4Ć4
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hex number
OPTIONAL TERMINATION
CHARACTERS FOR INPUT
STATEMENTS
1: XĆON, XĆOFF HANDSHAKE
ENABLED (D)
1: HARD COPY DEVICE
0: NON HARD COPY DEVICE (D)
1: ECHO ON (D)
0: ECHO OFF
0: 7ĆBIT CHARACTERS
1: 8ĆBIT CHARACTERS (D)
0: ODD PARITY (D)
1: EVEN PARITY
0: PARITY DISABLED (D)
1: PARITY ENABLED
0: 1 STOP BIT (D)
1: 2 STOP BITS
0: HARDWARE HANDSHAKING
DISABLED (D)
1: HARDWARE HANDSHAKING
ENABLED
0D00 = Default Setting
Figure 4.1 Ć Specifying the SETUP Parameter in an OPEN Statement
4.3
Programmable Tick Rate
Control Block, BASIC, and PC tasks can be executed at a fixed scan
rate. Thescan ratefor a Control Block task is set using the
SCAN_LOOP function; thescan ratefor a BASIC task is set using the
START EVERY statement; the scan rate for a PC task is set in the
editor. (In addition, a BASIC task can be delayed by using the DELAY
statement.) All of these scan rates can be specified in terms of ticks.
Theprogrammabletick rate" allows you to changethedefinition of
thetick. By changing thetick, thetimebasefor tasks is changed.
This changeallows you to run a task at a scan rateother than the
default of 5.5 msec. It also allows you to execute application tasks at
more easily understood scan times (5.0 msec or 10.0 msec.).
Thetick rateis set using theRack Configurator in theAutoMax
Programming Executive Version 3.1 or later. It is not available when
using previous versions of the Programming Executive. The tick rate
can be set when a Processor module is added or modified. The
programmable tick rate can be set in increments of 0.5 msec.
between 0.5 msec and 10.0 msec. For compatibility, the default tick
rate is 5.5 msec. The tick rate is defined separately for each
Processor in a rack.
The tick rate is transferred when the configuration object code is
transferred to the Processor. The tick rate is set on the Processor
immediately when the configuration is loaded.
Содержание AutoMax 57C430A
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