Mitsubishi Electric 800 Series Instruction Manual page 448

• For the Y229 and Y230 signals, assign the functions to output terminals using the Pr.190 to Pr.196 (Output terminal
function selection).
Output signal Pr.190 to Pr.196 setting
Positive logic
Y229 229
Y230 230
• To monitor the input pressure, set "69" in the monitor selection parameters. (0.1% increments)
Monitor type
PID input pressure value 69
For reverse action
Input pressure
Input pressure warning level
(Pr.1378)
Input pressure fault level
(Pr.1379)
Set point
Y229
Y230
Output frequency
NOTE
• When the control switches between the first PID control and second PID control while the set point is changed by the
Pr.1380 setting value or while the Y229/Y230 signal is output, the set point returns to its original value or the signal turns
OFF, and the detection restarts.
• When the PID input pressure control function and the PID upper/lower limit pre-warning function are used simultaneously,
each function may change the set point. When the set point change is attempted by both functions, the change by the PID
input pressure control function has priority.
• When the PID input pressure control function and the PID sleep boost function are used simultaneously, each function may
change the set point. When the set point change is attempted by both functions, the change by the PID input pressure
control function has priority. (The sleep state is established without applying the set point change by the PID sleep boost
function.)
Negative logic
329
330
Parameter setting
Pr.52, Pr.774 to Pr.54
Pr.776, and Pr.992 (Terminal CA
(Operation panel output)
indication)
69
Input pressure
Pr.1370 Pr.1370 Pr.1370 Pr.1370 Pr.1370 Pr.1370
Pr.1380
Pr.1373 Pr.1373
ON
Pr.158
(Terminal AM
output) dedicated monitor
69 H45
Pr.1370 Pr.1370 Pr.1370
ON
When Pr.1381 = "0"
When Pr.1381 = "1"
Output shutoff
(Pr.1381 = "0")
When Pr.1381="1", operation can be
restarted after the input pressure
reaches or exceeds the Pr.1378 setting.
Communication monitor code
RS-485 MODBUS RTU
communication real time
monitor
(hexadecimal)
40269
Time
Time
ON
Deceleration stop Deceleration stop Deceleration stop
(Pr.1381 = "1") (Pr.1381 = "1") (Pr.1381 = "1")
Time
5. PARAMETERS
5.11 (A) Application parameters
3
4
5
5
5
6
7
8
9
10
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