ZFM-70 SeriesFingerprint Identification Module
User Manual
www.zhiantec.com
Hangzhou Zhian Technologies Co.,Ltd
29
2 bytes
4 bytes
1 bytes
2 bytes
1 bytes
2 bytes
0xEF01
XXXX
0x01
0x0003
0x52
0x56
Acknowledge package format:
Header
Module address
Package
identifier
Package length
Confirmation
code
Checksum
2 bytes
4 bytes
1 bytes
2 bytes
1 bytes
2 bytes
0xEF01
XXXX
0x07
0x0003
XX
XX
Note: Confirmation code=00H: success
Confirmation code=01H, fail to receive package
Confirmation code=02H, no finger on sensor
Confirmation code=03H, capture fail
6.3.5
Handshake
Description: send handshake instruction to module, if module is ok, it will send 0x55 back. If no data return,
the module is work wrong.
Input Parameter: none
Return Parameter: Confirmation code (1 byte)
Instruction code: 53H
Command (or instruction) package format:
Header
Module address
Package
identifier
Package length
Instruction code
Checksum
2 bytes
4 bytes
1 bytes
2 bytes
1 bytes
2 bytes
0xEF01
XXXX
0x01
0x0003
0x53
0x57
Acknowledge package format:
Header
Module address
Package
identifier
Package length
Confirmation
code
Checksum
2 bytes
4 bytes
1 bytes
2 bytes
1 bytes
2 bytes
0xEF01
XXXX
0x07
0x0003
XX
XX
Note:
Confirmation code=55H, it means the module is ok, it can receive instruction.
Confirmation code= other or none, the module work wrong.
By the way, when the module power on, it will send 0x55 to upper computer. The upper computer can send
other command to module.
6.3.6
Auto Enroll fingerprint
Description: Send the instruction, the module will complete a serial of operation. include: capture fingerprint,
generate features, merge two features to one template and store the template to flash.
Input Parameter: wait time for press times for press store number in flash
Return Parameter: Confirmation code (1 byte)