Omnitech OMT724, Руководство пользователя

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RS485 :
RS485 can be connected with PC interface using the RS232-RS485 converter.
With this mode, RS485 interface supports all the functions as RS232 .
GPIO Port :
This reader support 4 output port
（
0-3
）
, user can set it to high or low level :
(when power up default is high level output
）
Head Addr Len Cmd Parameter Parameter Check
0x0A 0x04 0x2D Num level cc
Num : IO port number (0~3)
Level : output level : 0 is low level, 1 is high level.
Baud rate is : 9600 ,
If success will return:
0x0B AA 02 00 09
Input Port :
This reader support 2 input port (1-2), please refer to below:
GND
Input 2
Input 1
Specification: PC enquiry Reader input, Input status command as below: :
Head Addr Len Cmd Check
0x0A FF 0x02 0x2E C7
When reader received, it will get response as below:
（
1
）
When 2 Input are suspend
（
Input 1 and Input 2 are high level
）
, return
Head Addr Len Status Parameter Check
0x0B 0x03 0x00 03 cc
（
2
）
When Input 1 in low level, Input 2 will be in high level, return
Head Addr Len Status Parameter Check
0x0B 0x03 0x00 01 cc
（
3
）
When Input 2 in low level, Input 1 will be in high level, return
Head Addr Len Status Parameter Check
0x0B 0x03 0x00 02 cc
（
4
）
When Input 1 and Input 2 are in low level, return
Head Addr Len Status Parameter Check
0x0B 0x03 0x00 00 cc
Remark :Input default is suspend status and is high level
（
5V
）
PC UHF
Reader