DL205 User Manual, 7th Edition Rev. D
xiv
Table of Contents
Diagnostic Indicator Inputs 14–11
Output Data Bits 14–11
Output Channel Selection Bits 14–12
Module Resolution 14–12
Writing the Control Program 14–13
Analog Input Failure Detection 14–13
Calculating the Digital Value 14–13
Scaling the Input Data 14–15
Read / Write Program for the DL240, DL250-1 and DL260 CPUs
(Pointer Method) 14–16
Read Input Values (Multiplexing) 14–18
Single Input Channel Selected (Multiplexing) 14–19
Write Output Values (Multiplexing) 14–19
Write Data to One Channel 14–20
Write the same Data to Both Channels 14–20
Analog and Digital Value Conversions 14–20
Filtering Input Noise (DL250-1, DL260 CPUs Only) 14–21
Chapter 15: F2-8AD4DA-1, 8-Ch. In / 4-Ch. Out Current Analog Comb.
Module Specifications 15–2
F2-8AD4DA-1 Requirements 15–2
Input Specifications 15–3
Output Specifications 15–4
General Module Specifications 15–5
Module Placement and Configuration Requirements 15–5
Connecting the Field Wiring 15–6
Wiring Guidelines 15–6
User Power Supply Requirements 15–6
Current Loop Transmitter Impedance 15–7
Wiring Diagram 15–8
Module Operation 15–9
Input Channel Scanning Sequence (Pointer Method) 15–9
Output Channel Update Sequence (Pointer Method) 15–10
Understanding the I/O Assignments 15–11
Input Data Bits 15–12
Output Data Bits 15–12
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