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Summary of Contents for Gossen MetraWatt R2900
- Page 1 Operating Instructions R2900 3-349-203-15 Compact Controller, 96 x 96 mm 3/3.03...
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Page 2: Table Of Contents
Parameters Configuration ....24 Balancing ....... . 26 GOSSEN METRAWATT GMBH... -
Page 3: Safety Features And Precautions
Safety Features and Precautions The R2900 controller is manufactured and tested in accordance with safety regulations IEC 61010-1 / DIN EN 61010-1 / VDE 0411-1. If used for its intended purpose, safety of the user and of the device is assured. -
Page 4: Repair And Replacement Parts Service
Repair and Replacement Parts Service When you need service, please contact: GOSSEN METRAWATT GMBH Service-Center Thomas-Mann-Strasse 20 90471 Nürnberg • Germany Phone +49-(0)-911-8602-410/256 +49-(0)-911-8602-253 E-Mail service@gmc-instruments.com This address is only valid in Germany. Please contact our representatives or subsidiaries for service in other countries. -
Page 5: Device Identification
AC 110 ... 230 V Limit Contacts None 2 relay outputs Data Interface None RS 485 or RS 232 (internally selectable) Configuration Default settings Configure per customer requirements Operating German / English Instructions French / Italian None GOSSEN METRAWATT GMBH... -
Page 6: Data Interface
Refer to operating instructions 3-349-204-15 for detailed information regarding the data interface. Mechanical Installation / Preparation The R2900 controller is intended for installation to a control panel. The installation location should be vibration-free to the greatest possible extent. Aggressive vapors shorten the service life of the controller. - Page 7 – Push in direction 1 all the way up to the limit stop – Push in direction 2 all the way up to the limit stop Figure 2, Securing the Housing GOSSEN METRAWATT GMBH...
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Page 8: Electrical Connection
A4, A7, A8 A5, A6 B1, B3, B4 Repeater 10 V 10 V 20 mA 20 mA Sensor 1 Sensor 2 – A7, A8 10V / 20 mA GND TxD RxD Alarms Continuous Output RS 232 / RS 485 GOSSEN METRAWATT GMBH... - Page 9 Screw terminals for wire with a cross section of 1.5 square mm or two-core wire-end ferrules with a cross-section of 2 x 0.75 square mm Tighten screws with a manual screwdriver only! Tightening torque for all screw termi- nals: max. 0.6 Nm Figure 3, Connector Terminal Positions GOSSEN METRAWATT GMBH...
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Page 10: Performance After Activating Auxiliary Voltage
Performance After Activating Auxiliary Voltage LED Segment Test Software Version approx. 2 s approx. 1.5 s Current Configuration CnF1 A Designation B Designation Actual Value approx. 1.5 s Current D Designation Setpoint or oFF Configuration CnF2 GOSSEN METRAWATT GMBH... -
Page 11: Operation
The selected value can be changed using the up and down scrolling keys. The selected value is saved to memory and becomes active after 2.5 seconds, or after pressing the key. The display goes dark briefly to indicate activation of the selected value. GOSSEN METRAWATT GMBH... -
Page 12: Operating Flowchart, "Discontinuous-Action Controller
PARAMETER LEVEL (page 24) fixed setpoint controllers. Param. Value CONFIGURATION (page 18) Param. Value Press key briefly. Press and hold key until the display is switched. Press and hold both keys until the display is switched. GOSSEN METRAWATT GMBH... -
Page 13: Operating Flowchart, "Discontinuous-Action Controller" With Differential Control
PARAMETER LEVEL (page 24) Param. Value CONFIGURATION (page 18) Parameter Value Press key briefly. Press and hold key until the display is switched. Press and hold both keys until the display is switched. GOSSEN METRAWATT GMBH... -
Page 14: Operating Flowchart, "Continuous-Action And Step-Action Controllers
PARAMETER LEVEL (page 24) designation A5, A6 Param. Value CONFIGURATION (page 18) Param. Value Press key briefly. Press and hold key until the display is switched. Press and hold both keys until the display is switched. GOSSEN METRAWATT GMBH... -
Page 15: Operating Flowchart, "Cont.-Action And Step-Action Controller" With Diff. Control
A5, A6 PARAMETER LEVEL (page 24) Param. Value CONFIGURATION (page 18) Param.Value Press key briefly. Press and hold key until the display is switched. Press and hold both keys until the display is switched. GOSSEN METRAWATT GMBH... -
Page 16: Off / Manual Operation
Switching output I (more) or II (less) is triggered directly by pressing the key. If posi- tion acknowledgement is utilized (designations A5 and A6), the measured position is displayed as a percentage, and bars are displayed for all other designations. GOSSEN METRAWATT GMBH... -
Page 17: Manual Operation With Binary Input
If a machine requires an average of 70% heating power during production operation, but only 10% during idle time, the difference of Y ST is set to 60%, and the binary input is only activated during production. GOSSEN METRAWATT GMBH... -
Page 18: Configuration
Absolute NC contact Step-action controller Relative Active Settings for continuous-action controller: see page 23 Absolute Relative Inactive Absolute NO contact Relative Active Absolute Active Relative Inactive Absolute NC contact Relative Active Absolute Gray highlighting: default setting K0 GOSSEN METRAWATT GMBH... - Page 19 2 ... 10 V °F (no function) Saving and loading device settings: see page 21 1) Switching to and from °C and °F is only effective for designations B1, B3 and B4. 2) Only effective for designations A7 and A8 GOSSEN METRAWATT GMBH...
- Page 20 2 ... 10 V – Relative Slave controller Active – Absolute Relative Inactive Absolute NO contact Relative Manual / Active Absolute automatic or PWR out off- Relative Inactive Absolute NC contact Relative Active Absolute Gray highlighting: default setting K0 GOSSEN METRAWATT GMBH...
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Page 21: Saving And Loading Device Settings
The SP L and SP H parameters limit the external setpoint for control and display purposes. – – If an attempt is made at the operating level to change the setpoint (display mode: actual value / setpoint), no appears briefly at the bottom display. GOSSEN METRAWATT GMBH... -
Page 22: Controller Sorts
A harmonic-free PDPI control algorithm regulates switching output I or II in order to increase or decrease the actual value. The duration of the actuating impulse is equal to tc. The dead Step-action controller band dbnd is symmetric to the setpoint. GOSSEN METRAWATT GMBH... -
Page 23: Configuration Of The Controller With Continuous Output (Desig. A7 And A8)
The controller sorts demonstrate the same performance characteristics as with designations A1 to A4. Negative manipulating factors are read out continuously, and switching output II remains inactive. “Cooling” manip. factor Controller sort = 4: split range controller with inverted output performance GOSSEN METRAWATT GMBH... -
Page 24: Parameters Configuration
9, 99 • 99, 9 • 999 9999 Only with designation B2 rn L ... 9999 Upper range limit, standard signal Only with designations B2, B4, A7 and A8 –1500 ... rn H Lower range limit, standard signal GOSSEN METRAWATT GMBH... - Page 25 Additional actual value filter for continuous-action controllers (controller sort = 2 or 3), tc = time constant Only where:“controller sort” configuration digit = 6 Only where:“controller sort” configuration digit = 6 and designation = A5, A6 Parameters Pb 1 through Addr are disabled for the operator during self-tuning. GOSSEN METRAWATT GMBH...
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Page 26: Balancing
Same procedure as for parameter Y100. In this case, the scroll down key must be pressed and held. It controls switching output II directly (less). Y 100 must be greater than Y 0! The Y 100 and Y 0 parameters are displayed only in the automatic operating mode. GOSSEN METRAWATT GMBH... -
Page 27: Self-Tuning
/ off with the key. – If an error occurs during self-tuning, the controller no longer reads out an actuating signal. Self-tuning must be aborted in this case. Additional information regarding error messages upon request. GOSSEN METRAWATT GMBH... -
Page 28: Manual Self-Tuning
Set dbnd to 0 in order to cause further overshooting with active switching output II. Record two over- – shoots and two undershoots. – Record on-time T and off-time T at switching output I or the continuous output for the last oscillation. GOSSEN METRAWATT GMBH... - Page 29 1) When controlling contactors, tc should be adequately increased. If manipulating factor limiting was active, the proportional band must be corrected: YH positive: Pb 1 multiply by 100% / Y H YH negative: Pb1 1 multiply by –100% / Y H GOSSEN METRAWATT GMBH...
- Page 30 T 2) When controlling contactors, tc should be adequately increased. Y H positive: Pb 1 multiply by 100% / Y H Correction with manipulating factor limiting Y H negative: Pb 1 1 multiply by –100% / YH GOSSEN METRAWATT GMBH...
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Page 31: Setpoint Ramps
The targeted setpoint is displayed (not the currently valid setpoint) with a blinking r at Setpoint display the left-hand digit. Limit values Relative limit values make reference to the ramp, not the targeted setpoint. As a rule, no alarm is triggered for this reason. GOSSEN METRAWATT GMBH... -
Page 32: Heating Current Monitoring
100% and measured temperature rise is too small. – Monitoring is not active: where controller sort = limit transducer, actuator or step-action controller during self-tuning with standard signal input (designation B2) where manipulating factor limiting Y H < 20% GOSSEN METRAWATT GMBH... -
Page 33: Limit Value Monitoring
Only for designation D1 In the case of designation D0 and configuration as a 2-step controller The display is switched to the operating level 30 seconds after value selection has been completed during configuration or parameter setting. GOSSEN METRAWATT GMBH... -
Page 34: Error Messages
No response to error calibrated, Y100 ≤ Y 0 Self-tuning cannot be started (controller sort: No response to error no tune – “actuator” or “limit Error message is not cleared until key is pressed transducer”) GOSSEN METRAWATT GMBH... - Page 35 5. Close the control loop: Check the sensor, the actuators and the heater for correct functioning. Check sensor-heater assignments (wiring). Correctly optimize control parameters tu and Pb 1. 6. Restore default configuration and default parameters, and then reconfigure, or load user-defined default settings. 7. Arrange for repair at authorized service center. GOSSEN METRAWATT GMBH...
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Page 36: Technical Data
300 V per DIN EN 61010 EMC requirements IEC/EN 61326 For complete technical data refer to the following data sheet: order no. 3-349-202-03 Printed in Germany • Subject to change without notice GOSSEN METRAWATT GMBH Phone +49-(0)-911-8602-0 Thomas-Mann-Str. 16-20 90471 Nürnberg, Germany +49-(0)-911-8602-669 E-mail info@gmc-instruments.com...
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