Mitsubishi Electric FR-F820-00046 Instruction Manual page 251

Any speed can be selected by simply turning ON/OFF the contact signals (RH, RM, RL, and REX signals).
Pr.
28 Multi-speed input compensation
D300 selection
4
Multi-speed setting (high speed) 60 Hz
D301
5 Multi-speed setting (middle
D302 speed)
6
Multi-speed setting (low speed)
D303
24
Multi-speed setting (speed 4)
D304
25
Multi-speed setting (speed 5)
D305
26
Multi-speed setting (speed 6)
D306
27
Multi-speed setting (speed 7)
D307
232
Multi-speed setting (speed 8)
D308
233
Multi-speed setting (speed 9)
D309
234
Multi-speed setting (speed 10)
D310
235
Multi-speed setting (speed 11)
D311
236
Multi-speed setting (speed 12)
D312
237
Multi-speed setting (speed 13)
D313
238
Multi-speed setting (speed 14)
D314
239
Multi-speed setting (speed 15)
D315
 Multi-speed setting (Pr.4 to Pr.6)
• The inverter operates at frequencies set in Pr.4 when the RH signal is ON, Pr.5 when the RM signal is ON, or Pr.6 when
the RL signal is ON.
Forward rotation start
Reverse rotation start
High speed
Middle speed
Switch
NOTE
• In the initial setting, if two or more speed switches (signals) are simultaneously turned ON, priority is given to the switch (signal)
for the lower speed. For example, when both RH and RM signals turn ON, the RM signal (Pr.5) has the higher priority.
• The RH, RM and RL signals are assigned to the terminals RH, RM and RL, respectively, in the initial status. To assign each
signal to a different terminal, set "0" (RL signal), "1" (RM signal), or "2" (RH signal) in any of Pr.178 to Pr.189 (Input terminal
function selection).
 Multi-speed setting for 4th speed or more (Pr.24 to Pr.27, Pr.232 to Pr.239)
• The frequency from 4th speed to 15th speed can be set according to the combination of the RH, RM, RL, and REX signals.
Set the running frequencies in Pr.24 to Pr.27, Pr.232 to Pr.239. (In the initial status, 4th to 15th speeds are invalid.)
250
5. PARAMETERS
5.6 (D) Operation command and frequency command
Initial value
Name
FM
0
30 Hz
10 Hz
9999
Inverter
STF
STR
RH
RM
Low speed
RL
SD
Setting range
CA
0
1
50 Hz 0 to 590 Hz
0 to 590 Hz
0 to 590 Hz
0 to 590 Hz, 9999
RH
RM
RL
Description
Without compensation
With compensation
Sets the frequency when RH is ON.
Sets the frequency when RM is ON.
Sets the frequency when RL is ON.
Frequency from 4th speed to 15th speed can
be set according to the combination of the RH,
RM, RL and REX signals.
9999: Not selected
Speed 1
(High speed)
Speed 2
(Middle speed)
Speed 3
(Low speed)
Time
ON
ON
ON