Difference between revisions of "Voltcraft VC-830"

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(Created page with "{{Infobox multimeter | image = 180px | name = Voltcraft VC-830 | status = in progress | source_code_dir = serial-dmm...")
 
(→‎Protocol: Mode selection wheel mapping.)
 
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| image          = [[File:Voltcraft vc830.png|180px]]
| image          = [[File:Voltcraft vc830.png|180px]]
| name            = Voltcraft VC-830
| name            = Voltcraft VC-830
| status          = in progress
| status          = supported
| source_code_dir = serial-dmm
| source_code_dir = serial-dmm
| counts          = 6000
| counts          = 6000
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'''Multimeter''':
'''Multimeter''':
* TODO.
* Fortune Semiconductor FS9922-DMM4
* ...


'''RS232 cable:'''
'''RS232 cable:'''
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A [http://www.produktinfo.conrad.com/datenblaetter/100000-124999/124601-in-01-en-RS232_com_protocol_VC_850.pdf short protocol description is also available from Voltcraft/Conrad].
A [http://www.produktinfo.conrad.com/datenblaetter/100000-124999/124601-in-01-en-RS232_com_protocol_VC_850.pdf short protocol description is also available from Voltcraft/Conrad].
This DMM is wired up a bit differently than "normal" for the diode mode, see below. The '''MEA5''' to '''MEA1''' bits are inputs of the FS9922-DMM4 chip, controlled by the position of the mode selection wheel on the DMM.
{| border="0" style="font-size: smaller;" class="alternategrey sigroktable"
|-
!Mode (selection wheel)
!MEA5
!MEA4
!MEA3
!MEA2
!MEA1
!Mode (FS9922-DMM4 datasheet)
|-
| Voltage AC
| 1
| 0
| 1
| 1
| 0
| AC V (6.000V ~ 6000V)
|-
| Voltage DC
| 1
| 1
| 0
| 1
| 0
| DC V (600.0mV ~ 6000V)
|-
| Capacitance
| 1
| 0
| 0
| 1
| 1
| Capacitance
|-
| Resistance / continuity
| 0
| 1
| 1
| 0
| 0
| Ohm / beeper
|-
| Diode
| 0
| 1
| 1
| 0
| 1
| <span style="background-color: yellow">ADP (6.000)</span>
|-
| Frequency / duty cycle
| 1
| 0
| 1
| 0
| 0
| Hz / Duty
|-
| DC / AC current (µA)
| 1
| 1
| 0
| 1
| 1
| DC / AC µA (600.0µA / 6000µA)
|-
| DC / AC current (mA)
| 1
| 1
| 1
| 0
| 1
| DC / AC mA (60.00mA / 600.0mA)
|-
| DC / AC current (10A)
| 1
| 1
| 1
| 1
| 0
| DC / AC A (6.000A / 60.00A)
|}
When the mode selection wheel is turned to "diode" setting, the FS9922-DMM4 chip will not be put into one of its known "diode" modes ("Diode/Beeper", "Ohm/Diode/Beeper/cap.", or "Ohm/Beeper/Diode") but instead it will use the "ADP (6.000)" setting. This will light up COM4/SEG22 on the LCD (which is a "diode" symbol on this DMM) and in the PC protocol the "z1" user-defined bit will be set (but '''not''' the "voltage" and/or "diode" bits, as one would expect). Thus, some [http://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff;h=e52bb9be8351b8c4f960d998a62dfbd05b8fa637 special handling] is needed in order to properly parse the diode mode setting.
See the [http://www.ic-fortune.com/upload/Download/FS9922-DMM4-DS-11_EN.pdf Fortune Semiconductor FS9922-DMM4] datasheet page 11 ("Measuring Modes Select") and 12 ("ADP Input/User-Defined Symbols and Confirmation of Decimal Locations") for details.


== Resources ==
== Resources ==
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[[Category:Device]]
[[Category:Device]]
[[Category:Multimeter]]
[[Category:Multimeter]]
[[Category:In progress]]
[[Category:Supported]]

Latest revision as of 23:41, 3 September 2013

Voltcraft VC-830
Voltcraft vc830.png
Status supported
Source code serial-dmm
Counts 6000
IEC 61010-1 CAT III (1000V) / CAT IV (600V)
Connectivity RS232 / USB
Measurements voltage, resistance, diode, continuity, capacitance, frequency, duty cycle, current
Features autorange, hold, relative, test-lead-detection (TLD), backlight
Website conrad.de

The Voltcraft VC-830 is a 6000 counts, CAT III (1000V) / CAT IV (600V) handheld digital multimeter with RS232 or USB connectivity.

Hardware

Multimeter:

  • Fortune Semiconductor FS9922-DMM4
  • ...

RS232 cable:

USB cable:

Photos

Multimeter:

  • Device, top

  • Device, bottom

  • Battery compartment

  • IR

  • LCD

RS232 cable:

See Device cables#UNI-T_UT-D02.

USB cable:

See Device cables#UNI-T_UT-D04.

Protocol

See Multimeter_ICs#Fortune_Semiconductor_FS9922-DMM4.

A short protocol description is also available from Voltcraft/Conrad.

This DMM is wired up a bit differently than "normal" for the diode mode, see below. The MEA5 to MEA1 bits are inputs of the FS9922-DMM4 chip, controlled by the position of the mode selection wheel on the DMM.

Mode (selection wheel) MEA5 MEA4 MEA3 MEA2 MEA1 Mode (FS9922-DMM4 datasheet)
Voltage AC 1 0 1 1 0 AC V (6.000V ~ 6000V)
Voltage DC 1 1 0 1 0 DC V (600.0mV ~ 6000V)
Capacitance 1 0 0 1 1 Capacitance
Resistance / continuity 0 1 1 0 0 Ohm / beeper
Diode 0 1 1 0 1 ADP (6.000)
Frequency / duty cycle 1 0 1 0 0 Hz / Duty
DC / AC current (µA) 1 1 0 1 1 DC / AC µA (600.0µA / 6000µA)
DC / AC current (mA) 1 1 1 0 1 DC / AC mA (60.00mA / 600.0mA)
DC / AC current (10A) 1 1 1 1 0 DC / AC A (6.000A / 60.00A)

When the mode selection wheel is turned to "diode" setting, the FS9922-DMM4 chip will not be put into one of its known "diode" modes ("Diode/Beeper", "Ohm/Diode/Beeper/cap.", or "Ohm/Beeper/Diode") but instead it will use the "ADP (6.000)" setting. This will light up COM4/SEG22 on the LCD (which is a "diode" symbol on this DMM) and in the PC protocol the "z1" user-defined bit will be set (but not the "voltage" and/or "diode" bits, as one would expect). Thus, some special handling is needed in order to properly parse the diode mode setting.

See the Fortune Semiconductor FS9922-DMM4 datasheet page 11 ("Measuring Modes Select") and 12 ("ADP Input/User-Defined Symbols and Confirmation of Decimal Locations") for details.

Resources

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