457, Rev. Nov/07 3–9 Alstom Signaling Inc.