Mitsubishi Electric FR-A800 Series Instruction Manual page 74

NOTE
• Make sure that the jumper connector is installed correctly.
• Never change the control logic while power is ON.
• To change the control logic for the FR-A800-GF, remove the control circuit terminal block and change the jumper connector
position. (Refer to
reinstall the control circuit terminal block securely in place.
 Sink logic and source logic
• In the sink logic, a signal turns ON when a current exits from the corresponding signal input terminal.
Terminal SD is common to the contact input signals. Terminal SE is common to the open collector output signals.
• In the source logic, a signal turns ON when a current enters into the corresponding signal input terminal.
Terminal PC is common to the contact input signals. Terminal SE is common to the open collector output signals.
Current flow concerning the input/output signal
when sink logic is selected
Current
Downloaded from ManualsNet.com
page 819 for details on how to remove the terminal block.) After changing the jumper connector position,
Sink logic
STF
R
STR
R
SD
Inverter
DC input (sink type)
<Example: QX40>
RUN
TB1
R
- TB17
+
SE
24 VDC
Current flow
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Current flow concerning the input/output signal
when source logic is selected
Source logic
Sink
Current
connector
Inverter
R
PC
STF
R
STR
R
DC input (source type)
<Example: QX80>
TB1
RUN
R
R
TB18
-
+
SE
24 VDC
Current flow
2. INSTALLATION AND WIRING
2.6 Control circuit
1
2
3
4
5
6
Source
connector
7
8
9
10
73