Mitsubishi Electric 800 Series Instruction Manual page 69

 Outline
Mitsubishi Electric FR-E800-SCE general-purpose inverters have safety functions to stop the output to motors.
By connecting the inverter with a safety programmable controller with an Ethernet cable, signal input via communication is
enabled.
 Wiring
The following describes terminals related to safety sub-functions.
Terminal
symbol
SX1
Terminal functions can be selected using Pr.S051 SX1/SX2 terminal function selection.
SX2
SY1
Terminal functions can be selected using Pr.S055 SY1/SY2 terminal function selection.
SY2
Connect this terminal to the power supply common terminal of a transistor output (open collector
output) device, such as a programmable controller, in the source logic to avoid malfunction by
SD
undesirable current.
Common terminal for the 24 VDC power supply (terminal PC). Isolated from terminal 5.
Common terminal for SX1 and SX2.
PC
Can be used as a 24 VDC 0.1 A power supply.
SC1
Common terminal for SY1 and SY2.
SC2
 Connection diagram
Emergency
stop button
*1 To avoid an electric shock hazard, install a magnetic contactor (MC) at the input side of the inverter.
 Operation of the SA warning and the SAFE and SAFE2 signals
E.SAF Status of safety
*3
indication related parts
Not displayed Normal
68
2. Installation and Wiring
2.6 Control circuit
Terminal function description
Ethernet Ethernet
connector connector
Safety programmable
PC
Fuse
controller
SY1
STO function status when
the STO or SS1 command
is input
STO disabled
*2
STO disabled
FR-E800-SCE
CPU
+24V
CPU
SC1 SX1 SY2 SC2 SX2
Power supply
RA2
Inverter operating status
Operation enabled
Output shutoff (Safe state) Displayed
R/L1 S/L2 T/L3
IGBTs
Gate
Driver
CPU
Gate
Driver
U V W
Brake M
RA1
Output signal
SA
*4
indication
SAFE
Not displayed OFF
*1
ON
MC *1
*5*6*7
SAFE2
*1
ON
*1
ON