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APCI-7xxx-3 Communication Boards

APCI-7xxx-3 Communication Boards

Communication board (1, 2, 4 or 8-port serial interface), 3.3 V / 5 V, modular mounting with MX-modules RS232/RS422/RS485/CL-20 mA current loop, with or without optical isolation, software configuration, 128-Byte FIFO buffer Installation under Windows as standard COM port.

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Description

Features

  • Asynchronous communication adapter
  • PCI 3.3 V or 5 V
  • Modular mounting through MX modules: 1 socket for 1-port serial interface (APCI-7300-3); 2 sockets for 2-port serial interface (APCI-7420-3); 4 sockets for 4-port serial interface (APCI-7500-3 and APCI-7500-3/4C); 8 sockets for 8-port serial interface (APCI-7800-3)
  • Can be configured as RS232, RS422, RS485 with/without optical isolation, 20 mA Current Loop (active, passive), with optical isolation through separate MX modules
  • Automatic addressing through BIOS
  • Automatic module identification
  • 128-byte FIFO buffer for sending and receiving data
  • Programmable transfer rate
  • 5, 6, 7 or 8-bit character
  • 1, 1½ or 2 stop bits
  • Parity: even, odd or none
  • Automatic transmitter control for RS485 and transmitter control through FIFO level
  • Common interrupt

Safety Features

  • MX modules available with optical isolation 1000 V
  • Creeping distance IEC 61010-1 (VDE411-1)
  • Protection against fast transients (Burst)
  • Short-circuit protection for RS422 and RS485
  • Detection of false start bits
  • Internal diagnostic possibility, break, parity, overrun and framing error

Applications

  • Industrial serial communication
  • Data acquisition
  • Industrial process control
  • Multi-user systems
  • PLC interface
  • Modem and printer control
  • Multidrop applications
  • Weighting devices

Specifications

Serial Interface: 1-port, 2-port, 4-port, 8-port
Mode: RS232, RS422, RS485, 20 mA Current Loop (active, passive) with or without optical isolation through separate MX modules.
Transmission Mode: Asynchronous, full or half duplex (MX modules)
Addressing: Automatic through BIOS
Memory: 128-byte FIFO buffer for transmitter and receiver
Transfer Rate: Programmable up to 115.2 kBaud. Baud rate up to 1 MBaud on request
Protocol: 5-, 6-, 7- or 8-bit character 1,1½ or 2 stop bits
Parity: Even, odd, none, mark, space
Interrupt Lines: Automatic configuration through BIOS

MX Modules

Operating Mode RS232 RS422 RS485 20mA CL
MX232-G MX232 MX422-G MX422 MX485G MX485 MXTTY
Optical Isolation 1000V ‘   ‘   ‘   ‘
Creeping Distance 3.2mm ‘   ‘   ‘   ‘
Short-Circuit Protection     ‘ ‘ ‘ ‘  
ESD Protection ‘ ‘ ‘   ‘    
Burst Protection ‘ ‘ ‘ ‘ ‘ ‘ ‘
Duplex Full Full Full/Half Full/Half Half Half Full
Max Baud Rate 115.2kBaud
1M Baud opt.		 115.2kBaud
1M Baud opt.		 115.2kBaud
1M Baud opt.		 115.2kBaud
1M Baud opt.		 115.2kBaud
1M Baud opt.		 115.2kBaud
1M Baud opt.		 19.2kBaud
Modem Control Signals ‘ ‘ Optional RTS/CTS
(MX422-PEP)		        
Autom Transmitter Control         ‘ ‘  
Current Consumption 86mA 10mA 46mA 10mA 58mA 10mA 75mA

Physical and environmental conditions

Dimensions: 151 x 99 mm / APCI-7800-3: 175 x 99 mm
System Bus: PCI 32-bit, 3.3/5V to spec 2.2 (PCISIG)
Place Required: 1 PCI Slot
Operating Voltage: +5 V, ±5 % from the PC
Current Consumption: 160mA typical / APCI-7800, 220mA
Front Connector:

 9-pin SUB-D male connector (APCI-7300-3)
2 x 9-pin SUB-D male connector (APCI-7420-3)
4 x 9-pin SUB-D male connector on separate bracket (APCI-7500-3/4C)
37-pin SUB-D male connector (APCI-7500-3)
78-pin SUB-D female connector (APCI-7800-3)
Operating Temperature: 0 to 60 °C (with forced cooling)

 

APCI-7xxx-3 Connection Details

ST075: Round shielded cable, 37 to 4 x 9-pin (for APCI-7500-3)
ST074: Round shielded cable, 37 to 4 x 25-pin (for APCI-7500-3)
ST7809: Round shielded cable, 78 to 8 x 9-pin (for APCI-7800-3)
ST7825: Round shielded cable, 78 to 8 x 25-pin (for APCI-7800-3)

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