Vemer MCR400 Bedienungsanleitung
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MCR400
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V3IS00197-031
Mod. MCR
User Manual
MOTOR ALTERNATION CONTROL RELAY
Read all the instructions carefully
ThemotorcontrolrelayMCR is an electronic command device in a standardised
4-module DIN container, to control the motor alternation.
SAFETY WARNINGS
During the installation and operation of the instrument, proceed in accordance with the
instructions below:
1) The instrument should be installed by a competent operator following the
installation diagrams carefully
2) The instrument should be installed in a panel from which no access can be gained to
the terminals after installation
3) Do not power or connect the instrument if any part of it is damaged
4) The electrical system of the building in which the instrument is to be installed
should have a switch and a protective device against over-currents
5) The instrument is designed for installations with over-voltage category III and
pollution level 2, in accordance with the EN 61010-1 standard.
Code Model Description
VP813000
MCR048
Motoralternationrelay24/48V
VP812200
MCR230
Motoralternationrelay115/230V
VP811400
MCR400
Motoralternationrelay400V
TECHNICAL SPECIFICATIONS
• Powersupply:24/48/115/230/400V~(-15%÷+10%),50/60Hz
• Absorption:3,5VA(2,5W)
• Terminal:6mm2block
•
Relay 1 output
: –relaywithexchangecontact8A/250V~
–maximumswitchablepower2000VAcos =1
•
Relay 2 output
: –relaywithexchangecontact8A/250V~
–maximumswitchablepower2000VAcos =1
• •Signalling: –GreenLED:poweron
–RedLED:relay1intervention
–RedLED:relay2intervention
• Operatingtemperature:–5°C÷+50°C
• Storagetemperature:–10°C÷+70°C
• Humidity:20%÷90%,non-condensing
• Insulation:powersupplyandloadcircuits,galvanicallyinsulatedatreinforcedinsulation
levelinaccordancewiththeEN61010-1standard
• Container:4-moduleDIN,colourRAL-7035grey
• Casingmaterial:self-extinguishinginclassV0,inaccordancewiththeUL-94standard
• Degreeofprotection:IP20/IP51whencorrectlyinstalledinanelectricalpanel
USE
• Thisdeviceisdesignedtogivethebalancedwearandtearofpumps,compressors,
generators,etc.,whentwounits,oneinoperationandoneback-up,areinstalled.
• Theoperatingprincipleisbasedonthealternationofthemotorstart-upcommands
eachtimetheinputcontactpilotedbyanoutsideautomaticdevice(suchasapressure
switch)isclosed.
• Aswellasthistypeofalternation,thistypeofrelaycanalsobeusedforthealternate/
simultaneouscommandoftwomotors,andforthecascadecommandoftwomotors.
OPERATING
ALTERNATING COMMAND OF TWO MOTORS
• Inthiscase,onlythemain
P1/G1
contactisused,pilotedbyanoutsideautomaticdevice
(suchasapressureswitch/oat).
• Eachinterventionofthe
P1/G1
contactcausesthealternatingstart-upofoneofthetwo
motors,exchangingtheoperatingfunction(seethe
“Operating Diagram 1”
).
ALTERNATING/SIMULTANEOUS COMMAND OF TWO MOTORS
• Inthiscasethemain
P1/G1
contactandthesecondary
P2/G2
contactsareused,
pilotedbytwooutsideautomaticdevices(suchastwopressureswitches)adjustedto
twodifferentinterventionthresholds.
• Eachinterventionofthe
P1/G1
contactcausesthealternatingtart-upofoneofthetwo
motors,exchangingtheoperatingfunction.
• Theinterventionofthe
P2/G2
contactcausesthestart-upofthesecondmotor,thus
settingupthe
emergency help
function(when,forexample,asinglepumpisunableto
satisfythepumpingrequirements.
See the
“Operating Diagram 2”
.
• Whenthepowersupplylineisinsertedwhenboththe
P1/G1
and
P2/G2
contacts are
closed,thestart-upofthesecondmotorisdelayedby2seconds,thushalvingthethrust
currentandtheconsequentoscillationofthecoilsupplyvoltage.
• Thesecondary
P2/G2
contactalsoguaranteestheemergencyhelpfunctionintheevent
offailureofthemain
P1/G1
contact.
• Thisthereforemakesitpossibletostart-uponeofthemotorsinstantaneously,andthe
back-upmotorafteradelayof2seconds.
CASCADE COMMAND
• When2ormorerelaysareused,thecascadeoperationof3ormoremotorsispossible,
withtheexchangeofthe
operating
and
emergency help
functionsofthevarious
motorsasrequired..
REFERENCE STANDARDS
ConformitytotheEUdirectives:
2006/95/EC(LowVoltage)
89/336/EECmodiedby92/31/EECand93/68/EEC(EMC)
isdeclaredwithreferencetothefollowingharmonisedstandards:
Safety:
EN61010-1
Electromagnetic compatibility:
EN61000-6-2,EN61000-6-4
Dimensions
Connection diagram
Operating diagram 1
ON ON
ON
Relay 1
Relay 2
MCR
65
87
45
60 72
Operating diagram 2
ON
OFF
ON
OFF
ON
OFF
ON
OFF
2s
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Power supply
P1/G1
P2/G2
Relay 1
Relay 2
Power supply
P1/G1
Relay 1
Relay 2
MCR048
MCR230
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
8A / 250 V ca
24 V ca (1-2)
115 V ca (1-2)
MCR048
MCR230
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
48 V ca (1-3)
230 V ca (1-3)
400 V ca (1-3)
MCR400
8A / 250 V ca
P1 / G1 P2 / G2P1 / G1 P2 / G2
relay 2 relay 2
relay 1 relay 1
Produktspezifikationen
| Marke: | Vemer |
| Kategorie: | Nicht kategorisiert |
| Modell: | MCR400 |
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