AC7 OPTO 22, AC7 Datasheet - Page 3

• Manufacturer Part Number: AC7
• Description: Computers, Interface Cards
• Manufacturer: OPTO 22

Specifications of AC7

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Features: RS232 To RS422 Converter
• Interface: RS-422⁄485
• Module Type: Adapter Card
• Mounting Type: Protective Enclosure
• Voltage, Supply: 115 VAC ± 10 VAC @ 50⁄60 Hz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Additional Technical Information ........................................................ 27
General Notes ................................................................................................................................ 27
Two-Wire RS-485 Mode ............................................................................................................ 28
Using Multiple AC7A/B Units on One Link .......................................................................... 30
Commonly Used RS-232 Signals ............................................................................................. 32
Biasing and Terminating RS-422/485 ................................................................................... 33
Troubleshooting ........................................................................................................................... 35
Glossary of Terms ......................................................................................................................... 36
RS-422/485 Cable Specifications ........................................................................................... 37
Appendix A: AC7A/B DB9 (J2) Connection Pinout ................................ 38
Product Support ..................................................................................... 39
Background ........................................................................................................................... 30
Description ............................................................................................................................. 30
Setup ......................................................................................................................................... 31
Biasing ...................................................................................................................................... 31
Termination ............................................................................................................................. 31
Wiring and Related Jumpers ............................................................................................. 31
Additional Jumpers .............................................................................................................. 31
Using Protective Ground on AC7A/B ............................................................................. 33
Communication Jumpers ................................................................................................... 34
AC7A/B User’s Guide 3
WELCOME