Owner`s manual

Serial Port Configuration allows you to program the

baud rate, word size, stop bits, parity and XON/XOFF

handshaking for each individual port of the V74 module.

Port Device Name allows individual logical names to

be assigned to each port for reference while is in

configuration mode. Port I.D. formats the port

identification code that precedes messages. Designate

Host Module Location is used to assign which host

module will receive messages while the V74 is operating

in immediate reporting mode. Message Terminate

Character is used to program the single character that

indicates a complete message has been received while

the V74 is operating in immediate and command

reporting modes. Mode of Operation allows you

change from one of four reporting modes. These include

full duplex communication, immediate message mode,

command mode and immediate data mode on request.

If Time Tag Mode is enabled, the date and time a

message was received by the V74 module is sent to the

host computer in addition to the port ID. Connect Port

ID Echo can be either enabled or disabled(default). If

Connect Port ID Echo is enabled, the programmed Port

ID will be sent to the host computer whenever a serial

I/O port is selected. Port EIA Driver is used select

between EIA-485 and EIA-422 on the V86 module.

1.4 OPERATION

This section describes the procedure to issue data

commands, data presentation examples, and a brief

description of the supported data commands for each

I/O module.

1.4.1 HOST CONNECTION TO MODULES

An I/O module is selected when the user sends a select