Data Exchange with the Central Controller
IP244
C79000–B8576–C860–02
4–66
Message 21
This message contains the ”cumulative setpoints”, formed under the influence of the master
controller in cascaded control (see Section 3.2).
2.6 Messages 22 to 63
The messages described here perform the functions of the previous module 6ES5 244-3AA13 and
include certain extra functions.
If still more additional functions are activated or required, the following messages must have
parameters set and must be evaluated.
Messages 22 to 25
These messages contain 60 measured values read in by the special function at channel 13 (see
Section 3.4).
Messages 26 to 29
Free
Messages 30 to 42
If bit 2 is set to 1 in main control byte 1, the further parameters for controllers 0 to 12 are contained
in messages 30 to 42 in bytes 6, 7 and 14 to 25. Bytes 14 to 25 must only be entered for 3-step
controllers. If a 2-step controller is only required for cooling, the parameters are in messages 0 to
12.
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