Auxiliary Commands - Advanced Micro Controls Inc. 1700 Series User Manual

Backplane Programming
When a Series 1700 module is configured to use block transfers, you have the option of
programming the module using data sent to it by block transfer writes.
Parameter and PLC Program Parameter sections, pgs. 1-8, 1-9.)
series of Program Instructions as shown below. Block transfers can transmit a maximum of
sixty-four words. However, this does not limit how many parameters you can program at one
time.
PROGRAM
INSTRUCTION
PROGRAM
INSTRUCTION
PROGRAM
INSTRUCTION
Figure 1.5 1700 Programming Structure

Auxiliary Commands

Auxiliary Commands affect the operation of the module and do not have data associated
with them. There are nine commands.
Clear Errors - This command clears any programming error messages and any
hý
transducer faults.
Preset Transducer (1-4) - These four commands set the position count of
hý
transducer (1-4) equal to the programmed preset value.
Disable Keyboard - Disables all programming from the keyboard. Parameter
hý
values can be monitored but they cannot be changed.
Enable Keyboard - This command counteracts a previous Disable Keyboard
hý
command. The status of the keyboard disable is retained when power is removed.
The only way to enable the keyboard after a Disable Keyboard command has been
accepted is with this command.
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Chapter 1 Series 1700 Introduction
COMMAND WORD
First Data Word
Last Data Word
COMMAND WORD
COMMAND WORD
First Data Word
Last Data Word
Last Command or Data Word
(See Transfer Type
The programming format is a
hý Each program instruction is made up
of a Command Word and zero or
more Data Words.
hý All transducer setup parameters can
be programmed from the backplane.
Module setup parameters cannot be
programmed from the backplane.
hý There are nine additional program
instructions called Auxiliary
Commands. These commands do
not have data associated with them
and allow you to preset the position,
enable or disable programming from
the keyboard, clear programming
errors and transducer faults, and
enter or exit Read Status Mode.
Four additional commands are
enabled when the module is in read
status mode. Use these commands
to tell the module which parameter
values to transmit to the PLC instead
of position and tachometer data.
1-11