Specifications
4 PCL-741 User's Manual
Specifications
Board
Number of ports: 2
Protocol selection: RS-232 or 4~20 mA current-loop
UART: 2 x 16C550 (16-byte FIFO)
I/O address selection: From 200H to 3F8H
IRQ selection: 3, 4, 5, 7, 9, 10, 11, 12 or 15
Power isolation: 500 V
DC
Signalisolation: 2500 V
AC
Power consumption: +5 V, 300 mA typical, 1.1 A Max.
Connectors: Dual DB-9 male
Operating temperature: 32 to 122°F (0 to 50°C)
Dimensions: 7.25" x 4.13" (18.4-cm x 10.5-cm)
Weight: 0.2 Kg
RS-232 interface
Signal driver/receiver: MAX-213
Signals: TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND
Opto-isolators: H1 lL1 for all signal lines
Mode: Asynchronous, full duplex
Baud-rate: 50 to 57600 bps
Stophits: 1,1.5,2
Parity: Even, odd or none
Data bits: 5, 6, 7, 8