60 ELECTRICAL MOTOR CONTROLS for Integrated Systems WORKBOOK
Assigning Wire-Reference (Terminal) Numbers. Complete the required information for the line diagram.
2. List the reference wire (terminal) number for each wire in the Security Door Lock System. Start by marking L1 as wire number 1 and L2 as wire number 2. After marking wires as number 1 and number 2, assign numbers from the top left of the diagram to the bottom right. Number every wire in the circuit.
OUTSIDE KEY SWITCH
INSIDE KEY SWITCH
CR2
RED LAMP INDICATES OUTSIDE KEY USED (LAMPS AT SECURITY STATION)
YELLOW LAMP INDICATES INSIDE KEY USED
CR1
CR2
(TR)
OFF-DELAY SET FOR 5 SEC
TIMER ALLOWS SOLENOID TO REMAIN ON FOR 5 SECONDS AFTER KEY IS REMOVED
SOLENOID LOCK
INSIDE PUSHBUTTON
SECURITY DOOR LOCK SYSTEM
When wiring control stations, wire-reference numbers are used (usually added to wires) to help keep track of the wires in the system. Given each line diagram with wire-reference numbers, list the wire-reference number that would be used to identify each wire coming from the control stations.
3.
4.
5.
6.
PILOT LIGHT
START
STOP
(L1)
①
STOP
START
OL
M
PILOT LIGHT