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Control Circuit Specification - Mitsubishi Electric FR-XC-18.5K-PWM Instruction Manual

Fr-xc series multifunction regeneration converter
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Control circuit specification

2.7
Control circuit specification
2.7.1
Details on the control circuit terminals
indicates that terminal functions can be selected using Pr.3, Pr.4, or Pr.7 (Input terminal function selection) or
Pr.11, Pr.12, or Pr.16 (Output terminal function selection). (Refer to
Input signal
Terminal
Type
Terminal name
symbol
RES
Reset
SOF
Converter stop
Box-type reactor
LOH
overheat protection
Contact input
common
(sink) (initial setting)
External transistor
SD
common (source)
24 VDC power
supply common
External transistor
common
(sink) (initial setting)
PC
Contact input
common (source)
24 VDC power
supply
Output signal
Terminal
Type
Terminal name
symbol
Inverter run enable
RYA
(NO contact)
Inverter run enable
RYB
(NC contact)
RSO
Converter reset
Open collector
SE
output common
A, B, C
Fault contact
50
INSTALLATION AND WIRING
Terminal function description
Use this signal to reset a fault output provided when a protective
function is activated.
Turn ON the RES signal for 0.1 seconds or longer, then turn it OFF.
Turn ON this signal to stop the regenerative driving. The function
can be changed using Pr.4.
Used to monitor the speed of cooling fan in the FR-XCB reactor for
overheat protection.
When the sink logic is selected, connect this terminal to terminal LOH1
on the reactor.
When the source logic is selected, connect this terminal to terminal
LOH2 on the reactor.
Common terminal for the contact input terminal (sink logic).
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
undesirable current.
Common output terminal for 24 VDC 0.1A power supply (PC
terminal).
Isolated from terminals 5, SE, and SE2.
Connect this terminal to the power supply common terminal of a
transistor output (open collector output) device, such as a
programmable controller, in the sink logic to avoid malfunction by
undesirable current.
Common terminal for contact input terminal (source logic)
Can be used as a 24 VDC 0.1 A power supply.
Terminal function description
Turns ON when the multifunction regeneration converter becomes
ready for operation.
Signal OFF: Inverter cannot run
Signal ON: Inverter can run
Turns ON at alarm occurrence and reset (RES) signal input.
Connect this terminal to the inverter terminal which the X10 signal is
assigned to or the inverter terminal MRS.
Terminal RYB is used with the normally closed (NC contact)
specification.
Turning ON the RYB signal stops the inverter.
Signal OFF: Inverter can run
Signal ON: Inverter cannot run
Turns ON during a converter reset (RES-ON).
Connect this terminal to the inverter terminal which the RES signal is
assigned to.
Turning ON the RSO signal resets the inverter.
Common terminal for terminals RYA, RYB, and RSO.
Connect it to the inverter terminal SD (sink logic).
1 changeover contact output that indicates that an converter's
protective function has been activated and the outputs are stopped.
Fault: discontinuity across B and C (continuity across A and C),
Normal: continuity across B and C (discontinuity across A and C)
page
87,
page
89.)
Input resistance: 4.7 kΩ,
voltage when contacts are
open: 21 to 27 VDC,
current when contacts are
short-circuited: 4 to 6 mADC
Power supply voltage range:
19.2 to 28.8 VDC,
permissible load current: 100
mA
Permissible load: 24 VDC
(27 VDC at maximum) 0.1 A
(The voltage drop is 2.8 V at
maximum while the signal is
ON.)
Contact capacity: 230 VAC 0.3
A
(power factor = 0.4),
Output: 30 VDC 0.3 A
Rated specification
̶
Rated specification
̶

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