Grundfos Conex DIS-2Q Installation And Operating Instructions Manual Download Page 57

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English (GB)

Connection diagram

Fig. 72

Connection diagram for dosing pump, current input, measuring amplifier

24 25 26

L1 N PE

1 2 3 4 5

6 7 8 9 10 11 12 13 14

15 16 17 18 19 20 21 22 23

IDM

Pos.

Description

Free relay outputs

Dosing pump

Power supply

Current input

Measuring amplifier

Summary of Contents for Conex DIS-2Q

Page 1: ...Conex DIS 2Q Installation and operating instructions GRUNDFOS INSTRUCTIONS...

Page 2: ...n 11 10 2 Controls and displays 13 10 3 Operating the controller 14 11 Fault finding 26 12 Maintenance 26 12 1 Replacing mains fuses wall housing 26 13 Spare parts 26 14 Disposal 26 15 Appendix 27 15...

Page 3: ...ansmits alarm via RS 485 x 100 pulses hour 01 yes 00 no SP 2 Switching point SP 2 Pulse frequency for SP 2 x 100 pulses hour XP Proportional band Xp Interpulse period sec TN s Reset time Tn Actuating...

Page 4: ...ons than those described in section 4 Applications are considered as non approved and are not permissible Grundfos cannot be held liable for any damage resulting from incorrect use Warning Installatio...

Page 5: ...cally isolated load 50 Contact rating 6 A 250 V max 550 VA resistive load with contact protection circuit of relay outputs Note The current inputs are electrically isolated from the current outputs bu...

Page 6: ...mm x 92 0 8 mm in the control panel 2 Slip on the supplied gasket 3 Insert the Conex DIS 2Q into the opening from the front 1 Hook the clamps into the tightening cones on the sides at the top and bot...

Page 7: ...ent Material ABS Enclosure class IP65 Complete with four cable glands Warning Switch off the power supply before installing Caution Enclosure class IP65 is only guaranteed if the transparent cover is...

Page 8: ...ent input 1 measured variable mA 2 Current input 2 disturbance variable or command variable Outputs mA 1 Current output 1 control signal for SP 1 mA 2 Current output 2 position of feedback potentiomet...

Page 9: ...t outputs the displayed measured value as an analog current 0 4 to 20 mA Use of current signal As input signal for another indicator 1 Connect the conductor to terminal 6 2 Connect the conductor to te...

Page 10: ...terminal for L1 of the first final control element 2 Connect terminal 20 to the power supply cable L1 9 5 3 Alarm relay 1 Connect terminal 21 to the power supply terminal for L1 of the alarm unit 2 C...

Page 11: ...g and control system comprises Note This is only one of a multitude of possible applications See 15 2 Application examples of different output signals and final control elements TM03 7061 1213 9 IDM 5...

Page 12: ...sures the water flow Outputs this value as a signal of 0 4 to 20 mA The Conex DIS 2Q controller Calculates the manipulated variable signal from the measured concentration of chlorine and the signal fr...

Page 13: ...tion 10 Alarm LED 11 Display Operator keys 1 Up key Manual activation of relay 1 LED indicating status of relay 1 2 Down key Manual activation of relay 2 LED indicating status of relay 2 If the keys U...

Page 14: ...sis Display and set device number for RS 485 Display and set switching point 1 Display and set pulse frequency for switching point 1 Transmit alarms via RS 485 Display and set switching point 2 Displa...

Page 15: ...o position interpulse Two position pulse frequency Three position step Continuous Three position proportional SP 1 Required setpoint 0 Pulse frequency for SP 1 0 0 a r 0 0 SP 2 Pulse frequency for SP...

Page 16: ...10 3 4 Switching the code functions on and off Fig 13 Switching code functions TM03 7066 1213 TM03 7067 1213 TM03 7069 1213 XXX 086 Currently set code Settings can now be modified XXX 086 Currently s...

Page 17: ...alarm ON Alarm relay is energised for approximately 1 second momentary pulse e g to trigger an alarm recorder 6 Proportional action control for switching point 1 OFF Switching point 1 with proportion...

Page 18: ...on controller without feedback of positioning angle 19 Signal of current output 1 control output for SP 1 OFF Signal 0 to 20 mA ON Signal 4 to 20 mA 20 Signal of current output 2 position of feedback...

Page 19: ...Select code function 10 OFF Switching point 1 with differential action control ON Switching point 1 without differential action control Displaying and setting pulse frequency for switching point 1 Ran...

Page 20: ...action control ON Switching point 2 without differential action control Displaying and setting pulse frequency for switching point 2 Range of adjustment 0 1 correlates with 10 pulses hour to 72 correl...

Page 21: ...device operates as a limit contact sensor TM03 7077 1213 18 0 XXX 086 n 1 Current setpoint Set setpoint Setpoint is saved 018 XXX Current setpoint Set setpoint Setpoint is saved Note If the reset time...

Page 22: ...ely 1 second momentary pulse e g to trigger an alarm recorder Displaying and setting maximum dosing time Fig 27 Setting maximum dosing time 10 3 17 Set current input 1 measured value Select signal Sel...

Page 23: ...put 2 Selecting function of current output 2 Select code function 21 OFF Position of feedback potentiometer ON Control output for switching point 2 Selecting signal Select code function 20 OFF Signal...

Page 24: ...ings for RS 485 interface Displaying and setting device number Switch on code function 15 A colon flashes in display Fig 32 Setting device number Switch off code function 15 The colon no longer flashe...

Page 25: ...function 15 A colon flashes in the display Fig 34 Resetting factory settings TM03 7089 1213 00 0 0 0 n 1 n 1 XX M2 01 M2 00 M2 Current status 00 or 01 Alarms are not transmitted Alarms are transmitted...

Page 26: ...the nearest Grundfos company or service workshop Fault Cause Remedy 1 No display after startup a No supply voltage Connect supply voltage b Mains fuse is blown Replace mains fuse 2 Display indicates...

Page 27: ...nal control element The final control element that changes the manipulated variable e g a chlorine gas dosing device or a dosing pump for chlorine bleaching leach Controller The controller is the devi...

Page 28: ...loop control a check is constantly performed to see whether the required result occurs Any deviations will be corrected A closed loop control is meaningful if the disturbance variables are unknown or...

Page 29: ...The control function calculates the manipulated variable on the basis of the deviation The various control actions and their corresponding parameters define the dependance between the manipulated var...

Page 30: ...e water corresponds e g exactly to the setpoint but a small supply of chlorine is always necessary to permanently retain the setpoint This cannot be achieved using the P controller since this outputs...

Page 31: ...ic of the D controller is the derivative action time Tv Fig 40 Differential action 15 1 5 Adaptation and error correction When adapting the controller to the controlled system use the basic parameter...

Page 32: ...e dosing If the water quality is constant it is not necessary to check the result as a specific quantity of dosed chlorine results in a specific excess of chlorine Therefore this is an open loop contr...

Page 33: ...o the flow is varied upwards or downwards Fig 49 Proportional control with disturbance Dual setpoint control with acid and leach The purpose is to retain the pH value in the water at a specific value...

Page 34: ...escription The actual value of the required chlorine concentration falls below the setpoint Dosing pump for chlorine bleaching leach is switched on The actual value of the required chlorine concentrat...

Page 35: ...GB 35 Connection diagram Fig 52 Connection diagram for dosing pump TM03 7108 1613 Pos Description 1 Free relay outputs 2 Dosing pump 3 Power supply 15 16 17 18 19 20 21 22 23 24 25 26 L1 N PE L1 N PE...

Page 36: ...sly Fig 53 Two position interpulse controller for chlorine Parameter settings TM03 7109 1613 Off On Off On Off On SP 1 Chlorine concentration Deviation from setpoint Interpulse period Switching status...

Page 37: ...GB 37 Connection diagram Fig 54 Connection diagram for dosing pump TM03 7108 1613 Pos Description 1 Free relay outputs 2 Dosing pump 3 Power supply 15 16 17 18 19 20 21 22 23 24 25 26 L1 N PE L1 N PE...

Page 38: ...ter settings TM03 7110 1613 Off On Off On Off On SP 1 Deviation from setpoint Interpulse period Switching status of the pump pH value SP 1 Required pH value e g 50 correlates with pH 7 00 Pulse freque...

Page 39: ...nection diagram for dosing pump Note With upward control direction using leach Switch on code function 1 TM03 7108 1613 Pos Description 1 Free relay outputs 2 Dosing pump 3 Power supply 15 16 17 18 19...

Page 40: ...ulse frequency controller for chlorine Parameter settings TM03 7111 1613 Off On Off On Off On SP 1 Chlorine concentration Deviation from setpoint Switching status of the pump individual dosing strokes...

Page 41: ...n diagram Fig 58 Connection diagram for dosing pump contact input TM03 7112 1613 Pos Description 1 Free relay outputs 2 Dosing pump 3 Power supply 4 Contact input 15 16 17 18 19 20 21 22 23 24 25 26 L...

Page 42: ...On Off On Off On SP 1 pH value Deviation from setpoint Switching status of the pump individual dosing strokes SP 1 Required pH value e g 50 correlates with pH 7 00 Pulse frequency for SP 1 72 maximum...

Page 43: ...or dosing pump contact input Note With downward control direction using leach Switch on code function 1 TM03 7112 1613 Pos Description 1 Free relay outputs 2 Dosing pump 3 Power supply 4 Contact input...

Page 44: ...ceeds the setpoint Dosing pump for acid carries out individually controlled dosing strokes The actual value of switching point 2 falls below the setpoint Dosing pump for leach carries out individually...

Page 45: ...r hour The dosing capacity of the pump is then fully utilised Xp According to local conditions e g 100 Higher setting results in smaller control steps Lower setting results in larger control steps Tn...

Page 46: ...s The actual value of switching point 1 exceeds the setpoint Dosing pump for acid is switched on for brief periods The actual value of switching point 2 falls below the setpoint Dosing pump for leach...

Page 47: ...etting results in smaller control steps Lower setting results in larger control steps Tn According to local conditions e g 300 sec Higher setting results in slower control Lower setting results in fas...

Page 48: ...servomotor moves in direction of the decreased dosing capacity Fig 65 Three position step controller Parameter settings TM03 7118 1613 Min Max Min Max Min Max SP 1 Chlorine concentration Deviation fro...

Page 49: ...ion diagram Fig 66 Connection diagram for servomotor TM04 1191 1613 Pos Description 1 Free relay outputs 2 Servomotor 3 Power supply 4 Open 5 Close 15 16 17 18 19 20 21 22 23 24 25 26 L1 N PE M 1 S2 1...

Page 50: ...When the flow of water decreases The servomotor moves in direction of the decreased dosing capacity Fig 67 Three position proportional controller Parameter settings TM04 1192 1613 Min Max Min Max Min...

Page 51: ...k potentiometer servomotor TM04 1193 1613 15 16 17 18 19 20 21 22 23 24 25 26 L1 N PE M 1 S2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 E 100 A 0 S IDM 1 3 4 5 2 6 2 N 1 S1 PE Pos Description 1 Free relay outpu...

Page 52: ...ng capacity When the flow of water decreases The servomotor moves in the direction of the decreased dosing capacity The closed loop control is dependent on the measured value When the chlorine concent...

Page 53: ...otor measuring amplifier TM04 1194 1613 15 16 17 18 19 20 21 22 23 24 25 26 L1 N PE M 1 S2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 E 100 A 0 S 1 3 4 5 2 6 IDM 7 2 N 1 PE S1 Pos Description 1 Free relay outpu...

Page 54: ...rokes Fig 70 Continuous controller Parameter settings TM04 1195 1613 Off On Off On Off On SP 1 Chlorine concentration Deviation from setpoint Switching status of pump individual dosing stokes Current...

Page 55: ...onnection diagram for dosing pump current input TM04 1196 1613 24 25 26 L1 N PE L1 N PE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PE 1 3 15 16 17 18 19 20 21 22 23 2 4 Pos Description 1 Free relay outputs 2 Do...

Page 56: ...er decreases The current signal decreases The closed loop control is dependent on the measured value When the chlorine concentration decreases the current signal is additionally increased When the chl...

Page 57: ...sing pump current input measuring amplifier TM04 1197 1613 24 25 26 L1 N PE L1 N PE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PE 1 3 15 16 17 18 19 20 21 22 23 2 4 IDM 5 Pos Description 1 Free relay outputs 2...

Page 58: ...esponding device number is transmitted After that carriage return CR is transmitted which always indicates the end of a function request or data transmission The called device answers with the device...

Page 59: ...er Hex code Function 00 30H 30H Device number 94 39H 34H Device code Conex DIS 2Q CR 0DH Carriage return ASCII character Hex code Function 24H Select function 24 32H 34H Function number CR 0DH Carriag...

Page 60: ...in 21 Code 22 Setpoint SP 1 23 Setpoint SP 2 24 Proportional band 25 Reset time 26 Rate time 27 Check back signal of the correcting variable 28 Alarm delay time 2A Hysteresis 2B Pulse frequency for S...

Page 61: ...den Richtlinien des Rates zur Angleichung der Rechtsvorschriften der EU Mitgliedsstaaten bereinstimmt FR D claration de conformit CE Nous Grundfos d clarons sous notre seule responsabilit que le produ...

Page 62: ...ouc Phone 420 585 716 111 Telefax 420 585 716 299 Denmark GRUNDFOS DK A S Martin Bachs Vej 3 DK 8850 Bjerringbro Tlf 45 87 50 50 50 Telefax 45 87 50 51 51 E mail info_GDK grundfos com www grundfos com...

Page 63: ...ngapore 619264 Phone 65 6681 9688 Telefax 65 6681 9689 Slovakia GRUNDFOS s r o Prievozsk 4D 821 09 BRATISLAVA Phona 421 2 5020 1426 sk grundfos com Slovenia GRUNDFOS d o o landrova 8b SI 1231 Ljubljan...

Page 64: ...1488 0714 ECM 1111485 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright...

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