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Walther Systemtechnik GmbH 

– D 76726 Germersheim 

Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91 
http://www.walther-2000.de 

– [email protected] 

 

 
 

Operating Manual 

 

WALTHER Temperature Controller Bundle (WTRB) 

Article Number:     WTRB-x-x 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 

 
 
 

 

IMPORTANT  

Please read this manual carefully before the actual start of operation.  

The device will only be used, maintained and repaired by personnel who are familiar with the 
operating manual and also with the guiding regulations on workplace safety and accident pre-
vention.  
 
When  used  in  or  with  other  machines,  the  kit  will  not  be  operated  if  the  machine  does  not 
comply with the Machine Directive. 

 
 

 

Summary of Contents for WTRB-24DC-3500

Page 1: ... Number WTRB x x IMPORTANT Please read this manual carefully before the actual start of operation The device will only be used maintained and repaired by personnel who are familiar with the operating manual and also with the guiding regulations on workplace safety and accident pre vention When used in or with other machines the kit will not be operated if the machine does not comply with the Machi...

Page 2: ... Dangers from Residual Energy 6 3 5 Correct Use 7 3 6 Incorrect Use 7 3 7 Personal Protective Equipment and Other Measures 7 3 8 Required Qualification of Personnel 7 4 Transport 8 4 1 Packaging 8 4 2 Transport 8 4 3 Damages in Transport 8 4 4 Location of Set up 8 5 Description of Product 9 5 1 General Information 9 5 2 Electrical Installation Start of Operation 11 5 3 Operation 14 6 Technical Dat...

Page 3: ...dles WTRB Walther Temperature Controller Bundle WTRB Ordering key Version for 230 VAC heating 230AC Solid state Relay 230 VAC 6000 mA 6000 Version for 24 VDC heating 24DC Solid state Relay 24 VDC 3500 mA 3500 Solid state Relay 24 VDC 6000 mA 6000 Solid state Relay 24 VDC 12000 mA 12000 WTRB x x Table 1 Ordering keys for the different versions of the Walther Temperature Controller Bundle WTRB 2 1 S...

Page 4: ...efon 49 0 7274 7022 0 Telefax 49 0 7274 7022 91 http www walther 2000 de info walther 2000 de Scope of Delivery for WTRB 24DC 12000 Temp Controller WTR 24DC Solid state relay 24 VDC 12000 mA WSSR 24DC 12000 Scope of Delivery for WTRB 230AC 6000 Temp Controller WTR 230AC Solid state relay 230 VAC 6000 mA WSSR 230AC 6000 ...

Page 5: ... a potentially dangerous situation Slight or minor injuries can follow if you do not avoid this situation This sign is also used where damage to property is possible IMPORTANT Indicates tips for usage and other particularly useful information No dangerous situation 2 5 Warranty and Liability According to the conditions laid down by the German Engineering Federation VDMA Walther Systemtechnik GmbH ...

Page 6: ...lar basis Dismounting will only be made by authorized personnel and while using the operating manual If re quested we will also offer trainings on the device in order to teach your personnel the required knowledge Disconnect the device from compressed air grease supply for all maintenance tasks All lines and hoses have to be pressure less Check all lines hoses and screwed joints regularly for leak...

Page 7: ...ve safety installations or not properly attached or malfunctioning safety devices Using unsuitable materials Handling the device while energized Processing aggressive media e g acids alkaline solutions detergents chemicals etc or media which have not been approved in writing by the manufacturer Making changes in the software of the controls 3 7 Personal Protective Equipment and Other Measures The ...

Page 8: ...s to be selected The device will be aligned and leveled by appropriate fastening elements 4 3 Damages in Transport The following will be observed when the receiving checks reveal damages in transport Contact the carrier carrier train etc Write a protocol of damages Contact the supplier 4 4 Location of Set up All legal requirements for the mounting site should be clarified and fulfilled Prior to in...

Page 9: ...for the electrical connection of the device For maximum load the lines have to be heat resistant up to 80 C Only a trained and qualified technician will take care of the electrical connection The device was designed for installation in switch cabinets or systems The customer fuse protection must not exceed 20 A For all service repair work the device has to be completely disconnected from current M...

Page 10: ... 5 0 120 WTRB 24DC 6000 979524 001M 24 2 5 60 WTRB 24DC 3500 979524 002M 24 3 8 90 WTRB 24DC 6000 979524 003M 24 1 9 45 WTRB 24DC 3500 979524 004M 24 2 1 50 WTRB 24DC 3500 979524 007M 24 7 5 180 WTRB 24DC 12000 979524 008M 24 11 3 270 WTRB 24DC 12000 979524 011M 24 3 2 76 WTRB 24DC 3500 979524 012M 24 5 6 135 WTRB 24DC 6000 979524 013M 24 5 6 135 WTRB 24DC 6000 Heating hoses 230 VAC 979524 102M 23...

Page 11: ...ns 4 and 5 resp 6 and 7 The solid state relay WSSR x x will be connected at the pins 13 and 14 of the logic output IMPORTANT In order to also detect sensor errors and cable breaks at the alarm outputs the make contact relays are permanently locked within the valid temperature range If the preset temperature is exceeded or fallen below the contact will be interrupted see also chapter 5 3 2 Limit Mo...

Page 12: ...of a Walther Temperature Controller Bundle WTRB 24DC 3500 CAUTION This connection example only refers to the 24 VDC versions of the WTRB x x Connecting the 230 VAC models will not be similar Pay special attention to the intended use and the connection of the alarm outputs WTRB 24DC 3500 Figure 2 Sample connection for a WTRB 24DC 3500 IMPORTANT The Walther Systemtechnik heating elements come with a...

Page 13: ...er Bundle WTRB x x Page 13 of 42 Walther Systemtechnik GmbH D 76726 Germersheim Telefon 49 0 7274 7022 0 Telefax 49 0 7274 7022 91 http www walther 2000 de info walther 2000 de 5 2 2 Circuit Diagram Figure 3 Circuit Diagram WTRB 24DC 3500 ...

Page 14: ... heating element with the pre configured control parameters you should change adapt the PID control parameters Please refer to chapter 7 Advanced Settings and 8 2 Self Optimization 5 3 1 Display and Operating Elements in the Standard Configuration Use the buttons B and C for decreasing or increasing the desired temperature The system will auto matically accept and apply the set value A Change in l...

Page 15: ... signal is turned off Signal at HIGH once the set value range has been reached again If the currently measured actual temperature is within the preset tolerance range of 1 C HIGH will be indicated for both alarm outputs The hysteresis HySt for error signal is factory set at 1 C symmetrically to the limit value of the insufficient temperature UT or excess temperature OT If the temperature rises or ...

Page 16: ...ate relay WSSR x x 6 1 Walther Temperature Controller WTR x Both types WTR 24DC and WTR 230AC have the same dimensions and identical steps for mounting Figure 6 shows the outside dimensions For mounting on a switchboard a square cut with 45 0 6 mm side length is required Figure 6 Dimensions of the WTR x Figure 7 shows you how to mount Insert the device from the front into the opening in the switch...

Page 17: ...max 3 A at 230 VAC resistive load 150 000 switches at nominal load 350 000 switches at 1 A 310 000 switches at 1 A and cos ϕ 0 7 Logic output for SSR Pins 13 14 0 14 V 20 mA max Controller Controller type Two point controller three point controller permanent controller Controller structure P PI PD PID Scan time 250 ms A D convertor Resolution 16 Bit Timer Accuracy 0 8 ppm K 250 ms Electrical Data ...

Page 18: ...ithout conden sation Climate re sistance rel humidity 90 an nual average without condensation Set up altitude max 2000 m above NN Operating position Any Protection type According to DIN EN 60529 front IP 65 back IP 20 Weight fully equipped ca 150 g Type of housing Plastic housing for mounting in switchboard according to DIN IEC 61554 use indoors Dimensions Front 48 mm x 48 mm Switchboard cut openi...

Page 19: ...t 230 VAC resistive load 150 000 switches at nominal load 350 000 switches at 1 A 310 000 switches at 1 A and cos ϕ 0 7 Logic output for SSR Pins 13 14 0 14 V 20 mA max Controller Controller type Two point controller three point controller permanent controller Controller structure P PI PD PID Scan time 250 ms A D convertor Resolution 16 Bit Timer Accuracy 0 8 ppm K 250 ms Electrical Data Voltage s...

Page 20: ...486A B UL listed or recognized Housing Type of housing Plastic housing for mounting in switchboard according to DIN IEC 61554 use indoors Dimensions Front 48 mm x 48 mm Switchboard cut opening 45 mm x 45 mm Minimum distance horizontal vertical 11 mm 30 mm 65 mm with USB cable Mounting depth max 95 mm Ambient storage temperature range 5 55 C 40 70 C Climate resistance rel humidity 90 annual average...

Page 21: ...er 2000 de info walther 2000 de 6 1 3 Galvanic Isolation WTR x Figure 8 shows you the galvanic isolation for Walther Temperature Controllers 1 Analog input 2 Binary input 3 Setup interface USB 4 Supply voltage 5 RS485 interface 6 Analog output 7 Relay outputs 8 Logic outputs Figure 8 Galvanic isolation of the WTR x 2300V AC 30 V AC 50 V DC 2300 V AC 30 V AC 50 V DC 7 1 3 2 6 5 4 8 ...

Page 22: ...In 3 5 A Outlet voltage 1 24 VDC Control circuit voltage 3 12 VDC Setup and type of connection 1 S Capacity unbalance 1 5 pF for inlet outlet Minimal switch voltage 3 VDC turn on Maximum switch voltage 1 VDC turn off Inlet current limits 10 mA Solid shaft outlet type DC contactor Mosfet output Load current 0 001 3 5 A Absolute maximum voltage 30 V Surge current 9 A for 10 ms Drop in voltage 0 5 V ...

Page 23: ...N Connections clamps Screw terminal 1 x 0 3 1 x 1 5 mm AWG 22 AWG 16 for inputs Screw terminal 1 x 0 3 1 x 2 5 mm AWG 22 AWG 14 for outputs Capacity unbalance 10 pF for inlet outlet Insulation resistance 1000 MΩ at 500 VDC Local signaling LED green for input status Minimum switch voltage 4 VDC turn on Maximum switch voltage 10 VDC turn off Inlet current limits 8 11 mA Solid shaft outlet type Mosfe...

Page 24: ...onnections clamps Screw terminals 1 x 0 3 1 x 1 5 mm AWG 22 AWG 16 for inputs Screw terminals 1 x 0 3 1 x 2 5 mm AWG 22 AWG 14 for outputs Capacity unbalance 10 pF for inlet outlet Insulation resistance 1000 MΩ at 500 VDC Local signaling LED green for input status Minimum switch voltage 4 VDC turn on Maximum switch voltage 1 VDC turn off Inlet current limits 9 11 mA Solid shaft outlet type DC cont...

Page 25: ...inals 1 x 0 3 1 x 1 5 mm AWG 22 AWG 16 for inputs Screw terminals 1 x 0 3 1 x 2 5 mm AWG 22 AWG 14 for outputs Capacity unbalance 10 pF for inlet outlet Insulation resistance 1000 MΩ at 500 VDC Local signaling LED green for input status Minimum switch voltage 4 VDC turn on Maximum switch voltage 1 VDC turn off Inlet current limits 8 11 mA Solid shaft outlet type Zero voltage switching thyristor ou...

Page 26: ...ious parameter J Increase value next parameter K Function key leave level L Red 7 segment display factory set actual value four digits configurable decimal place automatic adjustment when display capacity is reached M Green 7 segment display factory set desired value four digits configurable decimal place also show ing level and parameter symbols N LED 1 3 switch position binary output LED lights ...

Page 27: ...g Entering times Time values are displayed with a decimal point in the middle and to the right Time units can be configured 1 Select parameter lower display green 2 Change value upper display red 3 Parameter blinking Procedure 1 Select parameter with button B or C 2 Change into entering mode with button A lower display is blinking 3 Change value with button B or C The longer you press the button t...

Page 28: ...0 derivative time turned off no D portion Reset time rt 0 350 9999 s Influences the integral portion of the controller output signal The influence of the I portion becomes smaller with an increasing reset time 0 reset time turned off no I portion Cycle time Cy1 0 0 20 0 999 9 s For a switching outlet select the cycle time as follows the energy supply for the process should be almost continuous and...

Page 29: ...cription Value Description Type of sensor SEnS Resistance thermometer Thermal elements 0 PT100 3 conductor 9 NiCr Ni K 1 PT1000 3 conductor 10 Pt10Rh Pt S 2 PT100 2 conductor 11 Pt13Rh Pt R 3 PT1000 2 conductor 12 NiCrSi NiSi N 4 KTY 2 conductor 13 NiCr CuNi E 5 Cu 50 3 conductor Standard signals Thermal elements 14 0 20 mA 6 Cu CuNi T 15 4 20 mA 7 Fe CuNi J 16 0 10 V 8 Fe CuNi L When you select 0...

Page 30: ...exceeding or falling short of the measur ing range Limit for desired value start SPL 1999 9999 A limit for the desired value will prevent entering values which are outside the determined range The limits for desired values do work if the desired value will be input via the interface The correction value will be limited for an external desired value with correction Limit for desired value end SPH 1...

Page 31: ... inverted 7 AF7 fixed limit value separate from desired value 8 AF8 as AF7 outlet signal inverted Limit value AL AL2 1999 0 9999 Limit value to be monitored when limit value is unbal anced AL is below desired value AL2 above desired value Limit value range for AF1 and AF2 0 9999 Switch differential HySt 0 1 9999 Switch differential for limit value Behavior for Out of Range Sym metry of limit value...

Page 32: ...how you the functions of the limit value AL AL2 for the different alarm functions AF1 to AF8 The switch differential HySt will always be symmetrical to the limit value Limit value in relation to the desired value w AF1 symmetrical AF2 symmetrical AF1 unbalanced AF2 unbalanced AF3 AF4 AF5 AF6 1 0 W X AL HySt AL 1 0 W X AL HySt AL 1 0 W X AL2 HySt AL 1 0 W X AL2 HySt AL 1 0 W X HySt AL 1 0 W X HySt ...

Page 33: ...s inactive after the return of current ConF tFCt Parameter Value Description Function FnCt 0 Timer turned off 1 Timer signal is high while timer is running 2 Timer signal is low while timer is running Start condition Strt 0 Manual start through function key or binary signal no re start after power outage 1 Automatic start after power on restart after power out age manual start also possible Time u...

Page 34: ...utlets 2 to 5 ConF OutL Parameter Value Description Output 1 5 Out1 Out2 Out3 Out4 Out5 0 Output not active factory set for Out2 Out5 1 Controller output 1 factory set at Out1 2 Controller output 2 3 Binary input 4 Limit value monitoring 1 5 Limit value monitoring 2 6 Timer signal Setup program the output signal can be inverted Analog Output Optionally the device can be equipped with an analog out...

Page 35: ...Cancel ramp firing curve 9 Restart ramp start cancel firing curve 10 Switching from desired value 1 to desired value 2 11 Lock keyboard 12 Lock parameter and configuration level lock start of self optimization 13 Turn off display 14 Start timer 15 Cancel timer 16 Pause timer 17 Start cancel timer Display and Operation diSP Both displays as well as the function key can be individually adapted to th...

Page 36: ...ring curve 5 Display timer timer runtime or timer remaining time Setup program you can also configure for a longer activation of the function key 2 s Interface IntF An optional RS485 interface can be provided for integrating the device into a data network When communica tion is made via the setup interface the RS485 interface will be inactive ConF IntF Parameter Value Description Baud rate bdrt 0 ...

Page 37: ...Free Controller Parameters Proportional range 1 Pb1 3 500 Derivate time dt 3 000 s Reset time rt 13 000 s Cycle time 1 CY1 2 0 s Switch differential 1 HYS1 1 000 Operating point Y0 0 Output level limit max Y1 100 Output level limit min Y2 100 Desired Values Desired value SP1 60 00 Desired value SP2 60 00 Ramp Function Firing Curve Function FnCt Turned off Limit Value Monitoring Limit value monitor...

Page 38: ...ler outlet 1 Function binary output 3 Limit value monitoring 2 Binary Function Binary input Function Locking levels Limit value monitoring 1 Limit value monitoring Function None 2 Limit value monitoring Function None Timer Function None Display Operation Display Upper display diSU Actual value Lower display diSL Current desired value Change display for timer start diSt No change in display Decimal...

Page 39: ...ort circuit Check connection of sensor and the connecting clamps Check line Check if the connected sensor matches the configured sensor type 9999 blinking Displayed value exceeds measur ing range PErr Start of firing curve not possible because actual value desired value 1 The firing curve can be started if actual value desired value 1 Exceeding or falling short of the measuring range includes the ...

Page 40: ...order to start the self optimization Start of the self optimization is not locked by the binary function binF Controller operates in automatic mode not in manual mode No active lock of parameter level through setup program Keys B and C will not be operated separately Make sure you press them synchronously In addition the following steps should be taken into account or checked or actually taken bef...

Page 41: ...ll be finished when the display automatically returns to the normal screen The duration of the self optimization depends upon the controlled system Cancelling of the Self Optimization Press keys B and C simultaneously This cancellation will not change any parameters 9 Service and Maintenance Cleaning the front of the device Use standard detergents or cleaning agents for cleaning the front of the d...

Page 42: ...provides a list of all available spare parts for the WTRB x x product series Figure Article Number Description WSSR 24DC 3500 Top hat rail adapter Solid state Relay 24 VDC 3500 mA WSSR 24DC 6000 Solid state Relay 24 VDC 6000 mA WSSR 24DC 12000 Solid state Relay 24 VDC 12000 mA WSSR 230AC 6000 Solid state Relay 230 VAC 6000 mA WTR 24DC Temperature Controller 24 VDC WTR 230AC Temperature Controller ...

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