Mitsubishi Electric A800 Plus Instruction Manual page 45

Control circuit
Communication
Terminal Terminal
symbol
Ethernet
—
connector
— PU connector
Inverter
TXD+
transmission
TXD-
terminal
Inverter
RXD+
reception
RXD-
terminal
GND Earthing
(SG) (grounding)
USB A
connector
—
USB B
connector
Safety stop signal
For the safety stop function, refer to
Terminal
Terminal name
Symbol
Safety stop input
S1
(Channel 1)
Safety stop input
S2
(Channel 2)
Safety stop input
SIC
terminal common
Safety monitor output
So (SO)
Open collector output
Safety monitor output
SOC
terminal common
44
INSTALLATION AND WIRING
name
Communication can be made via Ethernet.
Category: 100BASE-TX/10BASE-T
Data transmission speed: 100 Mbps (100BASE-TX) / 10 Mbps (10BASE-T)
Transmission method: Baseband
Maximum segment length: 100 m between the hub and the inverter
Number of cascade connection stages: Up to 2 (100BASE-TX) / up to 4 (10BASE-T)
Interface: RJ-45
Number of interfaces available: 1
IP version: IPv4
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 link
Communication speed: 4800 to 115200 bps
Wiring length: 500 m
The RS-485 terminals enable the communication by RS-485.
Conforming standard: EIA-485 (RS-485)
Transmission format: Multidrop link
Communication speed: 300 to 115200 bps
Overall length: 500 m
A connector (receptacle)
A USB memory device enables parameter copies and the trace
function.
Mini B connector (receptacle)
Connected to a personal computer via USB to enable setting,
monitoring, test operations of the inverter by FR Configurator2.
page 54.
Terminals S1 and S2 are used for the safety stop input signal for the
safety relay module. Terminals S1 and S2 are used at the same time
(dual channel).
Inverter output is shutoff by shortening/opening between terminals S1
and SIC, or between S2 and SIC.
In the initial status, terminal S1 and S2 are shorted with terminal PC by
shorting wires. Terminal SIC is shorted with terminal SD. Remove the
shorting wires and connect the safety relay module when using the safety
stop function.
Common terminal for terminals S1 and S2.
Indicates the safety stop input signal status.
Switched to LOW when the status is other than the internal safety circuit
failure. Switched to HIGH during the internal safety circuit failure status.
LOW is when the open collector output transistor is ON (conducted).
HIGH is when the transistor is OFF (not conducted).
Refer to the Safety stop function instruction manual (BCNA23228-001)
when the signal is switched to HIGH while both terminals S1 and S2 are
open. (Please contact your sales representative for the manual.)
Common terminal for terminal So (SO).
Terminal function description
Terminal function description
Interface: Conforms to USB 1.1
(USB 2.0 full speed
compatible)
Transmission speed: 12 Mbps
Rated
specification
Input resistance
4.7 kΩ
Input current 4 to 6
mADC (with 24 VDC
input)
———
Permissible load
24 VDC (27 VDC at
maximum), 0.1 A
(The voltage drop is
3.4 V at maximum
while the signal is ON.)
———