CTH200 Series PLC User Manual
Permanent storage command register
00 =Byte; 01 =Byte; 10 =Word; 11 =Double Word
Store into permanent storage, S7-200 reset the bit after each
storage operation.
0 = No request of executing storage
1 = User program applies to permanent storage for data storage
The V memory address of stored data, which is offset from V0.
When executing a storage command, store data into the
corresponding location in permanent storage.
SMB34 and SMB35: Timing interrupt interval register
SMB34 and SMB35 define the interval between timed interrupts 0 and 1. You can specify the
time interval (incremented by 1ms) from 1ms to 255ms. If the corresponding timed interrupt
event is connected to an interrupt service routine, the CTH200CPU gets the interval value. To
change the interval, you must either reallocate timed interrupt events to the same or another
interrupt program, or terminate timed interrupt events by interrupt detach.
Time interval value of timing interrupt 0
Time interval value of timing interrupt 1
SMB36 to SMB65: HSC0, HSC1 and HSC2 register
SMB36 to SMB65 are used to monitor and control operation of HSC0, HSC1 and HSC2. Detailed
description is shown in the following table:
HSC0 current count direction bit: 1=addition count
HSC0 current value equal to preset value bit: 1=equal
HSC0 current value more than preset value bit: 1=more than
Reset valid control bit: 0= high level reset valid, 1=low level reset
valid
Count speed selection of orthography counter: 0=4x count speed;
1=1x count speed
HSC0 direction control bit: 1= addition count
HSC0 update direction: 1= update direction
HSC0 update preset value: 1=write new preset value to HSC0
HSC0 update current value: 1=write new initial value to HSC0
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