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Chapter 4. Functions
z
SP low and high limits
The SP low and high limits can be set for each control loop in order to specify the
SP range.
Item (bank)
Display
Description
Initial value
SP low limit
(SP configuration bank)
MENU > SP Config
SP low limit
−32000 to +32000
-32000
SP high limit
(SP configuration bank)
MENU > SP Config
SP high limit
−32000 to +32000
32000
•
The SP limit applies to the LSP and RSP of constant value operation and the SP
for pattern operation. It also applies to the SP ramp.
•
If the SP low limit is greater than the SP high limit, the low limit and the high
limit are automatically interchanged.
Handling Precautions
•
The SP is limited within the range of overlap between the SP low and high
limits and the PV range 0 to 100 %. If the ranges do not overlap, the value is
limited to the PV range.
•
If the version of the MAIN block firmware is earlier than 6.x.x (where x stands
for any number), the SP limit does not apply to a change of the LSP setting.
•
If the advanced loop type setting is enabled, the low and high limits on the
assignment range in the input assignment bank are used instead of the PV
range.
z
RSP tracking
RSP tracking can be set up for each control loop. When the mode is switched
from RSP to LSP, the value of the RSP is written to the LSP. If there are multiple
SP system groups, the value is written to the LSP that is selected when the mode is
switched.
However, RSP tracking is not done under the following conditions.
•
In READY mode
•
In MANUAL mode
Item (bank)
Display
Description
Initial value
RSP tracking
(SP configuration bank)
MENU > SP Config
RSP tracking
0: Tracking OFF
1: Tracking ON
0