Encompass 4 Reader System Guide
7-46
rithm may be used in Wiegand mode to ensure that the t
ag data is transmitted once and
only once per presence on both serial and Wiegand ports.
Uppercase or lowercase characters are allowed for N;
for example, hex digits A
through F or a through f. The commands and corresponding timeouts are shown in
Table 7-21.
Table 7-21 Timeout Period Values
Command Timeout (ms)
6930 0 (always expired)
6931 4
6932 8
6933 12
6934 20
6935 24
6936 32
6937 48
6938 60
6939 92
693A 152
693B 300
693C 452
693D 600
693E 752
693F Infinite (never expires, factory
de
fault)
Reader response:
Done or Error
The reader returns an Error mes
sage if a valid hexadecimal digit is not substituted
for N in command #693N.
694N Select Input Inversion Option
Command #694N enables or disables input inversion. When inversion is enabled, an
open circuit input is interpreted as a closed circuit, and a closed circuit input is inter-
preted as an open circuit. This feature allows great
er flexibility in the attachment of
external equipment to the reader inputs. For example, some proximity sensors indicate
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