98
37 Kiln with 4 thermocouples - 4 units ATR620
Configuration Master/Slave
Configuration Master/Slave is suitable also for plants requiring
more than two control loops. Still it is necessary to program one
single unit, simplifying programming and operating.
The following example describes a kiln with four control loops. Up
to 16 units can be connected if Waiting function is active to
monitor and compensate temperature gap among different zones,
or up to 32 units if this is not required. Digital input capabilities are
not available in this configuration because serial communication is
activated.
Programming of main parameters (values for Master in brackets):
P-01
0000
(0009)
Remote setpoint active only on Slaves
Last digit set to 9 for Master
Special functions desabled
P-02
1000 Select thermocouple K on input AN1, process 1
P-05
1001
(1000)
Control output for process 1 on OUT,
Remote setpoint by serial input only for slaves
P-06
0
Minimum temperature (lower limit scale) 0°C
P-07
1350 Max. temperature (upper limit scale) 1350°C
P-
17/18
0000 Digital inputs desabled
P-21 (120) Max. waiting time at step end: 120 minutes
P-22
(20) Max. gap setpoint/process and between processes
Above this value cycle stops until temperature
returns to limits
P-49
2010 Baudrate, format, communication delay
P-50
1…3
( 0)
Slave address 1 to 3
Enter address 0 for Master
