Railway Equipment 934, Operating Manual

Page: 16 / 62

P/N R9340-0104 16 © 2010 RAILWAY EQUIPMENT CO.
REV B
5/11
F. ELECTRICAL CONNECTION
1.
There are knockouts on the side and bottom of the control enclosure for incoming
electrical wires.
CAUTION
2. INCOMING POWER: The incoming power should be connected directly to the
main circuit breaker. The neutral should be connected to the neutral lug TS1-N.
The neutral should be grounded at the source.
3. GROUND: The chassis ground should be tied directly to earth ground.
4. CONTROL INPUT: Remote operator control can be provided by a circuit
closure applied between terminal posts TS1-1 and TS1-2.
5. INDICATION: Reply indication can be done two ways:
a. Dry contact closure: Terminal posts TS1-3 and TS1-4 will provide a dry
contact closure for indication when the unit is operating under remote
control.
b. +24 VDC: Place a jumper between terminal posts TS1-2 and TS1-4. +24
VDC indication is now present on post TS1-3 with common at terminal
post TS1-6.
6. FAIL: Reply fail can be done two ways:
a. Dry contact closure: Terminal posts TS1-7 and TS1-8 will provide a dry
contact closure for fail when the unit is in a fault mode.
b. +24 VDC: Place a jumper between terminal posts TS1-2 and TS1-7. +24
VDC fail is now present on post TS1-5 with common at terminal post
TS1-6.
THE 480VAC SUPPLY LINES SHOULD BE SIZED TO
ALLOW FOR THE AC MOTOR START-UP CURRENT.
REFER TO THE SPECIFICATIONS PAGE FOR START-
UP CURRENT. UNDERSIZED CONDUCTORS OR
LONG WIRE RUNS COULD DAMAGE THE MOTOR.
SPECIAL NOTE: THE CONTROL CHASSIS AND THE REST OF THE MAIN
HAB UNIT MUST BE CONNECTED TO GROUND/NEUTRAL. THE RUBBER
PAD BETWEEN THE RAIL AND TIE PLATE ALONG WITH THE E-CLIP
INSULATORS WILL INSULATE THE MAIN UNIT FROM THE TRACKS.