318
(7) CH
Proportional band (P) setting (address: 102H, 132H, 162H, 192H)
,
CH
Heating proportional band (Ph) setting (address: 102H, 132H, 162H,
192H) ,
CH
Cooling proportional band (Pc) setting (address: 1C4H,
1C9H, 1CEH, 1D3H)
Set proportional band (P), heating proportional band (Ph), and cooling proportional band (Pc) to perform PID
control. (In the heating-cooling control, set heating proportional band (Ph) to 102H, 132H, 162H, 192H.)
(a) Setting range
Set the value within the following ranges for the full scale of the set input range. (
• Proportional band (P) setting: 0 to 10000 (0.0% to 1000.0%)
• Heating proportional band (Ph) setting: 0 to 10000 (0.0% to 1000.0%)
• Cooling proportional band (Pc) setting: 1 to 10000 (0.1% to 1000.0%)
Ex.
When remote buffer memory values are set as shown below, the proportional band (P) is 60
.
• CH
Input range (address: 100H, 130H, 160H, 190H): 38 (temperature measurement range -200.0
to
400.0
)
• CH
Proportional band (P) setting (address: 102H, 132H, 162H, 192H): 100 (10.0%)
(Full scale)
(Proportional band (P) setting) = (400.0
- (-200.0
))
0.1 = 60
(b) Two-position control
Set the proportional band (P) and heating proportional band (Ph) to 0.
For details on Two-position control, refer to the following.
(c) Enabling the setting
Enable the setting contents by either of the following.
• Turning off and on Initial data setting request flag (RY9) while the operations of all channels are stopped
• Turning off and on During operation setting change instruction (RY10)
(d) Default value
The default values are set to 30 (3.0%) in all channels.
If the proportional band (P)/heating proportional band (Ph) is set to 0 (0.0%), the auto tuning cannot be performed. To
perform the auto tuning, set proportional band (P)/heating proportional band (Ph) to other than 0.
For details on the auto tuning function, refer to the following.
Standard
Heating-cooling
Heating-cooling
Содержание NZ2GF2B-60TCRT4
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