IBM 1402 Reference Manual page 70

START
RElAY
DU-2
DElAY TO GET
MOTOR TO SPEED
DROP R-29
MOTOR START
DROP HD-2
PUNCH MOTOR
PUNCH BR
CLC
R-24
MOTOR
START
R-29
DROP
RElAY 28
RUN
R-27
DIE CLC
R-23
Figure 6-4. Punch-Start and Run Data Flow
'4' IN
OP REG
THROAT CL
R-22
YES
PUNCH
MOTOR
HD-2
PCCB'S
FROM PROGRAM
IN PROCESSOR
YES
YES
PUNCH
MECHANISM
PACB'S