IDM240 module is a 125KHz ID card reader module, It adopts advanced RF receiving circuit and embedded microcontroller, combined with efficient decoding algorithm, to complete the data reception of EM4100 and its compatible ID card.It has the characteristics of accurate card number recognition, no blind spot for card reading, low power consumption, and high cost performance. It provides TTL ，Wiegand 26 and RS232 interface options. Can be customized according to customer requirements, widely used in access control system, school management, community management, membership management, asset management, anti-counterfeiting control and other fields.
|
Models |
Interface |
Voltage |
Cards type |
|
IDM240-5-T(M133) |
5V |
TTL |
Can be set to output the card number continuously or output the card number once |
|
IDM240-5-W (M137) |
5V |
WG26 |
Swipe the card once to output the card number once |
|
IDM240-5-R (M139) |
5V |
RS232 |
Swipe the card once to output the card number once |
|
Pin No. |
Name |
Description |
|
P1-1 |
VCC |
Power |
|
P1-2 |
GND |
Ground |
|
P1-3 |
TXD/WG0 |
UART serial port transmit/Weigand data0 |
|
P1-4 |
WG1 |
Weigand data1 |
|
P1-5 |
NC |
Null |
|
P1-6 |
NC |
Null |
|
P1-7 |
NC |
Null |
|
P1-8 |
ANT1 |
Antenna1 |
|
P1-9 |
ANT2 |
Antenna2 |
|
P1-10 |
A0 |
If = 0: continuously output serial port data; if = 1: output only once (this function is only available if the UART interface module is set, and Wiegand only outputs once) |
|
P1-11 |
A1 |
Card status indication (1: no card indication; 0: card present indication) |
|
P1-12 |
A2 |
Buzzer and LED drive pin, 200ms high level when sensing cards |
|
J1-1 |
TX1 |
2.0mm Antenna Horizontal Mount Interface 1 (Optional) |
|
J1-2 |
TX2 |
2.0mm Antenna Horizontal Mounting Interface 2 (Optional) |
|
Params |
Description |
|
Protocol |
125KHz |
|
Baud rate |
9600 - 115200bit/s (optional，default 115200bit/s) |
|
Power |
DC5V（±5%） |
|
Operating current |
<100mA |
|
Communication Interface |
TTL、Wiegand 26、RS232 |
|
Module embedding |
2.54mm pitch pins |
|
Coil connecting |
optional：2.54 pin or 2.0 slot |
|
Operating distance |
＞50mm（Depends on work environments and card types） |
|
Cards type |
EM4100，TK4100 and compatible cards |
|
Operating temperature |
-10℃~+70℃ |
|
Storage temperature |
-20℃~+80℃ |
|
Operating humidity |
15%~90% |
|
Size |
40mm×40mm (tolerance：±3mm) |
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