9. Program
9.1. Timing Charts
The timing charts of this ladder program are shown below.
The definitions of the timing chart patterns are as follows:
Pattern Normal end Error end (1)
PMCR instruction
Error end (2)
Communications
Error end (3)
Destination device
error error error
Command Normal Error Normal Normal
Destination
device
Normal or error Normal or error Error Normal
Response Yes None None Yes
77
Local_PMCRExecuting
(5000.01)
Receive data storage area
Input_Start
(
5000.00)
(5501
to 5506)
(5000.02)
Output_NormalEnd
Output_Error
(5000.
End
03)
Normal end
O
utput_PMCR_ErrorCode
(H400)
Output_DestinationDeviceErrorCode
(H402)
#0000
#0000
Normal resoponse
Normal resoponse
Local_PMCRExecuting
(5000.01)
Re rage a
(5501 t
tput_No
(5
Input
ceive data sto rea
o 5506)
Ou rmalEnd
000.02)
Start
(5000.00)
Output_E
(5
Outp
rrorEnd
000.03)
Error end (1)
PMCR instruction error
Error end (3)
Destination device error
Error end (2)
Communications error
O
utput_PMCR_ErrorCode
(H400)
ut_DestinationDeviceErrorCode
(H402)
#0002 to 4
#0000
#0000
#0010
Error response
#000F
#0000