3 Functional description of the structure switches
3.4 Controller types (S1, S42 to S45)
Manual
SIPART DR21
C73000-B7476-C143-08
81
input (AI1 to AI4) by S15 (x1) and S16 (x2). In this case the unlinearized process variable is
displayed in display order position II and the linearized process variable in position III.
Of course it is also possible to use the x1-display channel separately from the two analog
displays as a third display channel.
Another display channel is available with the two-digit y-display via Y
R
.
D Process display, one-channel analog display with parallel,
digital display and displayed limit values
see fig. 3-16, page 82
The red analog display is fed via x2, a parallel physical digitual display is possible by assign-
ing x1 via S15 to the same analog input if the linearizer is assigned to x1 by S21 = 5 and the
display range is set by dA, dE to oFPA-mode.
Of course it is also possible to use the x1-display channel separately from the two analog
displays as a second display channel.
A third display channel is available with the two-digit y-display via yR.
Via S80 = 5/6 the limit values A1, A2 or A1 to A4 can be displayed on the green analog dis-
play with a resultion of 3 %. When assigning the limit values to the displayed process vari-
able in the red analog display, the position of the process variable to the limit values can be
read. If a limit value responds, this is signaled by the corresponding alarm lamp (20) and the
flashing alarm-LED on the green bargraph. The alarms can be labeled on the replaceable
scale (21).
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