IMO iSmart V4 - Page 150

Chapter 5 Relay Ladder Logic Programming 136
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Data register screen on HMI display DR preset value in stop mode and display DR current value in run mode.
STOP
RUN (DR01 = C01 current value)
DR65~DRF0 can retain the current value when iSmart is stopped or powered down.
The last 40 DR registers that from DRC9 to DRF0 are special data register as shown below.
DRD0 ~ DRE3 as special registers used to set parameters, the output value function is as follows:
No.
Function description
DRD0
AQ01 output mode
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;
DRD1
AQ02 output mode
DRD2
AQ03 output mode
DRD3
AQ04 output mode
DRD4
AQ01 output value
Analog output value 0~4095;
DRD5
AQ02 output value
DRD6
AQ03 output value
DRD7
AQ04 output value
DRD8
I/O interface hidden
Refer to “Chapter3:LCD Display and Keypad > Original screen”
DRE1~DRE3
Reserved;