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34

Dual-Pump System Installation

CG Drives & Automation 01-5965-01r1

Fig. 16 Dual-pump example (alternatively, see the Appendix, Chapter 13)

7.1

Dual-pump system connection

(Parallel connection of two Emotron DCMs)

7.1.1

Dual-pump supply connection (L1, L2 & L3)

Connect the main voltage from each pump to the respective DCM as described
in Section 6.1.1, page 28. S ee Fig. 16.

7.1.2

Dual-pump current transformer connection
(S1 & S2)

Connect the current transformers (CTMs) from each pump to the respective
DCM as described in Section 6.1.2, page 28. See Fig. 16.

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Summary of Contents for DCM

Page 1: ...Emotron DCM Control Unit Instruction manual English...

Page 2: ......

Page 3: ...Installation 13 5 1 Choice of current transformer 13 5 2 The operator s panel 17 5 3 Description of functions 19 5 4 Connection terminals 23 6 Single Pump System Installation 25 6 1 Single pump system...

Page 4: ...Checking the current F3 40 8 4 Operating fault F4 40 8 5 Temperature input F5 40 8 6 Undervoltage LU Overvoltage OU alarm 41 9 Troubleshooting 43 10 Technical Data 45 10 1 EU European Union specificat...

Page 5: ...terminal covers option and this instruction manual Check carefully that the equipment ordered complies with the pump motor s input voltage and that the current transformer rating is as stated on the...

Page 6: ...2 Inside the Box CG Drives Automation 01 5965 01r1...

Page 7: ...pecial attention to the information in this chapter and the parts marked WARNING and CAUTION in the chapter on operation Check that the Emotron DCM and the equipment are correctly connected before bei...

Page 8: ...4 Safety CG Drives Automation 01 5965 01r1...

Page 9: ...the DCM Pay special attention to the Safety chapter in this manual and the parts marked WARNING and CAUTION 3 1 Description The Emotron DCM measures the input power by measuring voltage and current Th...

Page 10: ...nformation about Delay time before restarting after the pump has stopped Pumping time since the latest pump start High level pumping time since the pump started as a result of high level switch over M...

Page 11: ...in this manual 4 2 Connection and setup before start 1 Connect the Emotron DCM according to Chapters 5 and 6 and Fig 13 alternatively for dual pumps Chapter 7 and Fig 15 and 16 2 Make sure all safety...

Page 12: ...ete setup for single pump system installation alternatively Chapter 7 for dual pump system installation On the following pages is a description for the single pump setup in general In the event of an...

Page 13: ...ron DCM 3 Step with the button to window 13 and check that the line is shown at the top of the display If not press then press to confirm 4 When the pump is working in steady state press until SEt is...

Page 14: ...the pump system control equipment to the on position 1 or Auto to start the pump If necessary press to start the pump 4 Run the pump until it starts to snore 5 Press until SEt is shown on the display...

Page 15: ...3 seconds while the pump is stopped until SEt is shown in the window NO YES Press the Does window 00 indicate an alarm NO Check the troubleshooting procedure see YES Set window 13 Press the key for 3...

Page 16: ...in the pit and switch the power on Both pumps will start running now Set the Emotron MASTER DCM window 71 to 2 see Table 8 Set the Emotron SLAVE DCM window 71 to 3 Continue from here with the Quick S...

Page 17: ...the rating plate on the side of the unit corresponds to the motor line voltage 5 1 Choice of current transformer Depending on pump motor size the Emotron DCM should be used with one or two current tra...

Page 18: ...Fig 6 Example CTM 025 with 2 windings for a 12 A pump motor Fig 7 Example 1 2 and 3 windings see also note on page 14 NOTE The current transformer must be linked to the phase connected to terminal 9 L...

Page 19: ...A According to Table 2 choose a standard current transformer 150 5 with one 1 winding and a CTM010 with two 2 windings In order to ensure accurate calibration of the Emotron DCM it is essential that y...

Page 20: ...rimary transformer 500 5 with 1 winding for a 260 A pump motor See also note on page 15 NOTE The current transformer s must be used according to Table 1 or Table 2 Make sure to apply the correct numbe...

Page 21: ...on OFF whose value is shown by the three larger digits or characters to the right When the value is greater than 999 all five digits are used to display the parameter value alternating with the window...

Page 22: ...econds Percent Table 4 Function of the keys Key Function RESET START Resets a latched alarm Starts the pump motor Auto set The stop level is automatically set when the button is pressed for 3 s NEXT P...

Page 23: ...with the default settings shown in Table 8 page 53 One minute after any front panel button is pressed the Emotron DCM returns to Window 00 if an alarm has been triggered Window 01 if the pump is paus...

Page 24: ...a pit volume which is the capacity of the pump in litres The operator can decide at what pit volume the DCM should start pumping using window 21 Start volume pump capacity litres min x time constant i...

Page 25: ...ity 600 litr es min Window 21 is set to 1 Time 1400 1600 1200 800 600 400 200 0 V olume i n the p i t i n l i tres Example 3 Inflow 300 litr es min Pump capacity 600 litr es min Window 21 is set to 2...

Page 26: ...ad when the pump does not snore window 13 is set to A2 Stop level if Auto set is pressed when the pump does not snore window 11 A3 Snore margin window 12 When there is NO liquid in the pit B1 Motor lo...

Page 27: ...ernal reset Auto set In dual pump applications terminal 3 is also used for communication between the two DCMs 4 SGND Signal ground for terminals 3 and 5 5 TEMP Input for motor thermistor PTC thermal c...

Page 28: ...24 Installation CG Drives Automation 01 5965 01r1...

Page 29: ...wer supply and cannot become live L1 L2 L3 N Thermo contact S1 S2 Dig SGND Temp Pump C Allarm L3 L2 L1 CTM xxx L1 Number of primary and secondary windings see Table 2 Number of primary windings see Ta...

Page 30: ...e used for motors with a rated current greater than 100 A always connect the CTM010 to the DCM and one outer standard current transformer with 2 primary windings through the CTM010 see Fig 8 and 13 an...

Page 31: ...Terminals 3 DIG and 4 SGND are connections for a closing contact between DIG and SGND The three functions that can be initiated by the digital input are 1 High level switch to enable immediate start...

Page 32: ...3 and 12 4 In window 22 set the maximum pause time between 0 720 minutes See section 6 4 page 30 5 In window 23 set the required start up delay between 1 170 s Start up delay time is the time between...

Page 33: ...gh level switch 2 external reset 3 external Auto set 14 Connect the start and stop equipment to terminal 8 see Fig 13 page 25 15 Check that the pump is pumping in accordance with the setting in window...

Page 34: ...in window 11 6 4 Start conditions and pause time adjustment In normal operation there are two starting options 1 Pump start after remaining pause time window 01 2 Pump start at high level switch windo...

Page 35: ...ce the start level in the pit See schematic pump cycle example in Fig 11 and 14 Maximum pause time for the pump is set in window 22 The calculated pause time will be limited to this value In some appl...

Page 36: ...32 Single Pump System Installation CG Drives Automation 01 5965 01r1...

Page 37: ...automatic control equipment etc is disconnected from the power supply and cannot become live NOTE Some useful hints and examples are given in Chapter 6 page 27 Single Pump System Installation NOTE Th...

Page 38: ...rallel connection of two Emotron DCMs 7 1 1 Dual pump supply connection L1 L2 L3 Connect the main voltage from each pump to the respective DCM as described in Section 6 1 1 page 28 See Fig 16 7 1 2 Du...

Page 39: ...E The digi tal input can be used for high level switch or external reset The high level switch must be connected in series with the DCM MASTER terminal 6 ALARM and terminal 3 C When external reset is...

Page 40: ...s OFF 3 In window 73 on the MASTER DCM set the condition for pump start up on the high level switch Both pumps start on One pump starts OFF 4 In window 13 select the type of Auto set on both DCMs Set...

Page 41: ...ee Section 8 2 12 In window 51 on the SLAVE DCM set the alarm relay contact function to NO normally open or NC normally closed see Section 7 1 3 page 35 13 In window 52 on both DCMs set the operating...

Page 42: ...set parameters Set window 09 to 369 in each DCM and confirm with A padlock is shown in the window If the value 369 is re entered in window 09 and confirmed by the settings are unlocked 7 3 Returning t...

Page 43: ...ed as digital input by an external reset 8 1 Phase sequence F1 When the DCM is first switched on phases L1 L2 and L3 are checked for correct phase sequence If the wrong phase sequence is detected an F...

Page 44: ...is activated If communication between the DCM MASTER and the DCM SLAVE is interrupted an F4 alarm is generated and the ALARM relay is activated See Fig 16 page 36 and Section 7 1 4 page 37 8 5 Temper...

Page 45: ...Switch the power off Check that the line voltage corresponds to the voltage range of the DCM according to the rating plate on the side of the unit Table 6 Alarm indications Indication Function Remark...

Page 46: ...42 Protection and Alarm CG Drives Automation 01 5965 01r1...

Page 47: ...n supply before any wires etc are disconnected or connected Problem Solution oor out of range is shown in the window Means that the value is too high to be presented on the display Impossible to perfo...

Page 48: ...ing pit The DCM is designed to work with a pit volume which is the capacity of the pump in litres see Note on page 22 Over dimensioned pump The capacity of the pump is too high This will cause the pum...

Page 49: ...3 kg 10 5 oz Supply voltage VAC 3 x 100 to 240 3 x 380 to 500 3 x 525 to 690 10 NOTE that these are separate voltage units see table with order numbers on page 47 Frequency 45 to 65 Hz Current input C...

Page 50: ...AC12 Fuse 10 A max Terminal wire size Use 75 C copper CU wire only 0 2 to 4 0 mm single core AWG12 0 2 to 2 5 mm flexible core AWG14 stripped length 8 mm 0 32 Terminal tightening torque 0 56 0 79Nm 5...

Page 51: ...this cable must not be extended Order number Designation 01 2110 25 Emotron DCM 3x100 240 VAC 01 2110 45 Emotron DCM 3x380 500 VAC 01 2110 55 Emotron DCM 3x525 690 VAC Type Dimensions Wx Weight Mounti...

Page 52: ...01 2471 20 Current Transformer CT CTM025 max 25 A 01 2471 30 Current Transformer CT CTM050 max 50 A 01 2471 40 Current Transformer CT CTM100 max 100 A 01 2368 00 Front Panel Kit 1 2x terminal covers...

Page 53: ...installed and used in accord ance with the instruction manual may cause harmful interference in which case the user will be required to correct the interference at their own expense 10 3 Canada specif...

Page 54: ...50 Technical Data CG Drives Automation 01 5965 01r1...

Page 55: ...DCM is SLAVE appears Symbol flashing and m min or s second 720 15 min 900 to 0 s 02 Pumping Time PT since the last pump start Displayed when pumping When the DCM is MASTER and the DCM SLAVE is pumping...

Page 56: ...econds to set the value to 0 Symbol 0 99999 0 08 Total number of pump starts Press and in this window simultaneously for 3 seconds to set the value to 0 0 99999 0 09 Parameter lock Symbol Is displayed...

Page 57: ...delay Symbol 1 to 170 s 5 s 24 Stop delay Symbol 1 to 90 s 2 s 31 High temperature on pump motor or motor protection alarm terminal 5 on Turn off OFF on OFF OFF 32 Latched alarm terminal 5 on Alarm n...

Page 58: ...l input for closing contact 1 High level switch 2 External reset 3 External Auto set not used in dual pump system 1 61 Measured current on the terminals S1 and S2 0 70 mA 71 Desired DCM function 1 Sin...

Page 59: ...igh level switch on Both pumps start OFF one pump starts NOTE Window is not shown when the DCM is SLAVE on OFF OFF 99 Default settings dEF User adjustments mode USr dEF USr dEF Table 8 Window paramete...

Page 60: ...56 Window Parameters CG Drives Automation 01 5965 01r1...

Page 61: ...of this document may be reproduced without permission from CG Drives Automation AB For more information contact your local sales outlet or visit us at www emotron com www cgglobal com Protected by ut...

Page 62: ...58 Service CG Drives Automation 01 5965 01r1...

Page 63: ...M xxx L1 Number of primary and secondary windings see Table 2 Number of primary windings see Table 1 Alternativ anslutning Exceeding 100 Amps Upto 100 Amp S S L1 Standard transformer CTM 010 DCM A A S...

Page 64: ...60 Appendix CG Drives Automation 01 5965 01r1 Fig 19 Dual pump example Figur 16...

Page 65: ......

Page 66: ...CG Drives Automation 01 5965 01r1 2013 05 27 CG Drives Automation Sweden AB M rsaregatan 12 Box 222 25 SE 250 24 Helsingborg Sweden T 46 42 16 99 00 F 46 42 16 99 49 www cgglobal com www emotron com...

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