Data Exchange with the Central Controller
IP244
C79000–B8576–C860–02
4–42
Byte 21 Main control byte 6
Number of standard
controllers
One Two Three Four Five Six Seven
Hot channel zones
0 to 5 0 to 5 0 to 5 0 to 5 0 to 5 0 to 5 0 to 5
Standard controller zones
6 6 and 7 6 to 8 6 to 9 6 to 10 6 to 11 6 to 12
Minimum possible sampling
times for hot channel
controller for ADC
conversion time 50 ms
400 ms 400 ms 400 ms 400 ms 400 ms 400 ms 400 ms
Minimum possible sampling
times for standard controller
for ADC conversion time 50
ms
480 ms 800 ms 1200 ms 1600 ms 2000 ms 2400 ms 2800 ms
Minimum possible sampling
times for hot channel
controller for ADC
conversion time 60 ms
480 ms 480 ms 480 ms 480 ms 480 ms 480 ms 480 ms
Minimum possible sampling
times for standard controller
for ADC conversion time 60
ms
480 ms 960 ms 1440 ms 1920 ms 2400 ms 2880 ms 3360 ms
Maximum value of
temperature increase
(C/min) permitted during
selfĆtuning of the standard
controllers at an ADC
conversion time of 50 ms
273 136 91 68 54 45 39
Maximum value of
temperature increase
(C/min) permitted during
selfĆtuning of the standard
controllers at an ADC
conversion time of 60 ms
227 113 75 56 45 37 32
If mixed operation has been selected, the IP cannot execute the following functions simultaneously:
– special function
– heating current monitoring
– Pt 100 operation
– processing of channels 13 and 14
– comparator
– pure hot channel control and
– cascaded control.
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