ME-Messysteme GSV-2 Series Manuel utilisateur
Strain Gage Bridge Amplifier GSV-2
User's Manual
GSV-2LS, GSV-2AS, GSV-2FSD
GSV-2CAN, GSV-2 SD-DI
Updated 14.11.2017
ME-Meßsysteme GmbH
16761 Hennigsdorf Fax: +49 3302 89824 69 Web: www.me-systeme.de
Table of Contents
Description..........................................................................................................................................5
Pin Configuration....................................................................................................................................6
15 pole terminal block for the sensor connection.......................................................................6
5 pole terminal block for RS232 / RS422.......................................................................................7
Backplate of the table case (GSV-2 SD-DI)..................................................................................7
Side panel GSV-2 SD-DI...................................................................................................................8
12-pole terminal block GSV-2 SD...................................................................................................8
Connection scheme 12-pole terminal block.................................................................................9
15-pole SUB-D connector of the GSV-2 SD (-DI).........................................................................9
Connection diagram 15-pole SUB-D connector.........................................................................10
Connection and start-up.....................................................................................................................10
Charging the integrated battery....................................................................................................10
Connecting the sensor...................................................................................................................10
Connecting the serial interface.....................................................................................................11
Commissioning devices with CANopen interface.....................................................................12
3 pole connector plug / socket M8..........................................................................................12
Jumper for terminating resistor 120 Ohm.............................................................................12
Setting the input sensitivity............................................................................................................12
Null-balance calibration..................................................................................................................13
Using switching output...................................................................................................................14
Usage of the keyboard and the menu..........................................................................................14
Advice................................................................................................................................................16
Description of the keys...................................................................................................................16
Number format................................................................................................................................17
Settings of the measuring value display (scaling factor).........................................................17
RS 232/422 Protocol of the GSV-2 Strain Gage Bridge Amplifier GSV-2 ...................................17
Data output.......................................................................................................................................17
Display settings................................................................................................................................18
Output of the register data ............................................................................................................19
Commands to the GSV-2...............................................................................................................19
able of commands........................................................................................................................20
Description of the commands.......................................................................................................23
CANbus / CANOpen protocol of the GSV-2-CANOpen..................................................................56
Connecting the CAN-Bus wires.....................................................................................................56
Bus-termination...............................................................................................................................57
Supported services.........................................................................................................................57
Interpretation of the 1st x-PDO...................................................................................................57
Send-conditions for the 1st x-PDO.............................................................................................58
Default settings:...............................................................................................................................58
General advices and ips ...................................................................................................................59
echnical Data......................................................................................................................................60
CANbus Interface............................................................................................................................61
CANOpen Vendor-ID........................................................................................................................61
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Resolution.........................................................................................................................................62
Description of the jumpers / selectors........................................................................................64
Dimensions of the circuit board GSV-2L....................................................................................64
Dimensions of the aluminium housing of the GSV-2AS...........................................................65
Front panel cut out and housing of the GSV-2FSD....................................................................66
Dimensions of the GSV-2 SD-DI..................................................................................................66
Changelog.........................................................................................................................................66
ME-Meßsysteme GmbH
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Description
he GSV-2 is a strain gauge measuring amplifier with a serial output signal. Depending on
the type, the following interfaces are available: RS232, RS422, USB, CANbus / CANopen,
Ethernet.
he measuring amplifier GSV-2 is available in different housing models and equipment
variants:
•GSV-2 SD-DI: Desktop housing with display, USB, RS232, and integrated,
rechargeable battery
•GSV-2AS, GSV-2ASD: Aluminum housing with RS232, RS422, CANbus, display
•GSV-2FSD-DI: front panel mounting with display, RS232, RS422, CANbus
•he model GSV-2MSD-DI with display, USB, integrated rechargeable battery and SD
memory card (data logger function) is especially suitable for mobile use.
he compact dimensions of the GSV-2 SD-DI and the GSV-2MSD-DI fit into any briefcase.
With the built-in rechargeable battery 14.8V, 2.8Ah with this model, an operating time of at
least 8 hours is possible.
Straingage sensors can be connected either via screw terminals or a 15-pin Sub-D
connector.
he keyboard can be used to recall presettings of up to 6 sensors. In addition to the menu-
driven adjustment of sensor data, the GSV-2 SD-DI and GSV-2MSD-DI allow you to
configure the display for strain gage stress analysis.
he setting of the display during stress analysis with strain gages is menu-driven.
Straingage quarter bridges, half bridges and full bridges can be connected. he amplifier
has built-in bridge complements for 120 ohms, 350 ohms and 1000 ohm strain gauges.
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Pin Configuration
15 pole terminal block for the sensor connection
Figure 1: Terminal block 15pole and 5 pole in GSV-2LS, GSV-2AS, GSV-2ASD and GSV-2FSD
Pin Name Description ip
1 GNDBSupply ground Connection for cable shield
2 +Us Positive bridge sensor supply
3 +UFPositive sens for 6-wire technology
4 +UDPositive differential input
5 -UDNegative differential input
6 -UFNegative sens for 6-wire technology
7 -Us Negative bridge sensor supply
he signals at terminals 2..7 are
recorded by software in channel 0.
Connection of sensors in 4- or 6-wire
technology.
Bridging between +Us and +UF as
well as between -US and -UF are not
necessary.
8 UEAnalogue Input 0..10V
9 UAAnalogue Output ±5 V / option. 4...20mA
10 GNDAGround analogue In/Output
Analog input between UE and GNDA.
he signals between UE and GNDA
are recorded by software in channel
1. Analog output between UA and
GNDA
11 SW1 ² hreshold output No. 1 Open Collector (Open Emitter alternatively),
galvanically isolated
12 ara1are input Affects digital serial and analogue output
13 SW2 2hreshold output No. 2 See ip for SW1
14 UBSupply voltage 12..24 VDC
15 GNDBSupply ground
Connection for supply voltage
able 1: 15pole terminal block in GSV-2LS, GSV-2AS, GSV-2ASD and GSV-2FSD
1 In case of voltages above 3.4 V at this terminal, a tare adjustment is initiated. Offset adjustment is then done in the analog part of the
GSV. In addition the digital output is also set to zero.
2 hreshold values are programmed via the RS 232 port.
ME-Meßsysteme GmbH
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5 pole terminal block for RS232 / RS422
Pin Standard CAN/CANopen Description
A GNDCGNDCGround RS232 / RS422 Interface
B RX / RX- Rx Data connection Rx for RS232 / Rx- for RS422
C X / X- x Data connection x for RS232 / x- for RS422
D RX+ CAN_GND Rx+ for RS422 Ground CAN bus
E X+ CAN_L x+ for RS422 CAN low
F n.a. CAN_H n.c. CAN high
Backplate of the table case GSV-2TSD-DI)
Figure 2: Backpla e GSV-2TSD (-DI)
M8 plug connector for GSV-2TSD-DI CANopen
In the version with CANopen Interface there are two additional M8 male / female
connectors on the backplate.
Pin Funktion Wire colour
1 CAN-H brown
3 CAN-L blue
4 GND black
the CAN-Interface is galvanically isolate .
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Side panel GSV-2TSD-DI
Five 2mm plugs are arranged at the side panel. wo isolated threshold outputs and one
input for the tare / set zero functioa are available.
black Set zero input Input voltage 9 .. 30 Volts
green hreshold 1 CMOS relay outputs,
isolate , 60 VDC, 40 VAC
yellow hreshold 2 CMOS relay outputs,
isolate , 60 VDC, 40 VAC
12-pole terminal block GSV-2TSD
Pin Name Description ip
1 Shielding Shield and GNDBConnect the cable shield here
2 +Us Positive bridge sensor supply
3 +UFPositive sens for 6-wire technology
4 +UDPositive differential input
5 -UDNegative differential input
6 -UFNegative sens for 6-wire technology
7 -Us Negative bridge sensor supply (GND)
he signals at terminals 2..7 are
acquired by software. Connection of
sensors in 4- or 6-wire technology.
Bridging between +Us and +UF as well
as between -US and -UF are not
necessary.
8 -UD2 Negative differential input 2
9 HB Completion for halfbridge
o connect half- and quarterbridges, terminal 8
and 9 must be connected together. See
connection scheme on p.5.
10 QB120 Completion quarterbridge 120 Ohms
11 QB350 Completion quarterbridge 350 Ohms
12 QB1000 Completion quarterbridge 1000 Ohms
For connection of quarterbridge, 120,
350 or 1000 Ohms.
able 2: Connection of 12-pole terminal block GSV-2 SD (-DI)
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Connection scheme 12-pole terminal block
Figure 3: Connec ion of Full-, Half- and Quar erbridge sensors o he 12-pole erminal block
15-pole SUB-D connector of the GSV-2TSD -DI)
Pin Name Description
1 Shielding Cable shield
2 GNDAAnalogue input ground
7 are are input / rigger input
9 UEAnalogue input
10 UAAnalogue output
6 +Us Positive bridge sensor supply
5 -Us Negative bridge sensor supply
8 +UDPositive differential input
15 -UDNegative differential input
13 +UFPositive sens for 6-wire technology
12 -UFNegative sens for 6-wire technology
14 HB Completion for halfbridge
11 QB120 Completion quarterbridge 120 Ohms
3 QB350 Completion quarterbridge 350 Ohms
4 QB1000 Completion quarterbridge 1000 Ohms
o connect half- and
quarterbridges, pin 14
and pin 15 must be
connected together.
Quarterbridges are
connected in 3-wire
technology at pins 5, 8
and QB (3, 11 or 4).
able 4: Connection of SUB-D 15 plug
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Connection diagram 15-pole SUB-D connector
Table 5: Connec ion of Full-, Half- and Quar erbridge sensors o he 15-pole SUB-D connec or
All ground connections are individually protected by interference suppressor inductors in the GSV. erminals
GNDB are connected to the housing via interference suppression inductor. Currents above 1A between the
terminals and the housing result in damage to the interference suppression inductor. Before connecting,
please check whether housing, supply ground, the ground of your data acquisition system and your port are at
the same potential.
Connection and start-up
Charging the integrated battery
he integrated rechargeable battery of the GSV-2 SD-DI is charged via the DC socket 2.1 x
5.5 mm at the back of the device. he state of charge is indicated by the LED on the back of
the device. When the battery is fully charged, the LED goes out or the brightness is reduced.
he charging time is about 8 ... 12 hours.
Connecting the sensor
A strain gage full bridge or a load cell is connected to the amplifier's terminal block as
shown below:
4- Wire technology 6-Wire technology1):
Sensor supply + PIN 2 Sensor supply + PIN 2
Sensor supply - PIN 7 Sensor supply - PIN 7
Sensor signal + PIN 4 Sensor signal + PIN 4
Sensor signal - PIN 5 Sensor signal - PIN 5
Sense wire + PIN 3
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Ce manuel convient aux modèles suivants
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