External Trigger Polarity - Microscan MS-7100 User Manual

Chapter 2 Menu Configuration
Timeout (in 10 ms incs)
Default: 100 (one second). Corresponds to 1000 ms displayed in the
menu.
Options: 0 to 65535. Divide the number entered on the command line by
100 for time in seconds.
Note: Timeout or Timeout & New Trigger under End of Read Cycle
must be enabled for Timeout (in 10 ms incs) to take effect.
Allows you to define the duration of the timeout period.
Serial Trigger Character
Default: ^]. Corresponds to <GS > displayed in the menu.
Options:A single ASCII character, including control characters, except a NUL
(00H), an existing host command character,
Control characters entered on the command line are displayed in the menu as
mnemonic characters. See
Table A-1, "ASCII Table with Control Characters," on page
Note: Serial Data
enabled for Serial Trigger Character to take effect. "N/A" is displayed in the
menu when all other triggering modes are enabled.
Allows you to define a single ASCII character as the host serial trigger char-
acter that initiates the read cycle. The serial trigger is considered an on-line
host command and requires the same command format as all host com-
mands (that is, to be entered within the < > brackets).

External Trigger Polarity

Default: Positive
Options: Positive, Negative
Note: External Level
Edge (page 2-14) must be enabled for External Trigger Polarity to take effect.
"N/A" is displayed in the menu when all other triggering modes are enabled.
Allows you to determine whether a positive or negative transition will initiate
the read cycle.
Note: If using the Microscan object detector (P/N 99-440001-03), use positive
trigger polarity.
1. For example, assigning an upper case D would nullify the <D> (Enter Menu Configuration)
command. For a list of operational commands used by the scanner, see
2-16
MS-7100/7180 Industrial Scanner User's Manual
1
or an on-line protocol character.
"Defining Special Characters" on page 2-4
(page 2-14) or Serial Data & Edge
(page 2-13) External Edge (page
(page 2-14,)
and
A-5.
(page 2-14) must be
2-13) or Serial Data &
table 5-1 on page 5-2.