Me GSV-6CPU, GSV-6L, GSV-6K Instruction Manual

1...6-channel measurement amplifier GSV-6

GSV-6CPU, GSV-6L, GSV-6K

Instruction manual

Version: 27.04.2015

GSV-6L: 12V/24V supply, output current / voltage

GSV-6CPU: 3.7V supply, output 0...3V; CAN, UART, 6x ADC

GSV-6K: 12V/24V supply, output current / voltage

Strain gauges measurement amplifier GSV-6

Contents

Strain gauges measurement amplifier GSV-6.......................................................................2

GSV-6CPU.........................................................................................................................3

Description.....................................................................................................................3

Dimensions....................................................................................................................4

Terminal assignment......................................................................................................4

Configuration interface..............................................................................................5

Strain gauges............................................................................................................5

Voltage supply...........................................................................................................5

Inputs/outputs............................................................................................................5

GSV-6L..............................................................................................................................6

Description.....................................................................................................................6

Dimensions....................................................................................................................7

Terminal assignment......................................................................................................7

5-pin terminal strip.....................................................................................................7

7-pin terminal strip.....................................................................................................7

Functions.......................................................................................................................8

GSV-6K..............................................................................................................................9

Description.....................................................................................................................9

Functions.....................................................................................................................10

Dimensions..................................................................................................................10

Terminal assignment....................................................................................................10

5-pin socket.............................................................................................................10

5-pin plug.................................................................................................................11

Annex...............................................................................................................................11

Technical data of GSV-6CPU......................................................................................11

Technical data GSV-6L / GSV-6K................................................................................13

Factory settings...........................................................................................................14

ME-Meßsysteme GmbH, Neuendorfstr. 18a, DE-16761 Hennigsdorf

2 Tel [phone], Fax [phone], [e-mail], www.me-systeme.de

GSV-6CPU

Description

The GSV-6 product range handles signal processing for strain gauges within the smallest
of spaces.

The core component of the GSV-6 is a PCB measuring 19mm x 14mm.

This "GSV-6CPU" provides all the required functions to set up a 1- to 6-channel
measurement amplifier.

Connector panels and functions for additional applications are expanded via 18-pin strips
with a 1.0 pitch: UART to Bluetooth, CAN bus driver, GPRS modem, etc.

The GSV-6 CPU comes complete with 6 input channels (even before any expansion). One
channel includes bridge excitation and differential input to operate strain gauge full
bridges.

• Strain gauge bridge excitation 3V, max. 60mA

• Strain gauge bridge input

• Analogue output 0-2.5V

• LED output

• TEDS input

• Digital inputs for the "Tare" and "Scale" functions

• 5x analogue inputs 0...3V

• Interfaces "UART", "CAN", "I2C" 1) "SPI"

1)

• Supply voltage 3.6V to 5.5V

• 3x Threshold value indicators 4mA

• 3.3V Voltage output 10mA

• 2.5V Reference 100µA

1) SPI and I2C without software support to date

ME-Meßsysteme GmbH, Neuendorfstr. 18a, DE-16761 Hennigsdorf

Tel [phone], Fax [phone], [e-mail], www.me-systeme.de 3

Dimensions

The GSV-6 CPU module can be configured via an UART configuration interface.
There is also scope to configure the most important settings using the Tare and Scale
cables.

Terminal assignment

ME-Meßsysteme GmbH, Neuendorfstr. 18a, DE-16761 Hennigsdorf

4 Tel [phone], Fax [phone], [e-mail], www.me-systeme.de

Figure 1: Dimensions GSV-6CPU

Figure 2: Terminal assignment GSV-6CPU

Configuration interface

A JTAG and UART interface is available for testing and development via a "BM10B" plug
connector.

Strain gauges

PIN Designation Function Comment

1 +Us (V_DMS) Positive bridge excitation 3 V 60 mA, short-circuit

proof

2 -Ud Negative bridge output

3 +Ud Positive bridge output

4 -Us (AGND) Negative bridge excitation (AGND)

Voltage supply

PIN Designation Function Comment

14 Vcc_IN Supply voltage 3.6 V ...5.5 V

15 GND Ground supply voltage

13 Supply_Warning For shutting down external hardware To be connected to

Vcc_IN

Inputs/outputs

PIN Designation Function Comment

18 Tare Tare >1s in actual-value mode: Zero adjustment

Tare > 100ms in maximum-value mode maximum­value reset

Tare > 2s in maximum-value mode: Zero adjustment

ME-Meßsysteme GmbH, Neuendorfstr. 18a, DE-16761 Hennigsdorf

Tel [phone], Fax [phone], [e-mail], www.me-systeme.de 5

Figure 3: Terminal assignment configuration interface