KEYENCE DV-90 User Manual

Page 39

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3-1 I/O Terminal Connection

Wiring the Output Terminals (NPN Open Collector Type)

The DV-90NE (NPN open collector type) has the following output terminals.

Connection diagram Circuit diagram

Example of wiring with a Keyence PLC (programmable controller)

Pin label

Name

Description

OK Verify

Output

when the data matches with the output master data

(Verification is OK).

Verify NG

Output when the data does not match with the output master

data (Verification is NG).

OUT1 to 12

Verify result output

Outputs the output No. corresponding to the master data that

matches the read data in parallel transmission.

•

Bit output : output No. 1 to 12

•

Binary output : output No. 1 to 900, 997 to 999

•

BCD output : output No. 1 to 900, 997 to 999

READ_ERR

Read error output

Output when a code cannot be read (reading error).

(Valid

only when the read error check is set.)

QUALITY

Read quality judgment

output

Output when the reading quality deteriorates.

Refer to page 5-14 for details.

Load

• Rated load : 30V DC
max. (100 mA)
• Leak current during OFF : 0.1 mA or less
• Residual voltage during ON : Less than 1 V

* The COM terminals are insulated from each other.

PLC

0001

0000

COM4