Keyence BL-180 User Manual download pdf (Page 91)

Power Supply BL-U1

1.4

Function and wiring on the I/O terminal block

The above list starts from the left edge terminal on the terminal block and sequen-

tially goes to the right.

• M 3.0 screws are used on the terminal block.

• Use the clips shown below when wiring.

Wiring the trigger

input

The trigger input signals the BL series to start reading.

Turn on the trigger input by supplying 8.5 to 30 VDC between the trigger input ter-

minals.

You can use the “power supply for sensors” terminals of the BL-U1 as the input

power supply.

Symbol

Description Signal Direction

TIM

Timing input

Input

+12V OUT

Power supply for sensors (+) (+12 VDC,

300 mA)

Output

Power supply for sensors (-) (0 V)

Output

COM

Common for OK/NG output

——

OK output

Output

NG output

Output

SDA

Send RS-422A data (+)/RS-485 (+)

Output/Input and output

SDB

Send RS-422A data (-)/RS-485 (-)

Output/Input and output

Signal ground

——

RDA

Receive RS-422A data (+)

Input

RDB

Receive RS-422A data (-)

Input

TIM +12V OUT– COM OK NG SDA SDB SG RDA RDB

Trigger

input

Power supply

for sensors

(12 VDC, 300 mA)

OK/NG output

RS-422A/RS-485

6.0 mm or

less

Round-shape

6.0 mm or

less

Fork-shape

TIM +12V OUT–

8.5~30VDC

Contact or

non-contact

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Keyence BL-180 User Manual Page 91

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