5-2SectionEntering the Program
64
5-2-3 Ladder Programming Example

In this example, the SRM1s distributed I/O is used to control a lift (e.g., a dumb

waiter) connecting a kitchen on the first floor and a customer serving area on the

second floor.

MC2 LS22 MC22
MC21
L2
PB2
LS2
LS21
LS1
MC1
LS11
MC12
MC11
L1
PB1
SRM1 SRT1-ROC08
Node #1
(Output word 10,
bits 8 to 15)
SRT1-ID04
Node #1
(Input word 0, bits 8 to 11)
SRT1-ROC08
Node #0
(Output word 10,
bits 0 to 7)
SRT1-ID04
Node #0
Input word 0,
bits 0 to 3
SRS1-T