Chapter 3 Program Tools 39
Special DR Register Function
If the special DR coil, DR65~DRF0, is used as a special register, it does not need to be enabled; it works as
common register (its current value will equal to the pre-set value) once it is enabled.
The DR65~DRF0 can retain the current value when stop or power down.
DRD0 ~ DRE3 as special registers used to set parameters, the output value function is as follows:
0, voltage mode and reset value when stop;
1, current mode and reset value when stop;
2, voltage mode and keep value when stop;
3, current mode and keep value when stop;
Analog output value 0~4095;
Refer to “Chapter3:LCD Display and Keypad > Original screen”
DRC9~DRCF and DRD9~DRF0 as special registers used to store status, the output current value function is as
follows:
Output pulse number of instructions PLSY
AT01 current degree Fahrenheit
Used as normal registers when no AT01~AT04
input, such as don’t connect
module 4PT;
AT02 current degree Fahrenheit
AT03 current degree Fahrenheit
AT04 current degree Fahrenheit
Save RTC function mode5 sunrise time
Save RTC function mode5 sunset time
Year/Month/Day/Week/Hour/Min/Sec
M/N
The configuration is in Model System Set Dialog.
When running, the number of last enable M/N will be
kept in DRE0.
A05 input electric current
0~2000
Used as normal registers when no A05~A08 analog
input, such as don’t connect
4AI;
A06 input electric current
0~2000
A07 input electric current
0~2000
A08 input electric current
0~2000
Used as normal registers when no A01 and A02 analog
input, such as AC type;
Used as normal registers when no A03 and A04 analog
input, such as AC type or 12points DC type;
Used as normal registers when no A05~A08 analog
input, such as don’t connect
4AI.
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