Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual - Manual (Page 157)

Design Worksheets
Appendix B
B-7
Select Module Types and List I/O Points
For more information on: See:
Selecting I/O modules
Selecting I/O points
Classic 1785 PLCĆ5 Programmable Controllers User Manual, publication 1785Ć6.2.1, Chapter 2:
Selecting I/O Modules
Selecting I/O Adapter Modules
I/O module catalog numbers Automation Products Catalog, publication AP 100, Section 3:
Input/Output
1. Make a copy of the reverse side of this worksheet for each of your chassis.
2. For each chassis, list each discrete, analog, and specialty I/O module and its electrical
characteristics. Use the table below to determine which characteristics to list.
If you choose this type of I/O module: List these characteristics:
Discrete input module
Voltage
Special requirements:
- Isolation
- Proximity switch
- Source or sink
- Fast response
- TTL
Discrete output module
Voltage
Current
Special requirements:
- Isolation
- Protection (detection of failed triacs)
- TTL
- High current switching
Analog input module
Voltage or current range
Resolution required
SingleĆended or differential
Special requirements
- Thermocouple
- RTD
- Isolation
Analog output module
Voltage or current range
Resolution required
Special requirements:
- PID
- Isolation
Specialty or communication I/O modules (including block I/O modules)
Voltage or current range
Resolution required
Noise/distance limits
SingleĆended or differential
Special requirements
- Thermocouple
- RTD
- PID
- Isolation
BOM