Rockwell Automation 2706-MB1 MESSAGEVIEW 421 SOFTWARE MANUAL User Manual

Page 98

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5–9

Communications Overview

Publication 2706-817

Send data to a display variable with [Ctrl-V]

Used by the ASCII Triggering device to send data to a specific
display variable in the terminal. Each variable must be addressed
individually. Numeric data may be scaled.

Format: [Ctrl-V]Variable Data\ Variable Position\ MV Address[CR]

Variable Data range: -32768 to +65535 for numeric data

any ASCII character for ASCII data

Variable Position range: 1 to 10

Note: Variable position is the position of the variable in the
message, counting from left to right. If the message contains only
one display variable, the position is 1.

MV Address range: 1 to 127 for a single node; 127 to address all
devices

Data enclosed in quotation marks is interpreted as ASCII data, even
if it consists of numbers.

Example: [Ctrl-V]“Press “ACK””\ 1\ 2[CR]

The terminal at node #2 displays Press “ACK” in the first
display variable in the currently active message.

Activate/Deactivate an LED with [Ctrl-L]

Used by the ASCII Triggering device to toggle a specific LED in the
terminal.

Format: [Ctrl-L]LED#\ LED State\ MV Address[CR]

LED# range: 1 to 16

LED State range 0 or 1; 0 represents the LED Off state, 1
represents the LED On state

MV Address range: 1 to 127 for a single node; 127 to address all
devices

Example: [Ctrl-L]4\ 1\ 22[CR]

The terminal at node #22 turns LED #4 On.

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