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User's manual

Dosing- Controller

DC 155

Manual DC155 Rev.C03

Содержание DC 155

Страница 1: ...User s manual Dosing Controller DC 155 Manual DC155 Rev C03 1 ...

Страница 2: ...10 2 6 Process monitoring 11 2 6 1 Broken wire monitoring 11 2 6 2 Flow monitoring 11 2 7 Safety 12 2 7 1 Code words 12 2 7 2 Key locking 13 2 8 Remote control bus coupling 13 2 8 1 Remote control via digital inputs 13 2 8 2 TTY interface and protocol print Option 13 2 8 3 Modbus Option 14 3 OPERATION MANUAL 15 3 1 LC Display 15 3 2 Keyboard 16 3 3 Parameter input and Configuration 17 3 4 Dosing c...

Страница 3: ...llation it is recommended to protect the explosion protected distribution and control panel against direct climatic influence e g with a protective roof The maximum ambient temperature is 40 C if not stipulated otherwise 1 3 Before using the device All connections and connection points must be checked for correct cabling Operation with damaged cables is not permitted 1 4 Intrinsically Safe Circuit...

Страница 4: ...m system to report flow disturb ances or sensor failures The flow monitoring can be delayed to prevent wrong alarm during the start and finish period of the batch Simply remote control The DC155 has several digital control inputs to realise a simple remote control with the basic functions like START STOP and RESET Powerful analog output The analog output can manage a load of 600 Ω directly PID con...

Страница 5: ...ensor signals 24V active passive NAMUR 4 20 mA analog current signal and several actors The following chapters show application examples sorted by the kind of actors 2 3 1 Dosing control using digital solenoid valves The most common dosing application is by using coarse and fine valves After starting the batch process the fine valve opens first When the quantity given by setpoint 1 has been reache...

Страница 6: ...as been fixed and has been acknowledged by pressing the reset key Otherwise the digital output is inactive 6 Flow to small The output is active as long as the flow rate is too small and the failure is not acknowledged Otherwise the digital output is inactive 7 Flow too big The output is active as long as the flow rate is too big and the failure is not acknowledged Otherwise the digital output is i...

Страница 7: ...sing the following three parameters percentage values Limit for analog output Start value of the rising ramp and End value of the falling ramp The analog output can get configured as 0 20 mA 0 0mA 100 20mA 4 20 mA 0 4mA 100 20mA The dosing quantity is set with the parameter setpoint The rising ramp is determined by the parameter setpoint 1 the falling ramp by setpoint 2 The ramp is determined by t...

Страница 8: ...s Kp Ki Kd and the flow setpoint can be configured in the pa rameter menu In the mode Flow Feedback Control it is possible to define a ramp similar to the uncontrolled output when using the function Ramp shape There is one important difference The ramp defined in the mode Ramp shape represents the analog output value directly 100 20mA The ramp in the mode Flow Feedback Control refers to the PID fl...

Страница 9: ...the other operating modes Flow monitoring or displaying is not possible in this mode 2 3 5 Forward backward Impulse counter requires 2 Impulse inputs option Some kinds of flow sensors e g windmill type anemometer recognises back flows These have two sensor signals The DC155 can determinate the flow direction using the phase relation of the two signals Configuration and handling of the DC155 with t...

Страница 10: ... values of the expansion coefficient and the reference temperature with the Temperature compensation menu The signs of the temperature values are entered by using the arrow keys The left arrow sets a negative sign the right arrow sets a positive sign The temperature measurement value can be monitored This allows to recognise broken wires and short cuts of the Pt100 wiring The DC155 uses a default ...

Страница 11: ...ible to give an alarm by using one of the digital outputs Please consider the dosing process flow chart in chapter 3 4 2 6 1 Broken wire monitoring Broken wires can get detected by using NAMUR signals as digital input signals or 4 20 mA signals as analog input signals In case of a broken wire the DC155 interrupts the dosing process and indicates Broken wire on the display It is possible to report ...

Страница 12: ...ettings is divided into 3 safety levels Each safety level has its own programmable access code 1 The lowest level is the permission to change the quantity setpoint Authorised persons who know the setpoint access code are only able to change the quantity setpoint and nothing else The factory setting of this access code 0001 A value of 0000 disables the need of entering an access code to change the ...

Страница 13: ... input terminal 15 is high 2 8 Remote control bus coupling The DC155 has several interfaces for remote control 2 8 1 Remote control via digital inputs The DC155 has five predefined digital inputs START STOP RESET INHIBIT and KEY LOCK to realise a simple remote control with active or passive switches The polarity of these inputs except the STOP input is normally open There are two STOP inputs one i...

Страница 14: ... safe area to connect several batch controllers to one printer The print outs can be distinguished by individual info text headers 2 8 3 Modbus Option a Registers The modbus interface uses only Holding Registers to submit measurement values and commands The registers are defined as below Register Hex Access Data format Function 40001 R W R W R W R R R R R R R R Bit field Ctrl Flags Bit 0 Start Dos...

Страница 15: ...nctions Function number Function 3 Read Holding Registers 6 Preset Single Register 16 Preset Multiple Registers c Hardware The DC155 supports Modbus RTU using 9600 Baud The parity can be set to even odd or inactive 3 Operation manual The DC155 is controlled by the front keys and the display A restricted control is possible by using the digital inputs or by using a serial interface 3 1 LC Display T...

Страница 16: ...ntinues starts valves are opened Cursor shift left RESET key 1 Dosing process finished stopped 2 During power on 3 While menu input Resets actual value Activates parameter reset parameters are reset to factory settings Cursor shift right SET key 1 In operation 2 Else Sets the quantity setpoint None INFO key 1 In operation 2 While menu input Toggles between status view of the dosing process and inp...

Страница 17: ...s 0003 Confirm the access code with the ENTER key 3 4 Dosing control flow chart The following flow chart depicts the dosing control process Consider that pressing the ENTER key and entering the right code word will terminate this procedure in any state After returning to the dosing operation the procedure starts on the start position If you start the parameter or the structure menu while a dosing ...

Страница 18: ...Page 18 4 manual DC155 Gönnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de ...

Страница 19: ...nalog output Level rises or falls while dosing Output Dig output 1 Dig output 2 Dig output 3 No function No function No function Function of the output Dig output 1 Dig output 2 Dig output 3 Normally closed Normally closed Normally closed Polarity of the output normally closed or normally open Type of Analog Output Function of Analog Output 4 20 mA No function Devices with analog output Flow monit...

Страница 20: ...tpoint Kp Ki Kd 0 kg s 0 0 0 only visible if the function of the ana log output has been set to Flow feed back control Analog Output Max value of ramp Start value of rising ramp End value of falling ramp 100 100 100 Analog Output Ramp shape 100 20mA Analog Output PID Flow control 100 PID Flow setpoint Pause time Pause time 0 s date time Codes Setpoint Parameter Structure 0001 0002 0003 5 Reset Res...

Страница 21: ... configuration DC155 x 0 0 x 0 0 x U 15 V I 20 mA impedance 750 Ω analog output DC155 x a 0 x 0 0 x a 1 2 U 15 V I 20 21 41 mA impedance 365 Ω U 15 V I 20 mA impedance 750 Ω U 15 V I 21 mA impedance 714 Ω TTY interface DC155 x 0 0 x 3 0 x U 15 V I 20 22 42 mA impedance 357 Ω U 15 V I 20 mA impedance 750 Ω U 15 V I 22 mA impedance 681 Ω RS485 interface DC155 x 0 0 x 5 0 x U 15 V I 20 11 31 mA imped...

Страница 22: ...In that case there is no separate power supply device nec essary 7 Installation and connection 7 1 Mounting The DC155 is dedicated for mounting and working in hazardous area zone 1 and 2 Please use the 4 holes on the rear plate for mounting and use a solid base Warning The local installation regulations must be observed See hole distances below Figure 4 Dimensions Gehäusetiefe 112 mm M16x1 5 Sp 5 ...

Страница 23: ... The regulations of IEC EN 60079 14 and the EU type examination certificate IECEx BVS 18 0031 BVS 18 ATEX E 040 must be observed Warning The intrinsically safe terminal limits must be observed The intrinsically safe terminal limits are included in the EU type ex amination certificate BVS 18 ATEX E 040 IECEx BVS 18 0031 and in the appendix to this Manual ...

Страница 24: ...inal 4 10 Input for 24V impulses Digital inputs 11 16 11 START 12 STOP normally closed 13 RESET 14 INHIBIT 15 KEY LOCK 16 STOP normally open 17 19 21 18 20 22 Digital output 23 24 Analog inputs 25 26 27 28 Reserved do not connect anything 29 30 Analog output 31 32 33 34 Terminal for PT100 2 wire or 4 wire connection 35 36 TTY receiver RS485 D D 37 38 TTY transmitter RS485 potential equalization No...

Страница 25: ...eimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 7 2 2 Power supply a Standard b Separate power supply of analog output and TTY RS485 7 2 3 Sensor terminals a 24V Impulses passive b 24V Impulses active ...

Страница 26: ...phone 49 6321 49919 0 fax 41 Email info goennheimer de c NAMUR Signal d 4 20 mA Signal e Pt100 terminal 4 wire connection 2 wire connection NB a Pt100 3 wire connection is not possible 7 2 4 Actor terminals a Digital outputs b Analog 0 4 20 mA output ...

Страница 27: ...DC155 5 Annex Page 27 Gönnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 7 2 5 TTY interface 7 2 6 RS485 interface ...

Страница 28: ...Page 28 5 Annex DC155 Gönnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 8 Annex 8 1 Block diagram DC155 Figure 5 block diagram DC155 ...

Страница 29: ...sically safe galvanically separated digital ouputs closed output remain voltage 2 5 V Analog output 4 20 mA min 600 Ω error 0 2 TK 0 01 K Power supply Minimum Configuration DC155 x 0 0 x 0 0 x U 15 V I 20 mA load 750 Ω Additional analog output U 15 V current delivery as above 21 mA Add TTY interface U 15 V current delivery as above 22 mA Add RS485 interface U 15 V current delivery as above 11 mA A...

Страница 30: ...3 5 Protocol No Protocol Modbus 0 2 Separate power supply for analog output and TTY RS485 No separate power supply terminal With separate power supply terminal 0 1 8 5 Batteries and battery replacement Only Gönnheimer EB350 1 batteries must be used The exchange of the batteries is permitted in explosive areas of zone 1 and 2 The positive pole red and the negative pole blue of the battery must be c...

Страница 31: ...e Units mg g kg t kt ml l dm m Type Mass Volume Setpoint Unit Decimal places Sum counter Unit Decimal places Flow Unit Decimal places Dosing method Flow Level Input method Flow Signal NAMUR 24V 0 20 mA 4 20 mA Impulse Value Max Flow Flow at 20 mA Creep suppression Input method Level Signal 0 20 mA 4 20 mA Filling level rises falls Filling level at 20 mA Outputs digital 0 No Function 1 Counter 0 2 ...

Страница 32: ... C Coeff of expansion K Temperature monitoring yes no Minimum value C Maximum value C Default value C Stop dosing yes no Error signal yes no Display 0 No item 1 Setpoint 2 Actual value 3 Flow Top display Bottom display Serial Interface Baud rate Bits Parity no odd even Print protocol yes no Swap float Modbus yes no Device ID Modbus Key lock all keys active partly locked totally locked Parameter Se...

Страница 33: ...nex Page 33 Gönnheimer Elektronic GmbH phone 49 6321 49919 0 fax 41 Email info goennheimer de 1 Level 2 Level Parameter Value Choice Comment Codes Code for setpoint Code for parameter menu Code for structure menu ...

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