NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
119
Command Frame (Get 24
-
hr Self-Check Time)
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag
& Protocol
Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
CRC (LSB)
CRC (MSB)
ViVOtech2\0
25h
07h
00h
00h
Response Frame (Get 24hrs Self-Check Time)
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Byte 16
Byte 17
Header Tag
& Protocol
Version
Command
Status Code
Data Length
(MSB)
Data Length
(LSB)
Hours
Minutes
CRC
(LSB)
CRC
(MSB)
ViVOtech2\0
25h
See
00h
02h
BCD
format
BCD
format
If the status code does not return
OK
, the command failed.
8.2.
General Commands
8.2.1.
Ping (18-01)
The
Ping
command checks if the ViVOpay reader is connected to the terminal. If the ViVOpay
reader is connected, it responds with a valid response frame; otherwise there is no response.
Command Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag &
Protocol
Version
Command
Sub-
Command
Data
Length
(MSB)
Data
Length
(LSB)
CRC (LSB)
CRC (MSB)
ViVOtech2\0
18h
01h
00h
00h
B3
CD
Response Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag &
Protocol Version
Command
Status Code
Data Length
(MSB)
Data
Length
(LSB)
CRC (MSB)
CRC (LSB)
ViVOtech2\0
18h
00h
00h
00h
FA
83