Mitsubishi Electric FR-A720-0.4K Instruction Manual page 242

Function assignment of external terminal and control
Setting
Signal
Positive Negative
Name
Logic Logic
90 190 Y90
91 191 Y91
92 192 Y92
93 193 Y93
94 194 ALM2
95 195 Y95
96 196 REM
97 197 ER
98 198 LF
99 199 ALM
⎯
9999
*1 Note that when the frequency setting is varied using an analog signal or
frequency) signal may alternate on and off depending on that varying speed and the timing of the varying speed due to acceleration/deceleration
time setting. (The output will not alternate on and off when the acceleration/deceleration time setting is "0s".)
*2 When a power supply reset is performed, the alarm output 2 signal (ALM2) turns off as soon as the power supply switches off.
*3 Up to frequency SU, frequency detection FU, FU2, FU3 under encoder feed back control or vector control (option FR-A7AP is mounted) signals
are as below.
SU, FU: Output when the actual speed (frequency) by the encoder feedback signal exceeds detected specification frequency.
FU2, FU3: Output when the inverter output frequency exceeds detected specification frequency.
*4 This function is valid when the FR-A7AP (option) is mounted.
REMARKS
⋅ The same function may be set to more than one terminal.
⋅ When the function is executed, the terminal conducts at the setting of any of "0" to "99", and does not conduct at the setting of
any of "100" to "199".
⋅ The signal will not function if a value other than the above is set to any of Pr. 190 to Pr. 196.
⋅ When Pr. 76 Alarm code output selection = "1", the output signals of the terminals SU, IPF, OL and FU are switched as set in Pr.
76. (When an inverter alarm occurs, the signal output is switched to the alarm output.)
⋅ The output assignment of the terminal RUN and alarm output relay are as set above regardless of Pr. 76.
CAUTION
⋅ When terminal assignment is changed using Pr. 190 to Pr. 196 (output terminal function selection), the other functions may be
affected. Please make setting after confirming the function of each terminal.
⋅ Do not assign signals which repeat frequent ON/OFF to A1, B1, C1, A2, B2, C2. Otherwise, the life of the relay contact
decreases.
232
Function
Output when any of the control circuit
capacitor, main circuit capacitor and inrush
Life alarm
current limit circuit or the cooling fan
approaches the end of its service life.
Alarm output 3 Output when an error occurs due to the circuit
(power-off signal) failure or connection alarm of the inverter.
Turned on and off alternately every time the
Energy saving power saving average value is updated when
average value the power saving monitor is used.
updated timing Cannot be set to Pr. 195 and Pr. 196 (relay
output terminal).
Average current value and maintenance timer
Current average value value are output as pulses.
monitor signal Cannot be set to Pr. 195 and Pr. 196 (relay
output terminal).
Output when the inverter protective function
is activated to stop the output (major fault).
Alarm output 2 Continue outputting the signal during inverter
reset and stop outputting after reset is
cancelled.
Maintenance timer Output when Pr. 503 rises to or above the Pr.
signal 504 setting.
Output to the terminal when a value is set to
Remote output
the parameter.
When Pr. 875 = "0" (initial value), the signal is
output when the inverter protective function is
activated to stop the output (major fault).
When Pr. 875 = "1", the signal is output when
Minor fault output 2 the inverter protective function is activated at
occurrence of OHT/THM/PTC error and
deceleration is started.
Output when other protective functions are
activated to stop output.
Output when a minor fault (fan failure or
Minor fault output
communication error warning) occurs.
Output when the inverter protective function is
Alarm output activated to stop the output (major fault). The
signal output is stopped when a reset turns on.
⎯
No function
Operation
*2
of the operation panel (FR-DU07), the output of the SU (up to
Related Refer to
Parameters Page
Pr. 255 to Pr. 259 369
⎯
236
Pr. 52, Pr. 54,
Pr. 158, Pr. 891 to 268
Pr. 899
Pr. 555 to Pr. 557 373
⎯
236
Pr. 503, Pr. 504 372
Pr. 495 to Pr. 497 241
Pr. 875 266
Pr. 121, Pr. 244 317, 368
⎯
236
⎯ ⎯