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1-2 Industio CI-134 Series User’s Manual
Automatic Data Direction Control for RS-485
To ease the 2-wire RS-485 half-duplex control, Automatic Data Direction Control
intelligence is built on each
Industio CI-134 board. Eliminating the need of software
interference. Hence, the applications can manage the RS-485 port without extra code
to control the half-duplex protocol.
Termination Resistors Ready for RS-422/RS-485
Termination Resistors are already installed on the Industio CI-134 boards and no
more headaches for finding proper resistors and connecting them for impedance
matching problem. More details are in chapter, “Connection Cable and Cable
Wiring”.
Surge/Isolation Protection
To meet the demand of high reliability in industrial environment and to prevent the
boards from damage caused by lighting or high potential voltage, an optical isolation
option (2KV) and surge block option (2KV) are available. This is critical to harsh
environment such as factory.
ASIC Design, Compact Size
The Industio CI-134 Series is equipped with MOXA customer-designed ASIC chip,
which replaces lots of conventional IC and hence reduces the board to half-size,
increase the operation performance, and lower the failure rate of the board. Full range
of I/O addresses and IRQ numbers are available. In addition, with
on-board
EEPROM
for storing the configuration data, the family is designed without jumper
or switch. These features make each port on the board truly independent to any other
port and thus compatible with most existing non-intelligent boards. Because the
family is so flexible in hardware configuration, it is compatible virtually with all
kinds of other manufacturer's non-intelligent multiport boards using 16550 UART.
CAP Address
Instead of using traditional jumper or switch for IRQ and I/O address settings,
hardware configuration of each port is easily set by DOS utility,
Io-irq.exe, which
read and write the on-board EEPROM for configuration information through the
CAP (Configuration Access Port) address. The CAP address is the only channel via