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English (GB)

2. Parameter settings

Controller settings

LED

1st level

2nd level

3rd level

Measured value

Code functions

---

Code

Code number

Hysteresis

Device number for RS-485

---

SP 1

Switching point SP 1

Pulse frequency for SP 1

Transmits 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

Proportional band Xp

Interpulse period

sec

TN (s)

Reset time Tn

Actuating time

sec

TV (s)

Derivative action time Tv

Disturbance variable

Range of current input 2

sec

---

% at 0 (4) mA

% at 20 mA

Position of feedback

potentiometer

---

Maximum dosing time

Minimum pulse length

sec

Содержание Conex DIS-2Q

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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