Data Exchange with the Central Controller
4–39
IP244
C79000–B8576–C860–02
2.3 Message 15
Message 15 contains general parameters and the main control bytes.
Main control byte 2
Main control byte 1
Main control byte 4a
Main control byte 4d
Main control byte 4c
Main control byte 5
Main control byte 6
Approach zone (hot channel)
Switchover value for comparator
(channel 13)
Approach manipulated variable (hot channel)
Approach setpoint (hot channel)
Free
Normalization factor for channel 13
Main control byte 7
Max. temperature difference (ST)
Acquisition duration (channel 13)
Approach time (hot channel)
Monitoring time (emergency program)
Normalization factor for channel 14
0 to 1024,1 unit = 10 mV (jumper D open)
1 unit = 20 mV (jumper D inserted)
(not used in variant Ć3AB31)
0 to 3600 s,  1 unit = 1 s
0 to 60 min,  1 unit = 1 min
0 to 100 %
0 to 1600 °C
°C/min   (1 to 255)
0 to 255 °C
Free
min. 3.3 s/30 values, 6.6 s/60 values, max. =255 s
Fig. 2.3/1  Structure of message 15
(ST) Need not be specified with the selfĆtuning function
Coolant temperature
Free
Message number (15)
Main control byte 3
Main control byte 4
0 to 100, 1 unit = 1 °C  or 32 to 212, 1 unit = 1 °F
Main control byte 4b
1
0
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Byte 0/1 Switchover setpoint for the comparator (not used in variant -3AB31)
The value entered at channel 13 is supplied to a comparator along with the
switchover setpoint specified in units and converted to an analog value.
A maximum of 1024 units can be specified. The comparator output is set to 1 when
the switchover setpoint is reached.
If jumper D is inserted, the selected value (maximum 1024 units) corresponds to
an input value of maximum 20.48 V (corresponding to 2048 units).
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