User Manual

Publication 1790-UM001A-EN-P - March 2002
Module Data, Status, and Channel Configuration for Analog Output Modules 4-5
The data table below shows the structure for an analog base module
with one (1) of the following 16-output modules:
• 1790-OB16X/-TOB16X discrete expansion module
• 1790-OV16X/-TOV16X discrete expansion module
and with one (1) of the following 8-input modules
• 1790-8BV8BX/-T8BV8BX discrete expansion module
• 1790-8BV8VX/T8BV8VX discrete expansion module
• 1790-TOA8X discrete expansion module
• 1790-TOW8X discrete expansion module
1790D-N4C0/-TN4C0, 1790D-N4V0/-TN4V0 Output Data File with 24-Bit
Discrete Expansion Modules
Word/Bit Descriptions
Word Bit Position
1514131211109876543210
0 Not Used Analog Output Data Channel 0
1 Not Used Analog Output Data Channel 1
2 D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0
3 Not Used D23 D22 D21 D20 D19 D18 D17 D16
Word Decimal Bit Description
Write Word 0 Bits 00-11 Channel 0 output data
Bits 12-15 Not used: Set to 0
Write Word 1 Bits 00-11 Channel 1 output data
Bits 12-15 Not used: Set to 0
Write Word 2 Bits 00-15 First discrete output expansion data
Write Word 3 Bits 00-07 Second discrete output expansion data
Bits 08-15 Not used: Set to 0