Voltcraft VC-890 OLED DMM Digital Multimeter with Software included CAT IV 600V, CAT III 1000V VC890 OLED Guía De Información
Los códigos de productos
VC890 OLED
3.2
Live Data
For the Live Data message, the payload of the message contain the corresponding values with the current measurement
mode of the DMM, where it can be separated into DMM Function, Display 1, Display 2, Display 3, Display
4,Display5,Display6and Status. The message format is shown as in the following table.
Header
Length
Msg
Type
DMM
Functio
n
Display
1
Display2
Display
3
Display
4
Display
5
Second
freque
ncy
Unit
Display
6
Display
Bar
Status
Check
Sum
2 Byte
1 Byte
1 Byte
2 Byte
7 Byte
8 Byte
10 Byte
8 Byte
8 Byte
3 Byte
4 Byte
2
7 Byte
2 Byte
Msg[0]-
Msg[1]
Msg[2]
Msg[3]
Msg[4]-
Msg[5]
Msg[6]-
Msg[12]
Msg[13]
-Msg[20
]
Msg[21]
-Msg[30
]
Msg[31]
-Msg[38
]
Msg[39]
-Msg[46
]
Msg[47
]-Msg[4
9]
Msg[50]
-Msg[53
]
Msg[54]
-Msg[55
]
Msg[56]
-Msg[63
]
Msg[64]
-Msg[65
]
DMM Function: Msg[4] – Msg[5]
Two byte is used to represent the selected measurement mode (Msg[4]) and the measurement range (Msg[5]) of the
DMM. All the available measurement mode of the VC890 DMM is listed at the following:
Msg[4]:
Value (HEX)
Measurement Mode
0x00
ACV
0x01
Low-Pass Filter
0x02
DCV
0x03
ACV+DCV
0x04
DCmV
0x05
Frequency
0x06
Duty Cycle
0x07
Resistance
0x08
Short-Circuit Test
0x09
Diode
0x0A
Capacitance
0x0B
Celsius
0x0C
Fahrenheit
0x0D
DCuA
0x0E
ACuA
0x0F
DCmA
0x10
ACmA
0x11
DCA
0x12
ACA
The DMM range can be decode at the HEX value at Msg[5], this single byte vale represents the select range of operation