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MANUAL Ska vara 25 mm i diameter på höjden CONTROL UNIT FOR ROTATING HEAT EXCHANGER WITH MODBUS VariMax25M UL/CSA Article no. F21025304 control...
INSTALLATION INSTRUCTIONS Warning indication The control unit must only be used in perfect technical condition. Any damage that may affect safety must be dealt with immediately. Maintenance/Repairs The function of the control unit should be checked regularly. Troubleshooting and repairs must only be performed by trained personnel.
SAFETY INSTRUCTIONS The following symbols and references will be used in this description. These instructions are important; they apply to personal and technical safety during operation. This safety instruction refers to instructions whose specific intent is to avoid the risk of personal injury and to prevent damage to equipment.
MANUFACTURER'S DECLARATION Manufacturer IBC control AB Brännerigatan 5 A, SE-263 37 Höganäs, Sweden Product Control unit for rotating heat exchanger Type designation VariMax25M EU Directive The manufacturer's declaration of conformity with the requirements of the applicable to the EMC Directive 2004/108/EC. product All control units are approved according to the requirements of the EMC Directive 2004/108/EC and are tested according to standard...
DESCRIPTION OF FUNCTIONS • The VariMax25M is a control device with embedded Modbus communication. Technical data for Modbus can be found on page 13-26. The control function can also be used with a normal 0-10 V input signal. Refer to page 6-11. •...
TECHNICAL DATA, CONTROL UNIT External power supply 1x230-240 V +/-15 % Output frequency 0-290 Hz 50/60 Hz Acceleration and 30 sec Power input, max. 110 W retardation time Ambient temperature, Input current, max. 0,9 A -30 - +45 non condensing -40 - +45 C ***) External fuse, max.
DIP SWITCH Cleaning function Cleaning function connected in ON position. When the rotor has stopped for 10 minutes, the cleaning function is activated and the rotor starts to rotate. As a warning, the rotor first rotates for 6 seconds at a motor speed of 5 rpm, the rotor is then stationary for 3 seconds.
Continued from previous page Probable fault cause - Magnet turned the wrong way during installation - Magnet transmitter incorrectly connected (wrong polarity), refer to "connections" on page 9 - Gap too wide between the magnetic sensor and magnet; max 15 mm Probable fault cause in - Broken belt operation...
CONNECTION DIAGRAM (Max 2 A / 50 V AC) 11 12 14 15 A1 A2 9 10 Reset 1 x 230 V Alarm relay Manual Input Rotation Thermal Stepping motor 3-phase speed signal monitor contact 0 - 10 V CONNECTIONS The voltage must be switched off before undertaking any work on the equipment.
INPUT SIGNAL/ROTATION SPEED Rotation speed (%) Input signal - rotation speed The input signal is directly proportional to the efficacy of the rotor, which implies that input signal and rotation speed are as per the adjacent diagram. Input signal 0-10 V CHECKS BEFORE POWERING UP THE CONTROL UNIT Check that the control unit is connected as per instructions on page 9.
EMC INSTALLATION NCY-HAR/UL/CSA 7G0,75 Incoming EKK 3G1.5 Unshielded Shielded Input signal, LiYCY 2x0,34, UL recognized, LiYCY 2x0,34/0,5 UL recognized Shielded Shielded EMC glands must be used for shielded cables. The above cables or equivalent must be used to comply with the EMC Directive. EMC GLAND NOTE! When connecting the shielding to the EMC gland, it is important to connect as shown above.
FUNCTION SETTINGS, MODBUS Activation of Modbus communication and configuration of address, data transfer rate, parity and termination are achieved through a 9-pole DIP switch. On delivery of the unit all DIP switches are set to their OFF position. For setting and configuration of the DIP switches refer to the table on page 18. Modbus communication is activated through DIP switches.
Green LED Red LED DIP switch OPERATIONAL INDICATIONS, MODBUS Green LED Red LED Operating mode Troubleshooting Unlit Unlit Modbus turned off Unlit Lit with fixed No communication - Communication cable broken light or not connected. - No communication received from host system. Unlit Flashing Non-interpretable...
DISCRETE INPUT 1-bit status register (Read). Modbus function 02 "Read Input Status" is used for reading. Reads 1 if a fault has occurred. 0 = normal 1 = alarm Address Name Designation Data Read/ Factor Unit form Write Error Error regardless of which fault Single bit Read has occurred.
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Short circuit Short circuit Single bit Read Short circuit Imbalance between phases Single bit Read Short circuit Phase 1 missing Single bit Read Short circuit Phase 2 missing Single bit Read Short circuit Phase 3 missing...
INPUT REGISTER 16-bit register (Read). Modbus function 04 "Read Input Registries" is used for reading. Address Name Designation Data Read/ Factor Unit form Write Program version UINT 16 Read Program version UINT 16 Read VariMax model Reads 25 for VariMax25 etc. UINT 16 Read Temperature Temperature in the control unit INT 16...
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Current rotor Only calculated if the speed UINT 16 Read speed reference value remains constant between two pulses on the rotation monitor. Displays 0 if no value is available. To ensure the correctness of the measured value the speed reference value should be...
INPUT REGISTER 32-bit register (Read). Modbus function 04 "Read Input Registries" is used for reading. Address Name Designation Data Read/ Factor Unit form Write Motor speed RPM Number of rotations UINT 32 Read Motor starts Number of motor starts UINT 32 Read Restarts Number of faults causing restarts UINT 32 Read Surge...
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Stop time, Time with stopped motor, UINT 32 Read normal temp. 0-40 °C Stop time, Time with stopped motor, UINT 32 Read cold temp. below 0 °C Running time, Time with motor running, in UINT 32 Read...
HOLDING REGISTER 16-bit register (Read/Write). Modbus function 03 "Read Holding Registries" is used for Reading. Modbus function 06 "Write Singles Registries" is used for Writing. Address Name Designation Data Read/ Factor Unit form Write Reference value, 1000 = 100 % of max speed UINT 16 Read/ relative speed setting.
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IBC control AB Brännerigatan 5 A SE-263 37 Höganäs Sweden Tel. +46 42 33 00 10 www.ibccontrol.se info@ibccontrol.se...
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MANUAL Ska vara 25 mm i diameter på höjden CONTROL UNIT FOR ROTATING HEAT EXCHANGER WITH MODBUS VariMax50M UL/CSA Article no. F21050304 control...
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TABLE OF CONTENTS Installation instructions Modbus Mounting Technical data, Modbus Safety instructions Connection Manufacturer's declaration Function settings, Modbus Description of functions Operational indications, Modbus Technical data, control unit Timeout Technical data, motor DIP switch Functions Modbus Register Folder - DIP switch Coil - Operational indications Discrete input...
INSTALLATION INSTRUCTIONS Warning indication The control unit must only be used in perfect technical condition. Any damage that may affect safety must be dealt with immediately. Maintenance/Repairs The function of the control unit should be checked regularly. Troubleshooting and repairs must only be performed by trained personnel.
SAFETY INSTRUCTIONS The following symbols and references will be used in this description. These instructions are important; they apply to personal and technical safety during operation. This safety instruction refers to instructions whose specific intent is to avoid the risk of personal injury and to prevent damage to equipment.
MANUFACTURER'S DECLARATION Manufacturer IBC control AB Brännerigatan 5 A, SE-263 37 Höganäs, Sweden Product Control unit for rotating heat exchanger Type designation VariMax50M EU Directive The manufacturer's declaration of conformity with the requirements of the applicable to the EMC Directive 2004/108/EC. product All control units are approved according to the requirements of the EMC Directive 2004/108/EC and are tested according to standard...
DESCRIPTION OF FUNCTIONS • The VariMax50M is a control device with embedded Modbus communication. Technical data for Modbus can be found on page 13-26. The control function can also be used with a normal 0-10 V input signal. Refer to page 6-11. •...
TECHNICAL DATA, CONTROL UNIT External power supply 1x230-240 V +/-15 % Output frequency 0-312 Hz 50/60 Hz Acceleration and 30 sec Power input, max. 240 W retardation time Ambient temperature, Input current, max. 1,9 A -30 - +45 non condensing -40 - +45 C ***) External fuse, max.
DIP SWITCH Cleaning function Cleaning function connected in ON position. When the rotor has stopped for 10 minutes, the cleaning function is activated and the rotor starts to rotate. As a warning, the rotor first rotates for 6 seconds at a motor speed of 5 rpm, the rotor is then stationary for 3 seconds.
Continued from previous page Probable fault cause - Magnet turned the wrong way during installation - Magnet transmitter incorrectly connected (wrong polarity), refer to "connections" on page 9 - Gap too wide between the magnetic sensor and magnet; max 15 mm Probable fault cause in - Broken belt operation...
CONNECTION DIAGRAM (Max 2 A / 50 V AC) 11 12 14 15 A1 A2 9 10 Reset 1 x 230 V Alarm relay Manual Input Rotation Thermal Stepping motor 3-phase speed signal monitor contact 0 - 10 V CONNECTIONS The voltage must be switched off before undertaking any work on the equipment.
INPUT SIGNAL/ROTATION SPEED Rotation speed (%) Input signal - rotation speed The input signal is directly proportional to the efficacy of the rotor, which implies that input signal and rotation speed are as per the adjacent diagram. Input signal 0-10 V CHECKS BEFORE POWERING UP THE CONTROL UNIT Check that the control unit is connected as per instructions on page 9.
EMC INSTALLATION NCY-HAR/UL/CSA 7G0,75 Incoming EKK 3G1.5 Unshielded Shielded Input signal, LiYCY 2x0,34, UL recognized, LiYCY 2x0,34/0,5 UL recognized Shielded Shielded EMC glands must be used for shielded cables. The above cables or equivalent must be used to comply with the EMC Directive. EMC GLAND NOTE! When connecting the shielding to the EMC gland, it is important to connect as shown above.
FUNCTION SETTINGS, MODBUS Activation of Modbus communication and configuration of address, data transfer rate, parity and termination are achieved through a 9-pole DIP switch. On delivery of the unit all DIP switches are set to their OFF position. For setting and configuration of the DIP switches refer to the table on page 18. Modbus communication is activated through DIP switches.
Green LED Red LED DIP switch OPERATIONAL INDICATIONS, MODBUS Green LED Red LED Operating mode Troubleshooting Unlit Unlit Modbus turned off Unlit Lit with fixed No communication - Communication cable broken light or not connected. - No communication received from host system. Unlit Flashing Non-interpretable...
DISCRETE INPUT 1-bit status register (Read). Modbus function 02 "Read Input Status" is used for reading. Reads 1 if a fault has occurred. 0 = normal 1 = alarm Address Name Designation Data Read/ Factor Unit form Write Error Error regardless of which fault Single bit Read has occurred.
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Short circuit Short circuit Single bit Read Short circuit Imbalance between phases Single bit Read Short circuit Phase 1 missing Single bit Read Short circuit Phase 2 missing Single bit Read Short circuit Phase 3 missing...
INPUT REGISTER 16-bit register (Read). Modbus function 04 "Read Input Registries" is used for reading. Address Name Designation Data Read/ Factor Unit form Write Program version UINT 16 Read Program version UINT 16 Read VariMax model Reads 50 for VariMax50 etc. UINT 16 Read Temperature Temperature in the control unit INT 16...
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Current rotor Only calculated if the speed UINT 16 Read speed reference value remains constant between two pulses on the rotation monitor. Displays 0 if no value is available. To ensure the correctness of the measured value the speed reference value should be...
INPUT REGISTER 32-bit register (Read). Modbus function 04 "Read Input Registries" is used for reading. Address Name Designation Data Read/ Factor Unit form Write Motor speed RPM Number of rotations UINT 32 Read Motor starts Number of motor starts UINT 32 Read Restarts Number of faults causing restarts UINT 32 Read Surge...
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Stop time, Time with stopped motor, UINT 32 Read normal temp. 0-40 °C Stop time, Time with stopped motor, UINT 32 Read cold temp. below 0 °C Running time, Time with motor running, in UINT 32 Read...
HOLDING REGISTER 16-bit register (Read/Write). Modbus function 03 "Read Holding Registries" is used for Reading. Modbus function 06 "Write” Singles Registries" is used for Writing. Address Name Designation Data Read/ Factor Unit form Write Reference value, 1000 = 100 % of set max rpm UINT 16 Read/ relative speed speed.
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IBC control AB Brännerigatan 5 A SE-263 37 Höganäs Sweden Tel. +46 42 33 00 10 www.ibccontrol.se info@ibccontrol.se...
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MANUAL Ska vara 25 mm i diameter på höjden CONTROL UNIT FOR ROTATING HEAT EXCHANGER WITH MODBUS VariMax100M UL/CSA Article no. F21100304 control...
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TABLE OF CONTENTS Installation instructions Modbus Mounting Technical data, Modbus Safety instructions Connection Manufacturer's declaration Function settings, Modbus Description of functions Operational indications, Modbus Technical data, control unit Timeout Technical data, motor DIP switch Functions Modbus Register Folder - DIP switch Coil - Operational indications Discrete input...
INSTALLATION INSTRUCTIONS Warning indication The control unit must only be used in perfect technical condition. Any damage that may affect safety must be dealt with immediately. Maintenance/Repairs The function of the control unit should be checked regularly. Troubleshooting and repairs must only be performed by trained personnel.
SAFETY INSTRUCTIONS The following symbols and references will be used in this description. These instructions are important; they apply to personal and technical safety during operation. This safety instruction refers to instructions whose specific intent is to avoid the risk of personal injury and to prevent damage to equipment.
MANUFACTURER'S DECLARATION Manufacturer IBC control AB Brännerigatan 5 A, SE-263 37 Höganäs, Sweden Product Control unit for rotating heat exchanger Type designation VariMax100M EU Directive The manufacturer's declaration of conformity with the requirements of the applicable to the EMC Directive 2004/108/EC. product All control units are approved according to the requirements of the EMC Directive 2004/108/EC and are tested according to standard...
DESCRIPTION OF FUNCTIONS • The VariMax100M is a control device with embedded Modbus communication. Technical data for Modbus can be found on page 13-26. The control function can also be used with a normal 0-10 V input signal. Refer to page 6-11. •...
TECHNICAL DATA, CONTROL UNIT External power supply 1x230-240 V +/-15 % Output frequency 0-333 Hz 50/60 Hz Acceleration and 30 sec Power input, max. 500 W retardation time Ambient temperature, Input current, max. 2,2 A -30 - +45 non condensing -40 - +45 C ***) External fuse, max.
DIP SWITCH Cleaning function Cleaning function connected in ON position. When the rotor has stopped for 10 minutes, the cleaning function is activated and the rotor starts to rotate. As a warning, the rotor first rotates for 6 seconds at a motor speed of 5 rpm, the rotor is then stationary for 3 seconds.
Continued from previous page Probable fault cause - Magnet turned the wrong way during installation - Magnet transmitter incorrectly connected (wrong polarity), refer to "connections" on page 9 - Gap too wide between the magnetic sensor and magnet; max 15 mm Probable fault cause in - Broken belt operation...
CONNECTION DIAGRAM (Max 2 A / 50 V AC) 11 12 14 15 A1 A2 9 10 Reset 1 x 230 V Alarm relay Manual Input Rotation Thermal Stepping motor 3-phase speed signal monitor contact 0 - 10 V CONNECTIONS The voltage must be switched off before undertaking any work on the equipment.
INPUT SIGNAL/ROTATION SPEED Rotation speed (%) Input signal - rotation speed The input signal is directly proportional to the efficacy of the rotor, which implies that input signal and rotation speed are as per the adjacent diagram. Input signal 0-10 V CHECKS BEFORE POWERING UP THE CONTROL UNIT Check that the control unit is connected as per instructions on page 9.
EMC INSTALLATION NCY-HAR/UL/CSA 7G0,75 Incoming EKK 3G1.5 Unshielded Shielded Input signal, LiYCY 2x0,34, UL recognized, LiYCY 2x0,34/0,5 UL recognized Shielded Shielded EMC glands must be used for shielded cables. The above cables or equivalent must be used to comply with the EMC Directive. EMC GLAND NOTE! When connecting the shielding to the EMC gland, it is important to connect as shown above.
FUNCTION SETTINGS, MODBUS Activation of Modbus communication and configuration of address, data transfer rate, parity and termination are achieved through a 9-pole DIP switch. On delivery of the unit all DIP switches are set to their OFF position. For setting and configuration of the DIP switches refer to the table on page 18. Modbus communication is activated through DIP switches.
Green LED Red LED DIP switch OPERATIONAL INDICATIONS, MODBUS Green LED Red LED Operating mode Troubleshooting Unlit Unlit Modbus turned off Unlit Lit with fixed No communication - Communication cable broken light or not connected. - No communication received from host system. Unlit Flashing Non-interpretable...
DISCRETE INPUT 1-bit status register (Read). Modbus function 02 "Read Input Status" is used for reading. Reads 1 if a fault has occurred. 0 = normal 1 = alarm Address Name Designation Data Read/ Factor Unit form Write Error Error regardless of which fault Single bit Read has occurred.
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Short circuit Short circuit Single bit Read Short circuit Imbalance between phases Single bit Read Short circuit Phase 1 missing Single bit Read Short circuit Phase 2 missing Single bit Read Short circuit Phase 3 missing...
INPUT REGISTER 16-bit register (Read). Modbus function 04 "Read Input Registries" is used for reading. Address Name Designation Data Read/ Factor Unit form Write Program version UINT 16 Read Program version UINT 16 Read VariMax model Reads 100 for VariMax100 etc. UINT 16 Read Temperature Temperature in the control unit INT 16...
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Current rotor Only calculated if the speed UINT 16 Read speed reference value remains constant between two pulses on the rotation monitor. Displays 0 if no value is available. To ensure the correctness of the measured value the speed reference value should be...
INPUT REGISTER 32-bit register (Read). Modbus function 04 "Read Input Registries" is used for reading. Address Name Designation Data Read/ Factor Unit form Write Motor speed RPM Number of rotations UINT 32 Read Motor starts Number of motor starts UINT 32 Read Restarts Number of faults causing restarts UINT 32 Read Surge...
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Continued from previous page Address Name Designation Data Read/ Factor Unit form Write Stop time, Time with stopped motor, UINT 32 Read normal temp. 0-40 °C Stop time, Time with stopped motor, UINT 32 Read cold temp. below 0 °C Running time, Time with motor running, in UINT 32 Read...
HOLDING REGISTRY 16-bit registry (Read/Write). Modbus function 03 "Read Holding Registries" is used for Reading. Modbus function 06 "Write Singles Registries" is used for Writing. Address Name Designation Data Read/ Factor Unit form Write Reference value, 1000 = 100 % of set max rpm UINT 16 Read/ relative speed speed.