9Memory Adapter Technical Data ............................................................................ 25
10Repair and Replacement Parts Service
DKD Calibration Lab and Rental Instrument Service .............................................. 27
11Product Support ..................................................................................................... 27
2GOSSEN METRAWATT GMBH
1Introduction
Interface Adapter
Whereas interface adapter BD232 allows for online transmission of measured values from
multimeter to PC, memory adapter SI232/-II is additionally capable of saving multimeter data
on-site without a PC. The values thus stored to memory can subsequently be transmitted to
a PC.
PC-Analysis Software
METRAwin 10 is a high-performance analysis software for use with WINDOWS.
It allows for user-friendly recording, storing, display and documentation of measurement
data from up to 10 multimeters.
Data display is possible in multimeter, recorder or data logger format.
Measurement data are saved in ASCII format for further processing.
The required operating language can be selected for the software.
Upon request we can supply you with an interface description for our multimeters to enable
programming of your own Windows applications.
If you would like to use our multimeters together with LabView software from National Instruments, the corresponding driver is available from our product support team, see chapter 11.
2System Requirements as from software version 5.0 (32 Bit)
Software
– MS WINDOWS 95/98/ME, NT or 2000
Hardware
– IBM compatible WINDOWS PC, Pentium-CPU or better with 32 MB RAM
– VGA monitor
– Hard disk with at least 20 MB available memory
– 3½“ floppy disk drive
– MICROSOFT compatible mouse
– a WINDOWS supported printer, if required
– 1 serial interface COM1 or COM2
GOSSEN METRAWATT GMBH3
3Multimeter, Adapter and METRAwin 10 Operating Modes
3.1General Information
• The address for the adapter and its corresponding multimeter must be identical.
• The baud rates for the adapter and the multimeter must also be the same.
• The multimeter’s sampling rate should be faster than the speed at which data are
requested by the memory adapter or METRAwin 10 software.
3.2Saving Measurement Data to Memory in the Multimeter
– for METRAHit 22M, 26M and 29S only
METRAHit, 22M,
26M or 29S only
store
rate:
send off
Rotary Switch:
set to measuring
function
3.3Reading Out the Multimeter’s Memory
– for METRAHit 22M, 26M and 29S only, with SI232-II or BD232
SI232-II
Adr: 1
Bd-PC: 9600
PC
Bd-MM: 8192
Mode: pc
METRAHit, 22M,
26M or 29S only
Adr: 1
Adapter: SI232
* store/online
rate:
send off
Rotary Switch:
set to measuring
function
METRAwin 10
Set/Device type ..., Set/Channels ...
File/Read memory
4GOSSEN METRAWATT GMBH
BD232
Adr: 2
Bd-PC 9600
fixed
METRAHit 22M,
26M, 29S only
Adr: 2
Adapter: BD232
rate:
send off
Rotary Switch:
set to measuring
function
Up to 10 devices simultaneously
- when reading out memory,
Up to 4 devices simultaneously
- for live data transmission
* online only with
METRAHit 28S or 29S,
otherwise select store.
3.4Configuring Multimeter Parameters
– for all METRAHit 2x with SI232-II or BD232
SI232-II
Adr: 1
Bd-PC: 9600
PC
Bd-MM: 8192
Mode: pc
METRAHit 2x
only
Adr: 1
Adapter: SI232
* store/online
rate:
send off
Rotary Switch:
set to measuring
function
BD232
Adr: 2
Bd-PC 9600
fixed
METRAHit 2x
only
Adr: 2
Adapter: BD232
rate:
send off
Rotary Switch:
set to measuring
function
METRAwin 10
Set/Device type..., Set/Channels ...
* online only with
METRAHit 28S or 29S,
otherwise select store.
3.5Receiving Live Measurement Data from the DMM
– via adapter, but without saving to memory in the adapter
* online only with METRAHit 28S or 29S, otherwise set to store.
METRAHit 1x, 2x
Adr: 2
Adapt.: SI232
* store/online
rate:
send on
Rotary Switch:
set to measuring
function
METRAHit 2x only
Adr: 1
Adapt.: SI232
* store/online
rate:
send off
Rotary Switch:
set to measuring
function
METRAHit 2x only
Adr: 1
Adapter: BD/RS
rate:
send off
Rotary Switch:
set to measuring
function
SI and BD adapters can be mixed when using any METRAHit 2x. However, only SI adapters
may be utilized if METRAHit 1x/2x are used in combination. If more than 4 adapters are
used, set the baud rate to 19.2 kBd, or to 9.6 kBd for fewer than 4 adapters.
GOSSEN METRAWATT GMBH5
3.6Saving Measurement Data to the SI232/-II Memory Adapter
The memory adapter can be used with all multimeter versions.
SI232
Adr: 1
Baud: 9600
Mode: store
METRAHit 1x, 2x
Adr: 1
Adapter: SI232
store
rate:
send on
Rotary Switch:
set to measuring
function
SI232-II
Adr: 2
Bd-PC: 9600
Bd-MM: 8192
Mode: store
METRAHit 1x, 2x
Adr: 2
Adapter: SI232
* store/online
rate:
send on
Rotary Switch:
set to measuring
function
* online only with
METRAHit 28S or 29S und SI232-II,
otherwise select store.
Exception: Power and mains disturbance measurements (VAC + dropouts + peaks) with the
29Smultimeter can only be saved to internal multimeter memory.
Note: It is advisable to synchronize the clocks at the multimeter and the adapter before
starting memory mode operation.
3.7Reading Out Measurement Data from the SI232/-II/-II Memory Adapter
and Configuring Adapter Parameters
SI232/-II
SI232/-II
Adr: 1
PC
Baud: 9600
Mode: pc
METRAHit 1x, 2x
Settings have no
significance.
6GOSSEN METRAWATT GMBH
Adr: 2
Baud: 9600
Mode: pc
METRAHit 1x, 2x
Settings have no
significance.
METRAwin 10
Set/Device type ..., Set/Channels ...
File/Read memory
4Adapter Connection and Initial Start-Up
4.1Connecting the Adapter
The screw connections between the stacked adapters serve exclusively to secure the
connections at the serial interface plug connectors. Disconnect each individual adapter prior
to transport in order to prevent them from being damaged.
➭ Connect the 9-pin subminiature socket at the connector cable to a vacant COM port at
the PC.
➭ Plug the other end of the cable into the left side of the first adapter. Plug additional
memory adapters into the right side.
➭ Secure the plug connections between the individual memory adapters by tightening the
screws.
➭ Plug the multimeters into the adapters.
Caution
The memory adapter’s housing is made from electrically conductive plastic. It may
!
not be allowed to come into contact with voltage conducting components.
4.2Initial Start-Up - SI232-II Memory Adapter
Before data can be transmitted to the PC, an individual address must be selected for each
memory adapter, and the memory adapter must be set to transmission mode operation (PC
or online) (see memory adapter operating instructions).
If several memory adapters are used, the same transmission speed must be selected for all
devices.
If more than 4 memory adapters are used in the online mode, a transmission speed of 19,200 baud must be selected in order to assure interference-free data transfer.
➭ Set the required multimeters to data transmission before performing measurement by
simultaneously pressing the DATA key and the ON key.
➭ Check the addresses for the interconnected memory adapters.
➭ Start the PC and METRAwin 10 software.
All interconnected memory adapters are addressed via the serial port and a connection
with the PC is established automatically (see PC function, chapter 6.2, page 12 and
chapter 7.10, page 22).
➭ Activate “Adapter” under menu item “Set/Channels” in the “Interface” field and select the
appropriate port and transmission speed for your system.
➭ Check data transmission to the PC by clicking the “Test” button under menu item “Set/
Channels”.
➭ The memory adapters can be addressed and configured individually under menu item
“Set/Memory adapter”, and the clock and transmission speed can be selected.
➭ In order to perform a measurement, click “Operating mode: ONLINE” under menu item
“Set/Memory adapter”. All memory adapters connected to the interface are placed
online and can be queried with their respective addresses.
➭ Save the selected configuration under menu item “Set/Save configuration”.
This command saves all configurations which have been selected in the “Set” menu.
Measurements can then be performed with the selected configuration.
GOSSEN METRAWATT GMBH7
➭ After selecting the “File/Measure” menu item, the recorded measurement values are
transmitted to the PC and are displayed at the monitor in accordance with the display
mode selected in the “Set” menu.
4.3Initial Start-Up – BD232 Interface Adapter
➭ Set the multimeter to the data transmission mode before performing measurement by
simultaneously pressing the DATA key and the ON key.
➭ Start the PC and METRAwin 10 software.
A connection to the PC is established automatically and the LEDs at the interface adapter
indicate that data transmission is in process.
1
1
2
3
3
Figure 4.1 Memory Adapter Operating Elements
1 RS232 Interface
The RS232 data interface connects the adapters to one another, and to the PC.
2LEDs
The LEDs indicate data transmission status. The red LED blinks when data are transmitted to the PC, and the green LED blinks when data is transferred from the PC to the multimeter.
3 Connection between two adapters with fastening screws
☞
Note
Please note that chapter 5 and chapter 6 do not apply to this interface adapter
because it does not include any operating elements.
8GOSSEN METRAWATT GMBH
5Operating Elements, Switching the Adapter ON and OFF, Replacing the Batteries
5.1Keypad, Interface
1
3
4
DATAON
21.978 mA
3
5
6
2
7
2
Figure 4.2 Memory Adapter Operating Elements
1LCD
Displays the respective menu item during manual operation of the memory adapter.
2 Connection between two adapters with fastening screws
3 RS232 Interface
The RS232 data interface connects the adapters to one another, and to the PC.
4ESC Key
The ESC key is used to exit the current menu level and return to the next highest level.
5ON/OFF or ENTER Key
Turns the adapter on and off and acknowledges the selected menu item.
6Scroll UP Key
This key is used to select individual menu items by scrolling up, and to increase values.
7Scroll DOWN Key
This key is used to select individual menu items by scrolling down, and to decrease
values.
☞
GOSSEN METRAWATT GMBH9
Note
Various functions can be selected with hot-key combinations (chapter 6.2, page 12
“Adapter Shortcut Functions”).
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