Mitsubishi FR-A740-00023-EC, Инструкция по эксплуатации

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25
Control circuit specifications
2
W
IRING
*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
Op
en
c
oll
e
cto
r
RUN
Inverter
running
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.
*1
Permissible load
24VDC (27VDC
maximum) 0.1A
(A voltage drop is
2.8V maximum
when the signal is
on.)
230
SU
Up to
frequency
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
Alarm code (4bit)
output (Refer to
page
263 )
230
OL
Overload
warning
Switched low when stall prevention is
activated by the stall prevention
function. Switched high when stall
prevention is cancelled.
*1
230
IPF
Instantaneous
power failure
Switched low when an instantaneous
power failure and under voltage
protections are activated.
*1
230
FU
Frequency
detection
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.
*1
230
SE
Open collector
output common
Common terminal for terminals RUN, SU, OL, IPF, FU -------------------- -----
A
nal
og
CA
Analog current
output
Select one e.g. output frequency from
monitor items.
*2
The output signal is proportional to the
magnitude of the corresponding
monitoring item.
Output item:
Output frequency
(initial setting)
Load impedance
200
Ω
to 450
Ω
Output signal 0 to
20mADC
251
AM
Analog voltage
output
Output signal 0 to
10VDC
Permissible load
current 1mA
(load impedance
10k
Ω
or more)
Resolution 8 bit
251
Ty
p
e
Terminal
Symbol
Terminal
Name
Description
Refer to
page
RS-4
8
5
--------------------
PU
connector
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
315
R
S
-485
te
rm
ina
ls
TXD+
Inverter
transmission
terminal
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
317
TXD-
RXD+
Inverter
reception
terminal
RXD-
SG Earth (Ground)
USB
--------------------
USB
connector
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)
347
Ty
p
e Terminal
Symbol
Terminal
Name
Description
Rated
Specifications
Refer to
page