Spectrum Controls 1769sc-HART Modules - Manual (Page 43)

User’s Manual 0300217-03 Rev. A
Chapter 5
Configuring the OF4IH for a
MicroLogix 1500 Using
RSLogix 500
This chapter examines the 1769sc-OF4IH module’s addressing scheme and describes
module configuration using RSLogix 500 and a MicroLogix 1500 controller. This
chapter will cover the following:
 Module Addressing
 Configuring the OF4IH in a MicroLogix 1500 System
 Using the Ladder Sample
Section 5.1
Module
Addressing
The following memory map shows the input, output, and configuration image tables for
the module. Detailed information on the image table is located in Chapter 6.
Figure 5-1 (Module Memory Map)
slot e
Input Image File
Input Image
70 Words
Memory Map
Word 0: Status Word 0
Word 1: Status Word 1
Word 2: Channel 0 Data Value
Word 3: Channel 1 Data Value
Word 4: Channel 2 Data Value
Word 5: Channel 3 Data Value
Words 6..25: HART Data
Word 26: Message Slave Control
Word 27: Response Size
Words 28..47: Message Response Buffer
Bit 15 Bit 1
slot e
Configuration File
Configuration
42 Words
Words 16..23: Channel 2 Configuration
Words 24..31: Channel 3 Configuration
Word 32: Pad
Word 33: HART Configuration Word
Bit 15 Bit 1
Words 8..15: Channel 1 Configuration
Words 0..7: Channel 0 Configuration
slot e
Output File
Output
50 Words
Word 2: Channel 2 Output Value
Word 3: Channel 3 Output Value
Word 4: Channel Alarm Unlatch
Bit 15 Bit 1
Word 1: Channel 1 Output Value
Word 0: Channel 0 Output Value
Word 34: Ch0 Slot Variables 0 & 1
Word 35: Ch0 Slot Variables 2 & 3
Word 36: Ch1 Slot Variables 0 & 1
Word 37: Ch1 Slot Variables 2 & 3
Word 38: Ch2 Slot Variables 0 & 1
Word 39: Ch2 Slot Variables 2 & 3
Word 40: Ch3 Slot Variables 0 & 1
Word 41: Ch3 Slot Variables 2 & 3
Word 5: HART Packet Just Scanned
Word 6: Message Master Control
Word 7: Request Size
Words 8..27: Message Request Buffer
Words 48..69: Reserved
Words 28..49: Reserved