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8-Channel Isolated Serial I/O PMC Adapter
Advance

PDF print version of this specification.

The 8-Channel Serial Input/Output (I/O) PMC Adapter provides eight channels of simultaneous, bidirectional Universal Asynchronous Receiver / Transmitter (UART) serial communications in PMC formfactor. Seven channels are individually configurable as RS-232 or RS-422 by means of a DIP switch. The adapter conforms to the PCI Local Bus Specification Rev. 2.3.

All serial I/O lines have voltage isolation to 2 500 Volts.

A 4-channel version is available as a lower cost option.

Block Diagram
Functional Block Diagram : 8-Channel Isolated Serial I/O PMC Adapter

Architecture

The Serial I/O Adapter employ a high performance, industry standard 16550 compatible, 8-channel PCI-based UART. The serial I/O channels are connected to both RS-232 and RS-422 transceivers. The transceivers are enabled or disabled by a configuration Dual In-line Package (DIP) switch.

Features

  • Direct low-level control of the serial communication channels
  • Supports many different combinations of RS-232 and RS-422 communications interfaces simultaneously
  • Voltage isolation on all serial I/O lines
Applications
  • Mission-critical I/O
  • Intrinsically safe environments

Bus Interface 32 bit, 66 MHz
Electrically : PCI Rev. 2.3; 3,3 V PCI signaling, 5 V tolerant
I/O Addresses Automatically assigned to the slot by PCI Rev. 2.2 Plug-and-Play
Interrupts PCI INT A
Termination 120 Ohm for RS-422 for each serial I/O channel
Voltage Isolation 2 500 V (channel to PMC at Relative Humidity < 50%)
Communications Controller EXAR XR17D158 Octal PCI UART
Power 3,3 V at < 1,0 A 3,3 W (typical)
3,3 V at < 1,5 A 5,0 W (maximum)
Serial I/O Interfaces Channels 1 to 7 : RS-232 : TxD, RxD, RTS, CTS
Channels 1 to 7 : RS-422 : TxD+, TxD-, RxD+, RxD
Channel 8 : RS-422 : TxD+, TxD-, RxD+, RxD
Bit Rates Serial I/O Clocking Mode RS-232 RS-422
Asynchronous 921,6 kbit/s 1,8432 Mbit/s
(up to 6,25 Mbit/s
with custom oscillator)
Power 3,3 V at < 1,0 A 3,3 W (typical)
3,3 V at < 1,5 A 5,0 W (maximum)
MTBF Figures according to MIL-HDBK-217F, Parts Stress Method
Commercial and Industrial Grades Ground Benign, Controlled, 25 C 350 000 hours
Ruggedised Grade Ground, Mobile, 45 C
Naval, Sheltered, 40 C
Airborne, Inhabited Cargo, 55 C
30 000 hours
60 000 hours
50 000 hours
Software Drivers VxWorks; Linux
Physical Characteristics
Formfactor Dimensions Mass
PMC
(IEEE Std 1386.1-2001)
149,00 mm x 79,00 mm, conforming to CMC envelope 90 g +/- 10 g
CCPMC
(ANSI / VITA 20-2001)
143,65 mm x 79,00 mm, conforming to CMC envelope 80 g +/- 5 g
Connector / Cable Assemblies
Optional connector / cable assemblies available in 0,5; 1,0; 2,0; 3,0 metre or custom cable lengths.
Board-side connectors are two Tyco 50-pin connectors.
Terminal equipment side connectors are D-type 9-pin connectors.
Backplane I/O on PMC Jn4 connector for Conduction-Cooled version.
Environmental Specifications
Grade Commercial Industrial Ruggedised /
Conduction-Cooled
Temperature
- Operating
- Storage
 
0 C to +55 C
-40 C to +85 C
 
-15 C to +75 C
-40 C to +85 C
 
-40 C to + 85 C
-55 C to +125 C
Humidity 0% - 90% 0% - 95% 0% - 95%
Shock 10 g peak for 11 ms 20 g peak for 11 ms 40 g peak for 11 ms
Vibration
- Sine
- Random

2 g (peak) at 10 Hz to 100 Hz
0,04 g/Hz at 15 Hz to 2 kHz

5 g (peak) at 5 Hz to 2 kHz
0,06 g/Hz at 15 Hz to 2 kHz

10 g (peak) at 5 Hz to 2 kHz
0,1 g/Hz at 15 Hz to 2 kHz
Part Designation Formfactor / Cooling Type Grade Serial I/O Channels
CCII/ISIO/PMC/4PU/FP/COM PMC / Air Commercial 4 total
CCII/ISIO/PMC/4PU/FP/IND PMC / Air Industrial 4 total
CCII/ISIO/PMC/4PU/FP/RGD PMC / Air Ruggedised 4 total
CCII/ISIO/PMC/4PU/BP/CC CCPMC / Conduction Ruggedised 4 total
CCII/ISIO/PMC/8PU/FP/COM PMC / Air Commercial 8 total
CCII/ISIO/PMC/8PU/FP/IND PMC / Air Industrial 8 total
CCII/ISIO/PMC/8PU/FP/RGD PMC / Air Ruggedised 8 total
CCII/ISIO/PMC/8PU/BP/CC CCPMC / Conduction Ruggedised 8 total


CLCPSS05 Rev. 4  2012-08-03
CCII Systems (Pty) Ltd P.O. Box 171 Rondebosch 7701  South Africa 
Telephone : (+27 21) 683 5490 Facsimile : (+27 21) 683 5435 WWW : www.ccii.co.za