Hardware reference guide

I/O Modules

546

35013379 02 October 2007

I/O Configuration for Analog Output Modules

Overview This section provides information on the configuration of analog output modules.

These modules are:

z 140ACO02000

z 140ACO13000

z 140AIO33000

z 140AVO02000

140ACO02000 The following information pertains to configuration of the 140ACO02000 Analog

Output module.

I/O Map Register

Assignment

This module requires four contiguous output (4x) registers, which are assigned as

follows. The following figure shows the register assignments.

I/O Map Status

Byte

The four least significant bits in the I/O map status byte are used for the

140ACO02000 Output module. The following figure shows the status byte register.

Channel 1 data (0 ... 4,095 = 4 ... 20 mA)Register 1

Channel 2 data (0 ... 4,095 = 4 ... 20 mA)

Channel 3 data (0 ... 4,095 = 4 ... 20 mA)

Channel 4 data (0 ... 4,095 = 4 ... 20 mA)

Channel 1 loop broken wire

Channel 2 loop broken wire

12345678

Channel 3 loop broken wire

Channel 4 loop broken wire

This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com