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	Servo-hydraulic
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	Second user

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	Data acquisition
	Environmental
	Hydraulic power
	Servo-control
	Specimen fixing

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Site Updated
14 June 2006

32bit Servo controller and data acquisition unit

4-axis, 32 bit digital servo controller

10kHz logging

Powerful and versatile software suite

A powerful, value for money solution for machine control and data acquisition

A powerful, value for money solution for machine control and data acquisition

Description
The Si-Plan Electronics Research 879 series servo controller and data acquisition unit is a flexible, stand-alone system, designed for use with the company's range of test machines and as a retro-fit controller to existing machine frames from other manufacturers. The servo control is implemented on the embedded processor. The control algorithm is user accessible via the PC interface.

Firmware

10kHz loop closure achievable

Data logging up to 16 channels, up to 10kHz

Up to 4 axes of servo-control

- Control using any input as feedback or generate a demand output for secondary controller
- Proportional, Integral, Differential and Velocity with high or low pass filters
- Adaptive control adjusts demand waveform to match demand peaks

Internal waveform generator for Sine, Triangle, Square, Parabolic or user waveforms. Alternatively, use an input as an external demand.

Multiple independent data loggers with multiple channels up to 10kHz from any input or any internal parameter.

Machine and test control by block or script programs

- 'C'-like compiled script language with full control over machine and test behaviour
- Block programming language provides simpler control over the system.

Hardware

Dimensions: 530 x 430 x 210 mm high/Vertical config: 160 x 430 x 550mm high.

Weight 11.5kg

Input power supply: 110V/230V 50/60Hz

400MHz Intel XScale™ processor

Fast ethernet connection (10/100BaseT TCP/IP)

DHCP for simple network setup

RS232 legacy communications available

Analogue monitor points conditioned to ±10V/±5V

24 digital inputs up to 30VDC

24 digital outputs, open collector (PNP & NPN)

64Mbyte SDRAM, 32Mbyte FLASH

4 x 24 bit channels of incremental optical encoder support

16 x 16 bit analogue input ±10V(10.24V)/±5V(5.12V) 4 groups of 4 channels, each running at 10kHz (up to 100kHz in certain applications). Each group is acquired simultaneously.

4 x 16 bit analogue outputs ±10V (10.24V)/±5V(5.12V)

I/O easily expandable

PC Software

Test control program

- Start and stop machine and tests. - Allow common test parameters to be adjusted. - Upload block/script programmes. - Upload user waveforms. - Display machine/test status.

DPM program gives multiple DPMs on screen displaying any available parameters

Logger

- Real time XY or XT type graphs - Set up channels and capture rate - Allow logging to be enabled on a cycle or continuous basis. - Output data in CSV format for external analysis, eg Excel™

Trip setup gives multiple trip limits on inputs, digital inputs or hardware trips.

PID setup

Updated 20 April 2005

Si-Plan Electronics Research Ltd, Avenue Farm Industrial Estate,
Birmingham Road, Stratford-upon-Avon, CV37 0HR, UK
Tel International: +44 1789 205849 | Tel UK: 01789 205849
Fax International: +44 1789 415550 | Fax UK: 01789 415550
www.si-plan.com
enquiries@si-plan.com