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5.3
Status Bits of the DI/DO
Overview
The process image of the digital I/O can be displayed using a C7 system
function. There are two different states:
In STOP mode, the real process status for the outputs = 0. The process image
displayed may differ from this; it is the last thing to be set by the control
program.
Selecting the DI/
You do not require any server password level to select the DI/DO status
DO Status Display
display. You can select the function by pressing
Figure 5-3
Table 5-1
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
Inputs are read directly from the process and are displayed in BIN format.
Outputs are read from the process image (PIQ) and are displayed in BIN
format.
DI: 00000000 0.7-0.0
00000000 1.7-1.0
DO: 11001000 0.7-0.0
10101000 1.7-1.0
CPU-MODE:
RUN
RUN-P
RUN
STOP
DI/DO Status Bits in a C7
Explanation of the DI/DO Display in Figure 5-3
Point
Signal state of the DI/DO
1 DI/DO set
0 DI/DO reset
Pin number from - to. See also connector pin assignment in Section
2.5.
C7 Digital Input/Output
simultaneously.
A–Z
MRES
ESC
Explanation
5
5-7
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