Operating Instructions
R2900
Compact Controller, 96 x 96 mm
3-349-203-15
3/3.03
Contents Page Page
Safety Features and Precautions . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Repair and Replacement Parts Service . . . . . . . . . . . . 4
Product Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Device Identification . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mechanical Installation / Preparation . . . . . . . . . . . . . 6
Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . 8
Performance After Activating Auxiliary Voltage . . . . . 10
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Operating Flowchart,
“Discontinuous-Action Controller” . . . . . . . . . . . . . . 12
Operating Flowchart, “Discontinuous-Action Controller”
with Differential Control . . . . . . . . . . . . . . . . . . . . . . 13
Operating Flowchart,
“Continuous-Action and Step-Action Controllers” . . . 14
Operating Flowchart, “Cont.-Action and
Step-Action Controller” with Diff. Control . . . . . . . . . 15
Off / Manual Operation . . . . . . . . . . . . . . . . . . . . . . 16
Manual Operation with Binary Input . . . . . . . . . . . . . 17
PWR Out Offset with Binary Input . . . . . . . . . . . . . . . 17
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Saving and Loading Device Settings: . . . . . . . . . . . . 21
Differential Controller . . . . . . . . . . . . . . . . . . . . . . . . 21
Slave Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Controller Sorts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Configuration of the Controller with Continuous Output
(desig. A7 and A8) . . . . . . . . . . . . . . . . . . . . . . . . . 23
Parameters Configuration . . . . . . . . . . . . . . . . . . . . 24
Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Self-Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Manual Self-Tuning . . . . . . . . . . . . . . . . . . . . . . . . .28
Setpoint Ramps . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Heating Current Monitoring . . . . . . . . . . . . . . . . . . .32
Heating Circuit Monitoring . . . . . . . . . . . . . . . . . . . .32
Limit Value Monitoring . . . . . . . . . . . . . . . . . . . . . . .33
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . .36
Meanings of symbols on the instrument:
Indicates EC conformity
Continuous doubled or
reinforced insulation
Warning concerning a source of danger
Attention: observe documentation!
Functional earth terminal,
earthing for functional purposes only
(no safety function)
2 GOSSEN METRAWATT GMBH
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.
Read the operating instructions completely and carefully before using the device, and follow all instructions included
therein. The operating instructions should be made available to all users.
Observe the following safety precautions:
– The device may only be connected to electrical systems which comply with the specified nominal range of
use (see circuit diagram and serial plate), and which are protected with a fuse or circuit breaker with a
maximum nominal current rating of 16 A.
– The installation must include a switch or a circuit breaker which serves as a disconnecting device.
The controller may not be used:
– If visible damage is apparent
– If it no longer functions flawlessly
– After lengthy periods of storage under unfavorable conditions (e.g. humidity, dust, temperature)
In such cases the device must be removed from service and secured against any possible inadvertent use.
Maintenance
Housing
No special maintenance is required for the housing. Keep outside surfaces clean. Use a slightly dampened
cloth for cleaning. Avoid the use of solvents, cleansers and abrasives.
Repair and Parts Replacement
Repairs and the replacement of parts conducted at a live open instrument may only be carried out by trained
personnel who are familiar with the dangers involved.
GOSSEN METRAWATT GMBH 3
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
Fax +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.
Product Support
When you need support, please contact:
GOSSEN METRAWATT GMBH
Product Support Hotline
Phone +49-(0)-911-8602-112
Fax +49-(0)-911-8602-709
E-Mail support@gmc-instruments.com
4 GOSSEN METRAWATT GMBH
Device Identification
Electronic controller with self-tuning and 2nd setpoint, front panel dimensions: 96 x 96 mm
Controller Types
2 / 3-step controller with heating current monitoring / step-action controller 2 transistor outputs
2 / 3-step controller with heating current monitoring 1
2 / 3-step controller with heating current monitoring 1
2 / 3-step controller with heating current monitoring / step-action controller 2 relay outputs
Step-action controller with repeater / 3-step controller 2 transistor outputs
Step-action controller with repeater / 3-step controller 2 relay outputs
Cont.-action contr. / step-action contr. / 3-step contr. w. heat current monit. 1 continuous output and 2 transistor outputs
Cont.-action contr. / step-action contr. / 3-step contr. w. heat current monit. 1 continuous output and 2 relay outputs
Measuring Ranges
Input Thermocouple, configurable Type J, L –18 ... 850 °C / 0 ... 1562 °F
Type K –18 ... 1200 °C / 0 ... 2192 °F
Type S, R –18 ... 1770 °C / 0 ... 3218 °F
Type B 0 ... 1820 °C / 32 ... 3308 °F (especially 600 °C)
Type N –18 ... 1300 °C / 0 ... 2372 °F
Resistance thermometer Pt 100 – 100 ... 500 °C / –148 ... 932 °F
Input Standard signal, configurable 0 / 2
Both measurement inputs can be mutually
st
measurement input same as B1, 2nd same as B2, can be configured for slave controller B4
1
configured as per B1 for differential controller.B3
... 10 V or 0 / 4 ... 20 mA B2
Auxiliary Voltage AC 110 ... 230 V C1
Limit Contacts None
Two 2 relay outputsD0D1
Data Interface None
RS 485 or RS 232 (internally selectable)
Configuration Default settings
Configure per customer requirements
Operating German / English
Instructions French / Italian
None
st
switching point: transistor output
nd
2
switching point: relay output
st
switching point: relay output
nd
2
switching point: transistor output
R2900
A1
A2
A3
A4
A5
A6
A7
A8
B1
F0
F1
K0
K9
L0
L1
L2
GOSSEN METRAWATT GMBH 5
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
96
5
96
50
Variants
A1 ... A6, D0, F0
controller. Requirements set forth in VDE 0100 must be observed
during the performance of all work. Work on the device may only
be carried out by trained personnel who are familiar with the dangers involved.
Set the housing into the panel cutout from the front, and secure it
from behind at the left and right-hand sides with the two included
screw clamps. Typical tightening torque amounts to 10 Ncm, and
a value of 20 Ncm should not be exceeded.
+0,8
92
In general, unobstructed air circulation must be assured when one
or several devices are installed. The ambient temperature underneath the devices may not exceed 50 °C.
+0.8
92
Panel Cutout
Figure 1, Housing Dimensions and Panel Cutout
6 GOSSEN METRAWATT GMBH
Variant A7, A8 or D1, or
570
F1
1
2
Securing the two screw clamps at the
right and left-hand sides of the housing:
– 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 7
Electrical Connection
Binary In-
put
Transistor Output for Controlling SSRs 110 - 230
A1, A2,
A5, A7
A3, A4,
A6, A8
– + I – + II
1 234 56 789
I
II
Switching Output Heating Current Transf.
11 12 13 14 15 16 17 18 19
A1, A3,
A5, A7
A2, A4,
A6, A8
Auxiliary
Voltage
V∼
NL
A1, A2, A3,
A4, A7, A8
B1, B3, B4 B3
A5, A6
Repeater
10 V
10 V
B2 B4
20 mA
20 mA
Sensor 1 Sensor 2
21 22 23 24
A1 A2
D1
A7, A8
25 26 27 28 29
– +CB A
10V / 20 mA GND TxD RxD
F1
Alarms Continuous Output RS 232 / RS 485
8 GOSSEN METRAWATT GMBH
EN 55022 requires the following warning as regards electromagnetic compatibility:
Warning
This is a class A device. It may cause radio interference in residential surroundings. If this is the
case, the operator may be required to implement appropriate corrective measures.
Connectors: 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 terminals: max. 0.6 Nm
Figure 3, Connector Terminal Positions
GOSSEN METRAWATT GMBH 9
Performance After Activating Auxiliary Voltage
LED Segment Test
U/M Software Version
B Designation
A Designation
Current
Configuration
CnF2
approx. 2 s
D Designation
approx. 1.5 s
Current Configuration
CnF1
Actual Value
approx. 1.5 s
Setpoint or oFF
10 GOSSEN METRAWATT GMBH
Operation
Actual value or
parameter value
Setpoint / heating current /
manipulating factor / 2nd actual
value or parameter designation
I
II
A1
A2
W2
Switching output I
active
Switching output II
active
Alarm(s) active
Setpoint 2 active
Shift displays, levels and values
(see operating flow chart)
Off / manual operation
R2900GOSSEN METRAWATT
Up and down scrolling keys for value selection
Select: off / manual ↔
Figure 4, Controls
Value Selection
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.
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automatic operation
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