Mitsubishi Electric FR-A700 Instruction Manual page 40

Control circuit specifications
Terminal Terminal
Symbol Name
Inverter
RUN
running
Up to
SU
frequency
Overload
OL
warning
Instantaneous
IPF
power failure
Frequency
FU
detection
Open collector
SE
output common
For meter
FM
NPN open
collector output
Analog signal
AM
output
*1 Low indicates that the open collector output transistor is on (conducts).
High indicates that the transistor is off (does not conduct).
*2 Not output during inverter reset.
(3) Communication
Terminal Terminal
Symbol Name
PU
- - -- -- - -- -- -- - -- -- - -
connector
Inverter
TXD+
transmission
TXD-
terminal
Inverter
RXD+
reception
RXD-
terminal
SG Earth (Ground)
USB
- - -- -- - -- -- -- - -- -- - -
connector
30
Description
Switched low when the inverter output frequency is equal to or
higher than the starting frequency (initial value 0.5Hz). Switched
high during stop or DC injection brake operation.
Switched low when the output
frequency reaches within the range of
±10% (initial value) of the set frequency.
Switched high during acceleration/
deceleration and at a stop.
*1
Switched low when stall prevention is
activated by the stall prevention
function. Switched high when stall
prevention is cancelled.
*1
Switched low when an instantaneous
power failure and under voltage
protections are activated.
*1
Switched low when the inverter output
frequency is equal to or higher than the
preset detected frequency and high when
less than the preset detected frequency.
Common terminal for terminals RUN, SU, OL, IPF, FU
Select one e.g. output frequency from
monitor items.
*2
The output signal is proportional to the
magnitude of the corresponding
monitoring item.
With the PU connector, communication can be made through RS-485.
(for connection on a 1:1 basis only)
. Conforming standard : EIA-485 (RS-485)
. Transmission format : Multidrop
. Communication speed : 4800 to 38400bps
. Overall length : 500m (1640.42feet)
With the RS-485 terminals, communication can be made through RS-485.
Conforming standard : EIA-485 (RS-485)
Transmission format : Multidrop link
Communication speed : 300 to 38400bps
Overall length : 500m (1640.42feet)
The FR-Configurator can be performed by connecting the inverter to the personnel
computer through USB.
Interfase:Conforms to USB1.1
Transmission speed:12Mbps
Connector:USB B connector (B receptacle)
*1
Alarm code (4bit)
output (Refer to page
270)
*1
Output item:
Output frequency
(initial setting)
Signals can be output
from the open
collector terminals by
setting Pr. 291.
Output item:
Output frequency
(initial setting)
Description
Rated Refer to
Specifications page
236
236
Permissible load
24VDC (27VDC
maximum) 0.1A
(A voltage drop is
236
2.8V maximum
when the signal is
on.)
236
236
- - -- -- - -- -- -- - -- -- -- -- -- -
Permissible load
current 2mA
250
1440pulses/s at
60Hz
Maximum output
pulse: 50kpulses/s
372
Permissible load
current : 80mA
Output signal 0 to
10VDC
Permissible load
current 1mA 250
(load impedance
10kΩ or more)
Resolution 8 bit
Refer to
page
322
324
354