Specifications

Chapter 1 Introduction 3

• Provides 2000 V

surge protection (PCL-846B/847B)

• Space reserved for termination resistors

• Supports 2 wire or 4 wire operation

• Supports Tx, Rx, RTS, and CTS signals

• Automatic RS-485 data flow control or RTS control

• RS-422 on Auto/RTS/On mode

Specifications

• Ports: 4

• UART: 4 x 16C550 with 16-byte FIFO

• Speed: 50 ~ 921.6 Kbps

• Parity: none, even, odd

• Signal support:

TxD+, TxD-, RxD+, RxD-, CTS+, CTS-, RTS+, RTS- and GND

• I/O address: From 200H to 3F8H

• IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15

• Isolation voltage: 1000 V

(PCL-846A/846B only)

• Surge protection: 2000 V

(PCL-846B/847B)

• Power consumption: PCL-847; +5 V @ 460 mA typical, 570 mA max.

PCL-846; +5 V @ 970 mA typical, 1200 mA max.

• Cables: 30-cm male DB-37 to four male DB-9 (DTE)

• Operating temperature: 0 ~ 60°

C (32 ~ 140°

F) (refer to IEC-68-1.2.3)

• Storage temperature: -25 ~ 80°

C (-13 ~ 176°

• Dimensions: 185 mm x 100 mm (7.3" x 3.9")

• MTBF: PCL-847A 126630 hrs at 25°

C Ground, Fixed environment

PCL-847B 120992 hrs at 25°

C Ground, Fixed environment

PCL-846A 105014 hrs at 25°

C Ground, Fixed environment

PCL-846B 101107 hrs at 25°

C Ground, Fixed environment

• For technical support and service please visit our support website at

http://support.advantech.com

and visit the "Industrial Automation Support" and "FAQ" sections.