This manual covers the following B&B Electronics' model serial cards: RS-232/422/485 Serial Cards CE 3PXCC1a 3PXCC2a 3PXCC1b 3PXCC2b Documentation Number 3PXCC1x-2x-3903 Each of these models is an RS-232 serial card and uses the same printed circuit board. The "1" and "2" suffix designates the number of ports on the card. The model number of the card is printed on a sticker on the board.
Table of Contents Chapter 1: Introduction and General Information........... 1 Features ................................................................................ 1 Specifications ........................................................................ 1 Chapter 2: Quick Installation Guide ................................. 3 Chapter 3: Windows Installation ...................................... 5 Checking Device Manager for Available Address/IRQ’s (Windows 95/98) ......................................
Chapter 1: Introduction and General Information The B&B Electronics’ 3PXCC series serial interface cards are designed for the IBM PC, XT, AT and compatibles. Ports are configured as a standard DTE device, and connections are made on 9-pin D-style connectors. The 3PXCC cards offer exceptional setup flexibility. The 3PXCC series has the ability to use any I/O address and any hardware interrupt. You can install as many serial ports as will physically fit in a machine.
. Assign Address and IRQ – The address and IRQ are set in the operating system that you are using. This is the final step of adding new hardware. See Chapter 4 for more details. Chapter 2: Quick Installation Guide The following steps will help you install the Model 3PXCC Serial Card. Please follow (step-by-step) the following numbered instructions and refer to any corresponding chapters for more details. CAUTION: Electrostatic Sensitive Device. Use ESD precautions for safe handling. 5.
Chapter 3: Windows Installation Checking Device Manager for Available Address/IRQ’s (Windows 95/98) Click on Start / Settings / Control Panel and double-click on System Properties. Left-click on Device Manager. Left-click on Interrupt Request. Find a free IRQ in the displayed list. Any number that is seen on the left hand side of this screen is an IRQ that is currently being used. The object is to find a number of IRQ(s) that are not listed and set your port(s) using those IRQ’s. Double-click on Computer.
Left-click on Input/Output (I/O). Adding Serial Port(s) in Windows 95/98 Go to Start Menu / Settings / Control Panel. Run the Windows Add New Hardware utility found in the control panel. Click Next. Scroll through the list, checking 03F8H, 02F8H, 03E8H, 02E8H. If one of these is available, use it. If not, check alternates. Find a free address in the list. Most desktop PC’s have a COM1 and possibly a COM2 already on their system which will be seen in the list.
Click Next. Select No (you do not want Windows to search for your new hardware). Click Next. Select Ports (COM & LPT). Click Next. Select Yes/No for the device in the list. Click Next. Documentation No.3PXCC1x-2x-3903 9 B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 10 Documentation No.
Select (Standard port types) and Communication Port. Click Next. Changing COM Port Resources in Windows 95/98 Click Start / Settings / Control Panel and double-click on System Properties. Click on Device Manager (make sure “View devices by type” is enabled. The next screen will show the address and interrupt request of the port. These may not match your configuration. For now, simply click Next. Windows may ask for the Windows 95/98 disk/CD to be inserted. Double-click on Ports (COM & LPT).
Click off (check mark out of box) Use automatic settings. Select Basic Configuration 0007 (or last one). Select Input / Output Range. Click Change Setting. Change Address to match the free address settings you found earlier. Click Resources. Click OK. Select Interrupt Request. Click Change Settings. Change IRQ to match the free IRQ settings you found earlier. At this point you can shut down the system and physically install your B&B Electronics Serial Card into an available ISA Slot.
Left-click on I/O Port in Resources. Tab to view currently used addresses. Checking Windows NT Diagnostics for Available Address/IRQ’s (Windows NT 4.0) Click on Start / Programs / Administrative Tools / Windows NT Diagnostics. Left-click on Resources. Scroll through the list, checking 03F8H, 02F8H, 03E8H, 02E8H. If one of these is available, use it. If not, check alternates. Find a free IRQ in the following list.
Adding Serial Port(s) in Windows NT 4.0 Go to Start Menu / Settings / Control Panel. Checking Windows 2000 for Available Address/IRQ’s Double-click on Ports. Click on Start / Settings / Control Panel. Double-click on System. Click Add. Choose COM Port Number, Base I/O Address, and IRQ that you want to use for the new Serial Port(s) being added. After clicking OK, you will see a screen – System Setting Change. Click the button Restart Now to restart Windows NT 4.0. Click on Hardware.
Click on View (top of screen). Click on Resources by type. Double-click on Input/Output. Find an unused address to set your B&B Electronics serial card to. Scroll through the list, checking 03F8H, 02F8H, 03E8H, 02E8H. If one of these is available, use it. If not, check alternates. Find a free address in the list. Most desktop PC’s have a COM1 and possibly a COM2 already on their system, which will be seen in the list. You may have to start at COM3 or COM4 to start your addressing of the ISA card you have.
Adding Serial Port(s) in Windows 2000 Go to Start Menu / Settings / Control Panel. Double-click on Interrupt Request (IRQ). Here you need to find an unused IRQ to set your B&B Electronics serial card to. Double-click on Add/Remove Hardware. Documentation No.3PXCC1x-2x-3903 21 B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm.
The following screen will appear after a few seconds. Click Next. Click on Add/Troubleshoot a device. Click Add a new device. Click Next. Click Next. Documentation No.3PXCC1x-2x-3903 23 B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 24 Documentation No.
Select Standard port types and Communication Ports and Click Next. You will see the following screen, go ahead and Click OK. The Resources area will allow you to set the IRQ and address of your new ports. Click on the down arrow to the middle right of the screen after “Setting based on”: Click No, I want to select the hardware from a list. Click Ports (COM & LPT). Click Next. Documentation No.
Click on the highest Basic configuration number in the list on the “Setting based on” category. Double-click on the Input/Output Range to set the Address. Double-click on the Interrupt Request to set the IRQ. At this point you can shut down the system and physically install your B&B Electronics Serial Card into an available ISA slot. Double check to make sure the addresses and IRQ’s on the Serial Card are set to the correct settings. Select IRQ and Address that you want your port(s) configured at.
Chapter 4: Address and IRQ Setting Address Switch Setup A Windows PC has I/O port addresses and memory addresses. Some devices use both types of addresses. I/O port addresses have a 64K address space. Devices may decode all 16 address bits or only some of the lower bits. Traditionally, serial cards have only decoded 10 bits of the address bus. Recently this has begun to cause address conflicts with full 16 bit decoded devices, most notably between video cards and COM 4.
When setting the address (via the dipswitch) use the silkscreen on the printed circuit board. This silkscreen shows a “1” and a “0” to refer to the “on and “off” states that each switch is set to. Switch S1 configures port one (labeled J1) and, on two port cards, switch S2 configures port two (labeled J2). Least significant bit (LSB) and most significant bit (MSB) are labeled on the card. Table 1 shows the numerical weight and electrical connection of each switch position.
Table 4. Standard IRQ Settings COM1 COM2 COM3 COM4 Documentation No.3PXCC1x-2x-3903 IRQ4 IRQ3 IRQ4 IRQ3 33 B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 34 Documentation No.3PXCC1x-2x-3903 B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm.
Chapter 5: Communication Jumper Settings RS-422 Mode This chapter will cover all of the jumper settings to set your B&B Serial Card for the proper communications that you desire. CAUTION: Electrostatic Sensitive Device. Use ESD precautions for safe handling. To configure a port for RS-422 mode, 7 jumpers must be checked. The following settings configure Port 1 as RS-422. 1. JP1A, JP1B, JP1C - must be set in the "422" (right) position. 2. JP1F - all four jumpers must be in the "422" (right) position.
Figure 4 shows the jumper settings for RS-485 mode. The receiver can also be enabled and disabled, a useful feature in two-wire communications to prevent the transmitted data from "echoing back" on its own receiver. Jumpers JP1C and JP2C control this feature for Port 1 and Port 2. If these jumpers are placed in the RS-485 position, the "echo" is turned off. This is achieved by disabling the receiver when the driver is enabled.
Chapter 6: Physical Hook-up and Troubleshooting Pin Name Description 1 RD(A) Receive Data A This chapter will cover 3PXCC pinout, communication cable data, and troubleshooting information. 2 TD(B) Transmit Data B 3 TD(A) Transmit Data A Pinouts 5 GND Signal Ground RS-232 Pinouts 9 RD(B) Receive Data B The 3PXCC Serial Cards are wired as DTE (Data Terminal Equipment) devices.
3PXCCXX Serial Card RS-485 Two Wire Device TD(A-) Pin 3 DATA (-) TD(B+) Pin 2 DATA(+) If you are unable to communicate with the card from your software: 1. Consult your software manual to make sure it supports the address and interrupt that you have configured. RD(A-) Pin 1 RD(B+) Pin 9 GND Pin 5 Troubleshooting 2. Double check that the address and interrupt are properly set. GND 3. Try another software package for troubleshooting.
I/O Map of AT Class Machines Appendix A: Hardware I/O Map Hex Address Address Function in AT Class Machines DMA controller #1 (8237A-5) 000-01F interrupt controller #1 (8259A) 020-03F timer (8254) 040-05F keyboard (8042) 060-06F NMI - non maskable interrupt & CMOS RAM 070-07F DMA page register (74LS612) 080-09F interrupt controller #2 (8259A) 0A0-0BF DMA controller #2 (8237A) 0C0-0DF 80287 math coprocessor 0F0-0FF hard disk 1F0-1F8 game port joystick controller 200-20F Intel Above Board 258-25F parallel p
Appendix B: Declaration of Conformity Statement DECLARATION OF CONFORMITY Manufacturer’s Name: Manufacturer’s Address: Model Numbers: Description: Type: Application of Council Directive: Standards: B&B Electronics Manufacturing Company P.O. Box 1040 707 Dayton Road Ottawa, IL 61350 USA 3PXCC1A, 3PXCC1B, 3PXCC2A, 3PXCC2B RS-232 Serial Card Light industrial ITE equipment 89/336/EEC EN 55022 EN 61000-6-1 EN 61000 (-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -4-11) William H.
