It is very difficult to optimize the dead time due to the great diversity of load on a system. However, it is possible to study each type of load separately and thereby be able to define a typical dead time.
Entering String Input from the Keypad
When a user enters string input at a keypad, the following process
occurs:
1. The user presents a valid access card and/or PIN (if a PIN is
required) to the door reader.
2. The controller for this reader accepts the user’s credentials, and the
door unlocks.
3. Within 3 seconds of the door unlocking, the user enters two
consecutive asterisks (**) at the keypad to enter escape sequence
mode.
4. The keypad LED flashes slowly to indicate that it is waiting for
input.
5. The user enters a numeric string of up to 30 characters (not
including the two asterisks), then terminates the string with the
pound sign (#).
For example: **10# or **6986310#
6. The door makes the string available to a PE program via its
KeypadString attribute.
Entry Rules for String Input
The following rules apply when using a keypad connected to a door to
enter string input:
z
After the door unlocks for a valid access, if more than 3 seconds
elapse before the user enters two asterisks, the door exits escape
sequence mode. The user must begin the process for string input
again.
z
If a user enters more than 30 characters (not including the first two
asterisks), the door detects when the 31st digit is entered. The door
then replaces the 30th character with T to indicate Tamper, and
sends the string to its KeypadString attribute (no # is needed).
Subsequent characters entered as part of the string are ignored.
SCHNEIDER 2704 SCHNEIDER 140CRA93200 SCHNEIDER 170ADM35010 SCHNEIDER BMEH584040C SCHNEIDER HMIGTO4310 SCHNEIDER TM221C24T SCHNEIDER TSXCUSBMBP SCHNEIDER 170ENT11002 SCHNEIDER 140CPU67160S SCHNEIDER 170NEF11021 SCHNEIDER 140cps11420 SCHNEIDER 140aci04000 SCHNEIDER 140aco02000 SCHNEIDER 140NOE77101 SCHNEIDER DAP212 SCHNEIDER LMC101CAA10000
