Functions
8.8 Fixed frequencies
Control Units CU240S
8-38 Operating Instructions, 11/2006, A5E00766042B AA
Examples
The fixed frequencies are selected via the digital inputs 4 … 6 and the analog/digital input
AI0.
● Standard method:
P0704 = 15, P0705 = 16, P0706 = 17 (default) and P0712 = 18, P1023 = 722.11
Each digital input (P0701 and the following) can be connected to each fixed frequency
selector input (P1020 … P1023) with the settings 15, 16, 17 or 18. The different settings
can only be chosen once. If the same setting of a digital input is chosen for more than
one digital input, then only the last setting is valid and the previous digital input setting is
reset to 0.
● BICO method:
P0704 … P0706, P0712 = 99, P1020 … P1022 = 722.3 … 722.5, P1023 = 722.11
(example: DI3 connects to selector P1020 → P0704 = 99, P1023 = 722.3)
Each digital input (P0701 and the following) can be BICO connected to each fixed
frequency selector input (P1020 … P1023). If the same setting of a digital input is chosen
for more than one digital input, then only the last setting is valid and the previous digital
input setting is reset to 0.
Table 8-16 Example of direct selection using digital inputs
FF number Frequency P1023 P1022 P1021 P1020
FF0 0 Hz 0 0 0 0
FF1 P1001 0 0 0 1
FF2 P1002 0 0 1 0
FF3 P1003 0 1 0 0
FF4 P1004 1 0 0 0
FF1+FF2 0 0 1 1
FF1+FF2+FF3 0 1 1 1
FF1+FF2+FF3+FF4 1 1 1 1
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