Mitsubishi Electric A173UHCPU User Manual page 27

1. SPECIFICATIONS OF MOTION SYSTEM COMPONENTS
Function
! Sets a constant time for one scan of a sequence program which is independent of the sequence
Constant scan program scan.
! Set the constant scan time between 10 ms and 2000 ms.
! The contents of devices set as latch devices are retained when a reset or a power interruption
Latch (hold on
over 20 ms occurs if the power is turned off.
power interruption)
! Devices L, B, T, C, D, W can be set as latch devices.
! Conducts remote RUN/STOP sequence control from external inputs or peripheral devices when
Remote
RUN/STOP the RUN/STOP switch is set to RUN.
! Stops the operation and holds the output (Y) ON/OFF status.
! The PAUSE status can be set by two method:
PAUSE
! With the remote PAUSE contacts
! From a peripheral device
! The contents of all devices are written to the CPU module status latch area when the status
latch conditions are met.
Status latch
! The contents of the devices stored in the status latch area can be monitored from a peripheral
device.
! The operating status of the designated device is sampled at the set interval, and the results are
Sampling trace stored in the CPU module sampling trace area.
! Data stored in the sampling trace area can be monitored from a peripheral device.
! Separates the devices (Y, M, L, S, F, B) used by the OUT instruction from the sequence
Off-line switch
program operations.
Error indicator
! Sets order in which the indicators light and go out when an error occurs.
order or priority
! Executes the CPU module internal clock operations.
! Clock data is: year, month, day, hour, minute, second, day of week.
Clock
! The clock data can be read to D9025 to D9028.
(b) SCPU functions
Refer to the A2SHCPU user's manual for details of the SCPU functions of
A171SHCPUN/A172SHCPUN and A3UCPU user's manual for details of
the SCPU functions of A173UHCPU.
Table 1.3 Table of SCPU Functions
Description
1 − 15