Control logic (sink/source) change. Mitsubishi Electric FR-F806-E-L2 (IP55/UL Type 12

Control circuit

2.6.2

Control logic (sink/source) change

Change the control logic of input signals as necessary.

To change the control logic, change the jumper connector position on the control circuit board.

Connect the jumper connector to the connector pin of the desired control logic.

The control logic of input signals is initially set to the sink logic (SINK) for the FM type.

The control logic of input signals is initially set to the source logic (SOURCE) for the CA type.

(The output signals may be used in either the sink or source logic independently of the jumper connector position.)

Jumper connector

SINK

SOURCE

For sink logic

NOTE

• Make sure that the jumper connector is installed correctly.

• Never change the control logic while power is ON.

36

INSTALLATION AND WIRING

Control circuit



Sink logic and source logic

• In the sink logic, a signal switches ON when a current flows 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 switches ON when a current flows 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

Sink logic

Current flow concerning the input/output signal when source logic is selected

Source logic

PC

Current

STF

R

Sink connector

Current

STF

R

Source connector

STR

R

STR

R

SD

Inverter

RUN

SE

-

DC input (sink type)

<Example: QX40>

TB1

R

R

+ TB17

Inverter

SE

RUN

+

DC input (source type)

<Example: QX80>

TB1

R

R

TB18

24 VDC

Current flow

• When using an external power supply for transistor output

24 VDC

Current flow

Sink logic

Use terminal PC as a common terminal, and perform wiring as shown below. (Do not connect terminal SD of the inverter with the terminal 0 V of the external power supply. When using terminals PC-SD as a 24 VDC power supply, do not install an external power supply in parallel with the inverter.

Doing so may cause a malfunction in the inverter due to undesirable currents.)

Source logic

Use terminal SD as a common terminal, and perform wiring as shown below. (Do not connect terminal PC of the inverter with the terminal +24 V of the external power supply. When using terminals PC-SD as a 24 VDC power supply, do not install an external power supply in parallel with the inverter.

Doing so may cause a malfunction in the inverter due to undesirable currents.)

QY40P type transistor output unit

TB1 STF

Inverter

QY80 type transistor output unit

PC

Inverter

24 VDC

(SD)

TB2 STR

TB1 STF 24 VDC

(SD)

Constant voltage circuit

TB17

PC

TB18

24 VDC SD

TB2

Constant voltage circuit

Fuse

TB17

TB18

STR

SD

Current flow

Current flow

2

INSTALLATION AND WIRING

37