Related Manuals for Erma Electronic SSI 9002
Summary of Contents for Erma Electronic SSI 9002
- Page 1 SSI 9002 Digital Converter For Absolute Encoders With Synchron-Serial-Interface Instruction Manual ERMA Electronic GmbH Electronic GmbH...
- Page 2 Warranty For delivered products our " llgemeine Lieferungs- und Zahlungsbedingungen" are effective. In no event ERM -Electronic or its suppliers shall be liable for any other damages whatsoever (including, without limitation, damages for loss of business profits, business interruption or other pecuniary loss) arising out of or inability to use this product.
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Page 3: Table Of Contents
CONTENTS 1. Description ......4 2. Safety instructions ..... . . 4 2.1. - Page 4 8.4.2. Alarm high setpoint ....22 8.4.3. Alarm low setpoint ....22 8.5.
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Page 5: Description
1. Description Description The digital converter Model SSI 9002 is an instrument for monitoring the datas of an absolute encoder with Synchronous-Serial-Interface (SSI) by programmable alarm points. Standard hardware • four relay alarm outputs • two programmable digital input channels •... -
Page 6: Symbol Explanation
3. Mounting 2.1. Symbol explanation Caution Attention Instruction Caution: Will be used at dangerous for life and health ! Attention: Will cause damage Instruction: If not noticed, trouble may occur Tip: Useful hints for better operation Mounting 3.1. Place of operation Attention must be payed to the protection against humidity, dust and high tempera- tures at the place of operation. -
Page 7: Electrical Connections
4. Electrical connections Electrical connections 4.1. General instructions • It is forbidden to plug or unplug connectors with voltage applied • Attach input and output wires to the connectors only without voltages applied • Cords must be provided with sleeves •... -
Page 8: Connection And Pin Assignment
4. Electrical connections 4.3. Connection and pin assignment All inputs and outputs are connectors, designed as plug-in screw terminals. n.c. signal input digital inputs 26 25 24 23 22 21 20 19 18 17 16 LED1 LED2 LED3 ERMA-METER 11 12 RS 485 alarm4 alarm3 alarm1 alarm2 Pin assignment:... -
Page 9: Connection Of Absolute Encoder
4. Electrical connections 4.4. Connection of absolute encoder Encoder 26 25 24 23 22 21 20 19 18 17 16 4.5. Connection of digital user inputs 26 25 24 23 22 21 20 19 18 17 16 Digital input 1 •... -
Page 10: Connection Of Rs 485 Interface
5. Startup procedure 4.7. Connection of RS 485 interface B(-) A(+) 4.8. Connection of power supply voltage 4.8.1. Supply voltage 18 ... 36 V DC 11 12 Startup procedure Attention must be paid that the power supply voltage applied will agree with the voltage noticed at the name plate. -
Page 11: Pushbuttons- And Led-Functions
6. Pushbuttons- and LED-functions Pushbuttons- and LED-functions There are four push buttons in the front. These push buttons can have different functions. The functions of the push buttons can be used for programming and for service. 6 decades display LED1 LED1 LED2 LED2... -
Page 12: Modes
7. Modes Modes The operation and the programming of the panel meter is organized in several states: • Operation level • Access-code level • Programm level 7.1. Operation level In the state “operation level” the normal functions of the instrument are activated. A normal measurement cycle looks like below: •... -
Page 13: Access-Code Level
7. Modes Parameter 0-15 Function of pushbutton “+” By pressing Pressing during 3 sec. No function Display value of encoder Display MAX value Display MIN value Display hold value Display alarm point 1 Change alarm point 1 Display alarm point 2 Change alarm point 2 7.2. -
Page 14: Programming Level
7. Modes 7.3. Programming level The state “programm level” becomes active by entering the right access-code. The access-code must be confirm by pressing the pushbutton . The programming is organized in following steps: • Selection of a programming level • Selection of a parameter •... -
Page 15: Procedure Of Programming
8. Procedure of programming Procedure of programming The procedure of programming is organized in several different steps. Access to the selection of the programming levels • Pressing pushbutton => access-code enter is active • The display shows “c000" • Changing the access-code by pressing the pushbutton and confirm the changed access-code by pressing the pushbutton If the entered access-code is not correct, the instrument will jump back to the state... -
Page 16: Overview Of The Programming Levels
8. Procedure of programming Leaving the programming level • Pressing the pushbutton until the display shows “xEnd” For example: “0End” => leaving programming level 0 For example: “2End” => leaving programming level 2 • Confirm the display “xEnd” by pressing the pushbutton •... -
Page 17: Programming Level For Configuration P-00
8. Procedure of programming 8.3. Programming level for configuration P-00 Default Param. Description Setting range value 0-00 Resolution (Bits) 10 .. 25 Output code 0-01 0 -> Gray 0 .. 1 1 -> Binary Master/Slave-Mode 0-02 0 -> Instrument = Master 0 .. - Page 18 8. Procedure of programming continue of 0-11: 7 -> Display test 8 -> Display value of encoder 0-11 0 .. 11 9 -> Display MAX value 10 -> Display MIN value 11 -> start single serial transmission Function of digital user input 2 0 ->...
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Page 19: Scaling The Display Range
8. Procedure of programming 8.3.1. Scaling the display range The scaling of the display range is matched by using a scaling-factor and an offset value. The calculation of the display value looks like below: Display = (Enc_value - Zero_adjustmet) x Sca_faktor + Offset value The overflow or underflow becomes active, if the displayed value is greater than 999999 or smaller than -99999. -
Page 20: Programming Level Of Alarms
8. Procedure of programming 8.4. Programming level of alarms P-02 Default Param. Description Setting range value Alarm output 1, data source 0 -> Alarm 1 off 1 -> Alarm 1 to value of encoder 2-00 0 .. 4 2 -> Alarm 1 to maximum value 3 ->... - Page 21 8. Procedure of programming Default Param. Description Setting range value 2 -> Alarm 3 to maximum value 2-12 3 -> Alarm 3 to minimum value 0 .. 4 4 -> Alarm 3 to hold value Alarm output 3, high or low 0 ->...
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Page 22: Alarm Output Functions
8. Procedure of programming 8.4.1. Alarm output functions Data sources of the alarms: • Value of the encoder • Maximum value • Minimum value • Hold value Indication of alarms • Two relay output • LED 1 and LED 2 at the front Programmable functions of the alarms •... -
Page 23: Alarm High Setpoint
8. Procedure of programming 8.4.2. Alarm high setpoint normally closed to high limit normally opened to high limit alarm value alarm value- hysteresis alarm watched signal operate delay time release delay time 8.4.3. Alarm low setpoint normally closed to low limit normally opened to low limit alarm value +... -
Page 24: Programming Level Of Serial Interface P-04
8. Procedure of programming 8.5. Programming level of serial interface P-04 The parameters of the programming level P-04 exists only by panel meters with the option serial interface. The interface moduls are bidirectional and works at the slave mode. Default Param. -
Page 25: Programming Quick Reference
8. Procedure of programming 8.6. Programming quick reference ERMA-Electronic GmbH... - Page 26 8. Procedure of programming ERMA-Electronic GmbH...
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Page 27: Software Functions
9. Software functions Software functions 9.1. Master/Slave-Mode Master-Mode Parameter 0-02 have to be programmed to 0 For reading the value of the encoder the clock is generated by the instrument. The clock frequency can be programmed to 100 kHz or 200 kHz. (parameter 0-03) Slave-Mode: Parameter 0-02 have to be programmed to 1 The clock signal have to be generated by an other instrument. - Page 28 9. Software functions Display range with changing of the zero point The pushbutton have been pressed by a display of 2048 2048 1024 -1024 2. Zero point adjustment without sign: Parameter 0-04 have to be programmed to 0 Example: Absolute Encoder SSI-Encoder, singleturn Resolution: 4096 steps per rotation...
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Page 29: Zero Point Adjustment By Offset Value
9. Software functions 9.2.2. Zero point adjustment by offset value The calculation of the programmed offset value (parameter 0-07) looks like below: Display = (Enc_value - Zero_adjustmet) x Sca_faktor + Offset value There can be a ± display, as a result of programming an offset value. Attention should be paid to: •... -
Page 30: Min/Max Value Detection
9. Software functions 9.5. MIN/MAX value detection The panel meter include a MIN/MAX value detection. The maximum and minimum value can be displayed with the frontal push buttons or the digital user inputs. Besides the maximum and minimum value can be controlled of the alarm output or can be used as the data source for the analog output Reset the minimum and maximum values: •... -
Page 31: Display Test
10. Error codes 9.7. Display test When activating the display test all segments of the display are light on. The display shows “8.8.8.8.8.8.” Activating the display test by: • Digital input 1 (parameter 0-11) • Digital input 2 (parameter 0-12) 9.8. -
Page 32: Technical Specifications
11. Technical Specifications 11. Technical Specifications 11.1. Electrical datas SSI signal input : singleturn or multiturn Resolution : 10 .. 25 bit Code : binary or gray Clock output : driverRS 422/485 Clock input : receiver RS 422/485 Data input : receiver RS 422/485 Master mode Clock frequency... -
Page 33: Mechanical Datas
11. Technical Specifications 11.2. Mechanical datas Display : 6 decades, 8 mm, red : decimal point programmable : preliminary zero suppression : - sign at negative values Operation, keyboard design : front membrane with push buttons Case : rail mounting DIN EN 50022 : 35 mm snap in Dimensions (W x H x D) : 67,5 x 75 x 105 mm... - Page 35 RMA - lectronic GmbH Max- yth-Straße 8 D-78194 Immendingen ERMA Phone +49 7462 2000-0 +49 7462 2000-29 Electronic GmbH Electronic GmbH email info@erma-electronic.com www.erma-electronic.com...
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