OPTO 22 PCI-AC48 Operation & User’s Manual

1, PCI-AC48 User’s Guide i i PCI-AC48 USER’S GUIDE Form 1520-180601—June 2018 43044 Business Park Drive • Temecula • CA 92590-3614 Phone: 800-321-OPTO (6786) or 951-695-3000 Fax: 800-832-OPTO (6786) or 951-695-2712 www.opto22.com Product Support Services 800-TEK-OPTO (835-678…

10, INSTALLING SOFTWARE DRIVERS PCI-AC48 User’s Guide 6 For convenience, bias is often set at the adapter card (whether or not it is terminated and at the end of the network). The DIP switch settings in this table are set with bias ON. Installing Software Drivers Software drivers for the PCI…

21, OPTO 22 PCI-AC48 CHAPTER 2: TROUBLESHOOTING PCI-AC48 User’s Guide 17 17 3. Did the Transmit (TX, XMT) LED on the Opto 22 brain or controller blink? If it did, the Opto 22 device understood the message, confirmed that the message address matched its address, and transmitted a response. Go to the next …

17, CHAPTER 1: INSTALLING THE PCI-AC48 ADAPTER CARD PCI-AC48 User’s Guide 13 13 If the software application accesses COM ports on the computer, simply change the program configuration to use the new COM ports. If a configuration change doesn’t work, modify the source code to use the new COM …

28, PCI-AC48 ADAPTER CARD PCI-AC48 User’s Guide 24 LED Indicators Serial Port A Port B IRQ (Red) Serial Port B Port B RX Port B TX Port A IRQ (Red) Port A RX Port A TX 1234567891012345678910 …

15, CHAPTER 1: INSTALLING THE PCI-AC48 ADAPTER CARD PCI-AC48 User’s Guide 11 11 Wiring for RS-485 2-Wire (Two Serial Ports) The following wiring diagram assumes that you are using the PCI-AC48 for two 2-wire ports with no interrupts. (If you are using interrupts, see page 20.) Wiring for R…