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2-8 Point IO™ 2/4 Channel Analog HART Module
User’s Manual Pub. 0300257-01 Rev. A
Grounding
!
Attention
USE SUPPLY WIRES SUITALE FOR 10°C ABOVE SURROUNDING
AMBIENT
!
Attention
UTILISER DES FILS D’ALIMENTATION QUI CONVIENNENT A
UNE TEMPERATURE DE 10°C AU-DESSUS DE LA
TEMPERATURE AMBIANTE
• This product is intended to be mounted to a well-grounded mounting surface
such as a metal panel. Additional grounding connections from the module’s
mounting tabs or DIN rail (if used) are not required unless the mounting surface
cannot be grounded.
• Under normal conditions, the drain wire (shield) should be connected to the
metal mounting panel (earth ground). Keep shield connection to earth ground as
short as possible.
• Ground the shield drain wire at one end only. The typical location is as follows:
o For grounded thermocouples or millivolt sensors, this is at the sensor
end.
o For insulated/ungrounded thermocouples, this is at the module end.
Contact your sensor manufacturer for additional details.
• Refer to Industrial Automation Wiring and Grounding Guidelines, Allen-
Bradley publication 1770-4.1, for additional information.
Noise Prevention
• Route field wiring away from any other wiring and as far as possible from
sources of electrical noise, such as motors, transformers, contactors, and ac
devices. As a general rule, allow at least 15.2 cm (6 in.) of separation for every
120V of power.
• Routing field wiring in a grounded conduit can reduce electrical noise.
• If field wiring must cross ac or power cables, ensure that they cross at right
angles.
• If noise persists for a device, try grounding the opposite end of the cable shield
or ground both ends of the shield.
2.5.1 Wiring Diagram
Refer to the following wiring diagrams for field wiring connections.
Table 2-1 (4 Ch Terminal Block Pinout)
RTB Pin# Usage Usage RTB Pin#
0 Input 0 Input 1 1
2 Input 2 Input 3 3
4 Common Field Power
5
6 Chas GND
Chas GND
7
- Point IO™ 1
- Important Notes 2
- Table of Contents 3
- Conventions 7
- Used in This 7
- Chapter 1 9
- Module Overview 9
- Section 1.5 10
- Hardware 10
- Features 10
- 1.5.1 LED Indicators 11
- Section 1.6 11
- Overview 11
- 1.6.1 Module Power-up 11
- 1.6.2 Module Operation 12
- Chapter 2 13
- Installation and Wiring 13
- Section 2.3 14
- General 14
- Considerations 14
- Attention 15
- 2.4.2 Install Mounting Base 17
- 2.4.5 Remove a Mounting Base 18
- Section 2.5 19
- Field Wiring 19
- Connections 19
- 2.5.1 Wiring Diagram 20
- Chapter 3 23
- Configuring the 1734sc-IExCH 23
- Using RSLogix 5000 23
- Section 3.3 24
- Use Generic 24
- Profile 24
- Section 3.4 29
- Add-On-Profile 29
- Section 3.5 31
- Module 31
- Configuration 31
- 3.5.1 Channel Configuration 33
- 3.5.2 Analog Notch Filter 35
- 3.5.3 RTS (Real Time Sample) 35
- Section 3.6 36
- Read Input 36
- Section 3.7 40
- Update Time 40
- Chapter 4 41
- IExCH and HART 41
- Section 4.3 44
- Supported HART 44
- CIP Messages 44
- Field Value Definition 45
- 4.3.4 Flush Queue 54
- Appendix A 57
- Module Specifications 57
- Environmental Specifications 59
- Agency Certifications 60
- Appendix B 61
- Additional HART 61
- Protocol Information 61
- Section B.3 69
- HART PV, SV 69
- TV, and FV 69
- Appendix C 71
- Manufacturer 71
- Identification Codes 71
- Appendix D 77
- Engineering 77
- Unit Codes 77
- Specifications · A-1 82
- Universal Commands · B-3 82
- Wiring Diagram · 2-8 82
- Getting Technical 83
- Assistance 83
- Declaration of 83
- Conformity 83
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