DL205 User Manual, 7th Edition Rev. D
xiii
Table of Contents
(Pointer Method) 13–8
Understanding the Output Assignments 13–8
Channel Select Outputs 13–9
Analog Data Bits 13–9
Module Resolution 13–10
Writing the Control Program 13–11
Calculating the Digital Value 13–11
Engineering Units Conversion 13–12
Read Data Values: Pointer Method and Multiplexing 13–13
Pointer Method for the DL240, DL250-1 and DL260 CPUs 13–13
Write Data Example (Multiplexing) 13–15
Write Data to One Channel 13–16
Write the same Data to Both Channels 13–16
Analog and Digital Value Conversions 13–17
Chapter 14: F2-4AD2DA, 4-Ch. In / 2-Ch. Out Analog Combination
Module Specifications 14–2
Input Specifications 14–2
Output Specifications 14–3
General Specifications 14–3
Combination Analog Configuration Requirements 14–3
Special Placement Requirements (DL230 and Remote I/O Bases) 14–4
Connecting the Field Wiring 14–5
Wiring Guidelines 14–5
Loop Power Supply Requirements 14–5
Current Loop Transmitter Impedance 14–6
Wiring Diagram 14–7
Module Operation 14–8
Input Channel Scanning Sequence for a DL230 CPU (Multiplexing) 14–8
Input Channel Scanning Sequence for DL240, DL250-1, and DL260 CPUs
(pointer method) 14–8
Output Channel Update Sequence for a DL230 CPU (Multiplexing) 14–9
Output Channel Update Sequence for DL240, DL250-1, and DL260 CPUs
(Pointer Method) 14–9
Understanding the I/O Assignments 14–10
Input Data Bits 14–10
Active Channel Indicator Bits 14–11
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