Mitsubishi Electric 800 Series Instruction Manual page 47

 Safety stop signal
Terminal
Terminal name
symbol
Safety stop input
S1
(channel 1)
Safety stop input
S2
(channel 2)
Safety monitor
SO output (open
collector output)
Safety monitor
SOC output terminal
common
 Communication
Terminal
Type
symbol
—
—
*1 USB bus power connection is available. The maximum SCCR is 500 mA. A PU connector cannot be used during USB bus power connection.
46
2. Installation and Wiring
2.6 Control circuit
Terminal function description
Use terminals S1 and S2 to receive the safety stop signal input
from the safety relay module. Terminals S1 and S2 can be used
at a time (dual channel). The Inverter judges the condition of the
internal safety circuit from the status (shorted/opened) between
terminals S1 and PC, or between S2 and PC. When the status is
opened, the inverter output is shut off.
In the initial status, terminal S1 and S2 are shorted with terminal
PC by shorting wires. Remove the shorting wires and connect the
safety relay module when using the safety stop function.
The output status varies depending on the input status of the
safety stop signals.
The output is in HIGH state during occurrence of the internal
safety circuit fault. The output is in LOW state otherwise. (The
open collector transistor is ON (conductive) in LOW state. The
transistor is OFF (not conductive) in HIGH state.) Refer to the FR-
E800 Instruction Manual (Functional Safety) (BCN-A23488-000)
when the signal is switched to HIGH while both terminals S1 and
S2 are open. (Contact your sales representative for this manual.)
Common terminal for terminal SO.
Terminal name
RS-485 communication can be made through the PU connector
Conforming standard: EIA-485 (RS-485)
PU connector Transmission format: Multidrop link
Communication speed: 300 to 115200 bps
Wiring length: 500 m
Mini B connector (receptacle).
By connecting the inverter to a personal computer via this connector, FR
Configurator2 installed on the computer can be used for setting the inverter, or
*1
monitoring or testing the inverter operation.
USB B connector
Interface: conforms to USB 1.1 (USB 2.0 full-speed compatible)
Transmission speed: 12 Mbps
Power supply: 5 V, 100 mA (500 mA maximum)
Terminal function description
Refer to
Rated specification
page
Input resistance: 4.7 kΩ,
voltage when contacts
are open:
21 to 26 VDC,
current when contacts
are short-circuited:
4 to 6 mADC
56
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.)
—
Refer
to page
61
64