Attention
: Install a 1N4004 or equivalent diode across the locking device when using a common power
supply to prevent any back E.M.F as the reader might damage. (1N4004 is included in the packing)
Function Description
Relay operation (Pulse mode and Toggle mode)
Both relays can operate in Pulse Mode (suitable for access control) or Toggle Mode (suitable for
arming/disarming alarms, switching lights, machines….etc)
Every time a valid card/fob is presented or a Pin input is made in Pulse Mode, the relay will operate, for the
pre-set relay pulse time
Every time a valid card/fob is presented or a Pin input is made in Toggle Mode, the relay changes state, which
will not revert until a valid card/fob is re-presented or a Pin input is re-made
Anti-tamper Alarm
– Please the last page for this
The K401-EW uses an LDR (light Dependent Resistor) as an anti-tamper alarm. If the keypad facia is removed,
or a sudden change in light source, the tamper alarm will bleep constantly
PROGRAMMING
Programming will vary depending on access confirguration. Follow the instructions according to your access
configuration
Programming 1 -------------------- Configure the K401-EW
Change the configure settings according to your application (optional). Multiple configuration settings can be
changed at one time: enter program mode, change the desired settings, then exit program mode
Set Master Code
The 4-6 digit Master Code is used to prevent unauthorized access to the system. To interface with the
K401-EW, the manager will need a Master Code (factory default code: 123456). We recommend immediate
update and recording of your Master Code
Programming Step
Keystroke Combination
1. Enter Program Mode
﹡
(Master Code) #
2. Update Master Code
0
（
New Master Code
）
#
（
Repeat New Master Code
）
#
3. Exit Program Mode
*
