Terminal blocks

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The IB1004 and the SB1004 have four terminal blocks in total, two on each board. There are nine terminals in each terminal block.

All A/D inputs are grouped into terminal blocks 1 and 2.

All D/A outputs are on terminal block 3.

Relay outputs and the serial port are on terminal block 4.

 

ib1004_tb

 

Terminal block 1

Terminal #

Function

9

A/D channel 4, negative input (-)

8

A/D channel 4, positive input (+)

7

A/D channel 3, negative input (-)

6

A/D channel 3, positive input (+)

5

A/D channel 2, negative input (-)

4

A/D channel 2, positive input (+)

3

A/D channel 1, negative input (-)

2

A/D channel 1, positive input (+)

1

A/D GROUND (isolated from the rest of the device)

Terminal block 2

Terminal #

Function

9

A/D channel 8, negative input (-)

8

A/D channel 8, positive input (+)

7

A/D channel 7, negative input (-)

6

A/D channel 7, positive input (+)

5

A/D channel 6, negative input (-)

4

A/D channel 6, positive input (+)

3

A/D channel 5, negative input (-)

2

A/D channel 5, positive input (+)

1

A/D GROUND (isolated from the rest of the device)

Terminal block 3

Terminal #

Function

9

D/A channel 4, current output

8

D/A channel 4, voltage output

7

D/A channel 3, current output

6

D/A channel 3, voltage output

5

D/A channel 2, current output

4

D/A channel 2, voltage output

3

D/A channel 1, current output

2

D/A channel 1, voltage output

1

D/A GROUND (isolated from the rest of the device)

Terminal block 4

Terminal #

Function

9

Relay 2, normally opened line

8

Relay 2, normally closed line

7

Relay 2, common line

6

Relay 1, normally opened line

5

Relay 1, normally closed line

4

Relay 1, common line

3

Serial port: TX (RS232); TX/RX+ (RS485)

2

Serial port: RX (RS232); TX/RX- (RS485)

1

SYSTEM (COMMON) GROUND