Usb Interface - VOLTCRAFT VBM-80 Bedienungsanleitung

10. uSB INTERfACE

The meter has a serial USB interface (8) for data exchange with a computer. It is located at the upper housing side.
The interface is designed in the form of a device-specific socket and requires the enclosed data cable.
At initial commissioning first install the enclosed software and the associated device drivers
before connecting the meter to the computer.
The serial data signal is made up in the following order:
1. Baud Rate
2. Message Head - Length - Type Function Code - Display 1 - Display 2 - Status Code - validate - 2 Byte - 1 Byte -
1 Byte - Null - 5 Byte - 4 Byte - 6 Byte - 2 Byte
Message Head
Message Length
Message Type
Display code
Status Code
validate Counts
3. Status Code
Status Code 1
Status Code 2
Status Code 3
Status Code 4
Status Code 5
Status Code 6
19200
ABCD
21 Bytes
0 Real time data, 1 Stored Data
Sent by 1(2) ASCII Sequence
Example 1.003, "1"".""0""0""3"
composed 0x30+Status code.
Format as follows: 0 0 1 1 Ol2_flag Ol1_flag Manu_flag Hold_flag
Checksum of "Message head" to the last status code
0 0 1 1 Shutdown
0 0 1 1 HOLD
0 0 1 1 Null
0 0 1 1 Bulb
0 0 1 1 Battery Power 3 level
Battery Power 1 level
0 0 1 1 Null
10-500 hz 10-1khz
USB DATA MAX
MM CM/S M/S2
vrms Dp-p Ap
Battery Power 2 level
Battery no power
Null Null Null
10-10khz
33