Rockwell-automation 1791-32AO SERIES B 32 Input AC Block I/O Module Manual de usuario descargar pdf (Pagina 9)

Installation Instructions

Block I/O

Cat. No. 1791-32A0 Series B

The SLC 500 controllers communicate with the block I/O using an I/O Scanner

module (cat. no. 1747-SN series A). Refer to the user manual for the 1747-SN/A

Scanner module for more information.

Important: This block I/O module is not compatible with the 1747-DSN

Distributed I/O Scanner module.

Termination Resistor

termination resistor must be installed on the last block in a series. Connect the

resistor as shown in Figure 7.

Figure 7

Installing

the T

ermination Resistor

Termination

Resistor

Connect

termination resistor across

terminals 6 (BLU) and 8 (CLR).

10835–I

BLU

SHD

CLR

150 ohm – 57.6K and 115.2K baud

82 ohm – 230.4K baud

ATTENTION: Devices that are operating at 230.4K baud must have

82 ohm terminators in place for proper operation.

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Rockwell-automation 1791-32AO SERIES B 32 Input AC Block I/O Module Manual de usuario Pagina 9