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v. 3.0

Reference guide

Compressor Control Module CM-RC-01

3.0

16 / 44

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10-14 starts/h

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15-19 starts/h



>20 starts/h

Lifetime: 365 days

4.4

BEST software

The BEST Software is used for live monitoring of operation conditions, download of datalogs and
configuration of the CM-RC-01.
The BEST Software can be downloaded from the BITZER homepage,

4.5

Communication

Detailed status information and communication with the system controller is done via the Modbus
(RTU) interface.
Please see the detailed description in section 10 Programming and monitoring.

A Bluetooth module will be added soon.

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Summary of Contents for CM-RC-01

Page 1: ...Reference guide Compressor Control Module CM RC 01 Compressor Control Module...

Page 2: ...counters 14 4 3 6 Accumulated operation counters 15 4 3 7 Capacity load 15 4 3 8 Daily counters 15 4 3 9 Runtime statistic 15 4 3 10 Compressor start statistic 15 4 4 BEST software 16 4 5 Communicatio...

Page 3: ...ption codes 31 10 3 Parameters 31 10 3 1 Control application 31 10 3 2 Status alarm 32 10 3 3 Status compressor 33 10 3 4 Status motor 34 10 3 5 Status device 35 10 3 6 Status IO 35 10 3 7 Configurati...

Page 4: ...unicipal waste and such waste must be collected and disposed of separately 2 The public or private waste collection systems defined by local legislation must be used In addition the equipment can be r...

Page 5: ...ed in case installation is performed by unauthorized personnel or in case the CM RC 01 has not been correctly installed 1 2 Safety The CM RC 01 is a protection device and not a safety component accord...

Page 6: ...d to motor compressor and refrigerant type must be done to enable all available protection functions This is done with the BITZER BEST Software The CM RC 01 module monitors and controls compressor ope...

Page 7: ...HW Hardware electronics I O Input Output electrical signals in and out of a unit LP Low Pressure Modbus Application layer messaging protocol http www modbus org specs php NC Normally Closed relay NO...

Page 8: ...r the alarms Reset using the serial bus is preferable as this gives better statistical data of compressor operation without the power cycle interruptions 4 1 Control functions Via the BEST Software th...

Page 9: ...to the compressor an additional fan and liquid injection cooling CIC The two functions are controlled by the CM RC 01 module The additional fan cooling and or CIC are automatically applied if the comp...

Page 10: ...e s to achieve the requested capacity with as little pressure fluctuations as possible The capacity range is 10 100 When liquid injection cooling CIC needs to run due to high discharge temperature the...

Page 11: ...ure difference DP 1 monitoring Actual status is always accessible via Modbus If an oil level fault is detected the status is immediately updated via Modbus However the first 90 seconds after compresso...

Page 12: ...it is reached Active warning critical and faults are set inactive when the operating point again is within the reset limit HP cut out and LP cut out are configured in the BEST Software Evaporating tem...

Page 13: ...le will give a warning if the compressor is started too many times within 1 hour but the compressor will not be locked 4 3 Datalog The built in data logger stores operation data sensor data alarms and...

Page 14: ...alarm entries 365 days 4 3 2 Events Possible events Power Up Power Down Extern alarm reset Compressor Start Compressor Stop Service tool connect Lifetime of events 30 days 4 3 3 Datalog information I...

Page 15: ...the range 11 20 Cap Load 91 100 percentage of the time where the compressor had a load in the range 91 100 Lifetime 365 days 4 3 8 Daily counters Device Power Ups Compressor Starts Number of Faults Nu...

Page 16: ...operation conditions download of datalogs and configuration of the CM RC 01 The BEST Software can be downloaded from the BITZER homepage www bitzer de 4 5 Communication Detailed status information and...

Page 17: ...in section 10 3 7 Configuration application o Setting of the refrigerant if not done via the BEST Software Commands and setpoint can be given via the digital and analogue inputs or by combining the d...

Page 18: ...f Stopped On 100 Running Note Please observe max number of starts per hour Control commands can be given to the CM RC 01 via the Serial Control Word The bit definitions are shown in the table below Th...

Page 19: ...command 43F 1087 0000 0 1 00 0 0 11 1 111 Start 47F 1151 0000 0 1 00 0 1 11 1 111 Reset 4BF 1215 0000 0 1 00 1 0 11 1 111 Stop 437 1079 0000 0 1 00 0 0 11 0 111 No command is the neutral value allowin...

Page 20: ...he different reactions of the Serial Control Timeout Function can be adjusted Every update of the Serial control word resets the timeout function Default timeout is 60 seconds Please see section 10 3...

Page 21: ...2A 1 Control Output CN5 Add Fan N Output Neutral NO Additional fan 115 V 230 V 10 15 50 60 Hz max 2A 1 Control Output CN6 CRII 1 N Output Neutral NO CRII 1 valve 115 V 230 V 10 15 50 60 Hz max 2A 1 CR...

Page 22: ...ata 2CP5 71 49 abs or equivalent 5 VDC max 10 mA 0 13 bar abs 0 5V ratio metric accuracy 1 F S 0V Cap Input 0 10V CN13 Input GND Input Ground Capacity 0 100 capacity 0 10 V input Rin 39 k accuracy 2 0...

Page 23: ...v 3 0 Reference guide Compressor Control Module CM RC 01 3 0 23 44 7 Drawings Mounting is inside a new element for the terminal box Size of the element depends on the compressor model...

Page 24: ...0 1 Safety requirement for electrical equipment for measurement and control EMC 2004 108 EC 61000 6 x Generic EMC The following standards have been used EN 61010 1 Safety requirement for electrical eq...

Page 25: ...ich may require attention but is not severe enough to stop operation of the compressor The compressor keeps running Warnings Criticals and Faults can be active at the same time as they may have separa...

Page 26: ...es Yes Timed 3004 Envelope SDT High Yes Yes Yes Timed 3005 Envelope SST High SDT High Yes Yes Yes Timed 3006 Envelope SST High Yes Yes Yes Timed 3007 Envelope SST High SDT Low Yes Yes Yes Timed 3008 E...

Page 27: ...851 HW 24V No No Yes Restart 67 Device SW Configuration 6700 Config Data No File No No Yes Restart 6701 Config Data CRC Error No No Yes Restart 6702 Config Data Wrong Version No No Yes Restart 6703 Co...

Page 28: ...eset type 7403 Sensor Suction Pressure Signal Low No No Yes Timed 7404 Sensor Suction Pressure Signal High No No Yes Timed 7405 Sensor Discharge Pressure Signal Low No No Yes Timed 7406 Sensor Dischar...

Page 29: ...ions 10 2 1 Modbus RTU configuration Specification of the protocol Protocol Modbus RTU mode See http www modbus org specs php Modbus address Default address 48 30 hex can be changed to 1 247 Baud rate...

Page 30: ...ger S32 signed 32 bit integer Ch16 8 bit ASCII character text string Null terminated if not max length 10 2 3 Reading and writing 32 bit values via Modbus 32 bit values must be read as two consecutive...

Page 31: ...ome parameters Default The default settings of the parameters Description Description of the parameter and specific settings for some parameters marked with italics The parameters are subject to chang...

Page 32: ...eset command or restart AlarmStatus Locked unit None scale 1 uint8 If locked ICP is waiting for external reset command or restart 0 No 1 Yes IR 11105 Reset level required to clear any active alarm Ala...

Page 33: ...DT IR 12005 Envelope Status Envelope Status unit None scale 1 uint8 Envelope operation status 0 Stopped 1 Starting 2 Running 3 Stopping 4 Warning inside envelope 5 Critical outside envelope 6 Fault IR...

Page 34: ...control valve CR 2 Output CapReg2 unit None scale 1 uint8 Capacity control valve CR 2 0 Off 1 On IR 12033 Capacity control valve CR 3 Output CapReg3 unit None scale 1 uint8 Capacity control valve CR...

Page 35: ...ORT 3 SLOW_MED 4 SLOW_LONG 5 FAST_SHORT 6 FAST_MED 7 FAST_LONG IR 15991 State of the Warning LED Output WarningLight unit None scale 1 uint8 State of the Warning LED 0 OFF 1 ON 2 SLOW_SHORT 3 SLOW_MED...

Page 36: ...Fault IR 20302 Serial Control Timeout Time SerCtlCfg TimeoutTm unit s scale 1 uint16 60 s Serial Control Timeout Time 10 3 8 Configuration compressor The group contains configuration information for...

Page 37: ...Description IR 30000 30001 Device Operating Hours Log OperateTime unit h scale 1 uint32 Device Operating Hours IR 30010 30011 Compressor Running Hours Log RunTime unit h scale 1 uint32 Compressor Runn...

Page 38: ...15 Y 5147 4JE 22 Y 5148 4HE 15Y 5149 4HE 18 Y 5150 4HE 25 Y 5151 4GE 20Y 5152 4GE 23 Y 5153 4GE 30 Y 5154 4FE 25Y 5155 4FE 28 Y 5156 4FE 35 Y 5157 6JE 22Y 5158 6JE 25 Y 5159 6JE 33 Y 5160 6HE 25Y 5161...

Page 39: ...e actual zone where the warning or alarm is raised can be read via the BEST Software Verify using BEST Software that CM RC 01 is configured for the correct compressor and application Also that the cor...

Page 40: ...dicates possible problems but the product is still operational the longer on period the higher the severity of the alarm Red LED Indicates operation has stopped due to a fault the longer the on period...

Page 41: ...or only by a power cycle in some situation In such a situation it may be a good idea to take a note about the flashing pattern since this could help to locate the problem Alarms Warnings criticals and...

Page 42: ...start power cycle Start up state init ressources init subscribtions init configuration init config ready Terminate state asserts and exceptions Assert in code NMI fault exception Hard fault exception...

Page 43: ...v 3 0 Reference guide Compressor Control Module CM RC 01 3 0 43 44 12 Notes...

Page 44: ...e CM RC 01 3 0 44 44 BITZER K hlmaschinenbau GmbH Eschenbr nnlestra e 15 71065 Sindelfingen Germany Tel 49 0 70 31 932 0 Fax 49 0 70 31 932 147 bitzer bitzer de Internet www bitzer de Ver 3 0 26 04 20...

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