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MCS
Maintenance Manual
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okuma MCS, MCSII Maintenance Manual

DRIVE UNIT
MOTION CONTROL SYSTEM (MCS) / (MCSII)
MAINTENANCE MANUAL
(7th Edition)
Pub No. 4184-E-R6 (SE34-006-R7) Apr. 2005
4184-E P-(i)

SAFETY PRECAUTIONS

SAFETY PRECAUTIONS
(1) Before connecting or disconnecting/removing a unit, shut off all power supplies and discharge parts in
units which have been charged. Otherwise, injury, or failure or burning of a unit may occur.
(2) Check the specifications of the power supply to be connected. Failure or burning of a unit may occur if
power supply voltage does not match the power requirements of the unit or if the polarity is incorrect.
(3) Connect inputs and outputs of a unit correctly. If they are connected incorrectly, failure or burning of a unit
may occur.
(4) Always ground units and connect the P.E. earth cable of the electric cabinet. Otherwise, electric shock
may cause if leakage occurs.
(5) Insert an over current protection device (breaker, fuse) to the power supply which is connected to units.
Otherwise, cables or units may be burnt or fire may be cause due to short circuit.
(6) When manufacturing cables used for connecting units, make sure that the size of cables matches the
carrying current. Especially, power cables must be manufactured carefully. If the current capacity of the cable is insufficient, the cable may be heated to be burnt or fire may be caused.
(7) The electric cabinet and the operation box where units are installed must be water-and dust-proof
construction. Otherwise, injury, or failure or burning of a unit may occur.
(8) Make sure to use a thermostat incorporated in motors and units to protect devices. Otherwise, devices
may be burnt or fire may be caused.
4184-E P-(ii)
SAFETY PRECAUTIONS
The following warning indications are used in this manual to draw special attention to information of particular importance.
DANGER
indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
CAUTION
indicates a potentially hazardous situation which, if not avoided, may result in damage to your property.
SAFETY INSTRUCTIONS
indicates general instructions for safe operation.
Keep this manual carefully so that you can read it whenever you need the information in this manual. The contents of the manual may be changed due to improvements of the product.
CONTENTS
MIV UNIT
MIP UNIT
4184-E P-(i)
CONTENTS
This book consists of several manuals and, therefore, it may contain specifications not selected for user’s machine.
Please confirm your specification by definite specifications or equivalent document.
4184-E P-(i)

TABLE OF CONTENTS

MIV UNIT
SECTION 1 INVERTER UNIT (MIV UNIT) ..................................................................1
1. System Configuration .............................................................................................................. 1
2. Classification of MIV Units ....................................................................................................... 2
2-1. Designation of MIV Units .................................................................................................. 2
2-2. Configuration of MIV Units................................................................................................ 3
2-3. Construction of MIV Units................................................................................................. 8
2-4. List of Applicable Motors ................................................................................................ 11
3. Cautions on Changing Units .................................................................................................. 15
3-1. General Precautions....................................................................................................... 15
3-2. Specific Examples of Unit Replacement......................................................................... 17
4. Indication of Operating Status ............................................................................................... 22
4-1. Arrangement of Status Indicating LED ........................................................................... 22
4-2. Contents of Indication..................................................................................................... 23
4-3. Error Number Tables ...................................................................................................... 26
5. Controller ID Number............................................................................................................. 41
6. Description of Waveform Monitor .......................................................................................... 44
6-1. MIV Unit for Feed Axes/Turrets/Machine Axes .............................................................. 44
6-2. MIV Unit for Spindle/M-tool Spindle/Sub Spindle ........................................................... 45
6-3. SWM Monitor Unit .......................................................................................................... 47
7. Connection............................................................................................................................. 52
7-1. System Connection ........................................................................................................ 52
7-2. Terminal Block Screw Size............................................................................................. 54
7-3. Connectors ..................................................................................................................... 54
8. MIV Unit External Dimensions ............................................................................................... 57
8-1. MIV Unit (1-axis Specification) for BL Motors ................................................................. 57
8-2. MIV Unit (2-axis Specification) for BL Motors ................................................................. 58
8-3. MIV Unit (1-axis Specification) for VAC Motors .............................................................. 58
SECTION 2 DC POWER SUPPLY UNIT (MPS, MPR UNIT) ....................................69
1. System Configuration ............................................................................................................ 69
2. Classification of DC Power Supply Units ............................................................................... 70
2-1. Designation of DC Power Supply Units .......................................................................... 70
2-2. Item Configuration of DC Power Supply Units................................................................ 71
2-3. Construction of Power Supply Units ............................................................................... 72
3. Cautions on Changing Units .................................................................................................. 74
4. Indication of Operating Status ............................................................................................... 76
4-1. Arrangement of Status Indicating LED ........................................................................... 76
4-2. Contents of Indication..................................................................................................... 77
4184-E P-(ii)
4-3. Error Number Tables ...................................................................................................... 78
5. Controller ID Number............................................................................................................. 80
6. Description of Monitor Terminals ........................................................................................... 81
6-1. Arrangement of Monitor Terminals ................................................................................. 81
6-2. Monitor Signals............................................................................................................... 82
7. Connection............................................................................................................................. 83
7-1. System Connection ........................................................................................................ 83
7-2. Terminal Block Screw Size............................................................................................. 83
7-3. Connectors ..................................................................................................................... 83
8. DC Power Supply Unit External Dimensions ......................................................................... 84
8-1. MPS Unit ........................................................................................................................ 84
8-2. MPR Unit ........................................................................................................................ 84
SECTION 3 APPENDIX 1. REPLACING EXTERNAL COOLING FAN......................88
1. Failure Diagnosis ................................................................................................................... 88
2. Part Numbers......................................................................................................................... 89
3. Replacement Procedure ........................................................................................................ 90
3-1. Procedure for Replacing MIV06 to MIV22 and MPS10 to MPS30 Fan .......................... 90
3-2. Procedure for Replacing MIV30, MIV45, MPS45 and MPS60 Fan ................................ 92
3-3. Procedure for Replacing the Fan of the MIV01A to the MIV0404A and the
MIV0105A to the MIV0505A ........................................................................................... 95
3-4. Replacing the Fans of the MIV06-1 and the MIV08A-1 .................................................. 98
3-5. Replacing the Fans of the MIV30A-3 and the MPS45A ................................................. 99
4. Cautions............................................................................................................................... 101
MIP UNIT
SECTION 1 MIP UNIT .............................................................................................102
SECTION 2 SYSTEM CONFIGURATION ...............................................................103
SECTION 3 MIP UNIT TYPES.................................................................................104
1. Unit Name Designation ........................................................................................................ 104
2. Configuration of MIP Units................................................................................................... 104
3. Construction of MIP Unit......................................................................................................105
4. Applicable Motors ................................................................................................................ 106
SECTION 4 CAUTIONS ON CHANGING UNITS ....................................................107
SECTION 5 OPERATION STATUS DISPLAY..........................................................108
1. Arrangement of Status Indicating LED ................................................................................ 108
4184-E P-(iii)
2. Indication of Operation Status (Inverter Control Side) ......................................................... 109
2-1. Indication of Normal Operation Status.......................................................................... 109
2-2. Indication of Alarm Status............................................................................................. 110
3. Error Number Table (Inverter Control Side)......................................................................... 111
3-1. Exception Error Number table ...................................................................................... 111
3-2. Alarm Number Table .................................................................................................... 113
3-3. Warning Number Table ................................................................................................ 123
4. Indication of Operation Status (DC Power Supply Control Side)......................................... 125
4-1. Indication of Normal Operation Status.......................................................................... 125
4-2. Indication of Alarm Status............................................................................................. 125
5. Error Number Table (DC Power Supply Control Side) ........................................................ 126
SECTION 6 MONITOR TERMINALS.......................................................................128
1. Arrangement of Monitor Terminals ...................................................................................... 128
2. Monitor Terminal Signals ..................................................................................................... 129
SECTION 7 CONNECTION .....................................................................................131
SECTION 8 EXTERNAL VIEW OF MIP UNITS.......................................................135
MIV UNIT
4184-E P-1

SECTION 1 INVERTER UNIT (MIV UNIT)

SECTION 1 INVERTER UNIT (MIV UNIT)
Okuma motion control system (MCS) consists of an inverter unit and a DC power supply unit. This section describes the maintenance and inspection methods for the inverter unit (to be referred to as MIV unit, hereafter).

1. System Configuration

MIV unit is an inverter unit that drives spindle motors and axis drive motors. Connection of MIV unit with peripheral is shown below.
• A DC power supply is connected to MIV unit to supply 300 VDC and 24 VDC (control power).
• MIV unit communicates with peripherals through the servo link, the encoder link, and the
converter link.
• MIV unit has a built-in control board specially used for motor control to control a spindle motor
and an axis drive motor.
• Two types of MIV unit are provided; one-axis specification which controls one motor and two-
axis specification which controls two motors.
• A DC power supply unit can be connected to more than one MIV unit.
SE34006R0700300020001

2. Classification of MIV Units

2-1. Designation of MIV Units

MIV unit names consist of codes indicating unit capacity, inverter control board type, motor type, and control ROM type as shown below.
4184-E P-2
SECTION 1 INVERTER UNIT (MIV UNIT)
MIV unit type name is shown at the front of the unit either by seal or printed characters.
MIV08A-1-B5
Unit type name
SR
ST
M
L
Unit type name
MIV0204A-1-B5
SR
ST
SE34006R0700300030001
SE34006R0700300030002
SECTION 1 INVERTER UNIT (MIV UNIT)

2-2. Configuration of MIV Units

An MIV unit comprises the unit items listed below.
2-2-1. 1-axis MIV units: Feed shaft, PLC-axis (BL motor/PREX motor)
Configuration of items of a unit set: [Control board + display card + inverter unit] For the items of which quantity is indicated as (1) in the table below, select one unit according to your motor capacity.
Category Name Qty. Unit item Description
ICB1-S (1) A006-2101 BL motor 1-axis control board (discontinued)
ICB1S-P (1) A006-2107 PREX motor 1-axis control board
Control board
Display card MFP1 CARD 1 A006-2105 Card with status indicator
1st generation
inverter unit
(discontinued)
DBR unit
ICB1F-S (1) A006-2111 BL motor/PREX motor 1-axis control board
ICB1H-S (1) A006-2121 BL motor/PREX motor 1-axis control board *1
MIV01-1 (1) A006-2211 Inverter 1-axis unit: Applicable motor capacity
MIV02-1 (1) A006-2212 Inverter 1-axis unit: Applicable motor capacity
MIV03-1 (1) A006-2213 Inverter 1-axis unit: Applicable motor capacity
MIV04-1 (1) A006-2214 Inverter 1-axis unit: Applicable motor capacity
MIV05-1 (1) A006-2215 Inverter 1-axis unit: Applicable motor capacity
MIV06-1 (1) A006-2218 Inverter 1-axis unit: Applicable motor capacity
MIV08-1 (1) A006-2219 Inverter 1-axis unit: Applicable motor capacity
MIV06DB-1 (1) A006-2265 Inverter 1-axis unit: Applicable motor capacity
MIV08DB-1 (1) A006-2266 Inverter 1-axis unit: Applicable motor capacity
MIV15-1 (1) A006-2220 Inverter 1-axis unit: Applicable motor capacity
MIV22-1 (1) A006-2221 Inverter 1-axis unit: Applicable motor capacity
DBR8 (1) A006-2246 Dynamic brake resistor unit used for MIV06-1
(discontinued)
(discontinued)
1.8 kW (2.4 hp)
2.8 kW (3.8 hp)
3 kW (4 hp)
4 kW (5.3 hp)
4.8 kW (6.4 hp)
6 kW (8 hp)
7.5 kW (10 hp)
6 kW (8 hp)
7.5 kW (10 hp)
15 kW (20 hp)
22 kW (30 hp)
and MIV08-1 (discontinued)
4184-E P-3
SECTION 1 INVERTER UNIT (MIV UNIT)
Category Name Qty. Unit item Description
MIV01A-1 PU (1) A006-2311 Inverter 1-axis unit: Applicable motor capacity
1.8 kW (2.4 hp)
MIV02A-1 PU (1) A006-2312 Inverter 1-axis unit: Applicable motor capacity
2.8 kW (3.8 hp)
MIV04A-1 PU (1) A006-2314 Inverter 1-axis unit: Applicable motor capacity
4 kW (5.3 hp)
MIV05A-1 PU (1) A006-2315 Inverter 1-axis unit: Applicable motor capacity
2nd generation
inverter unit
MIV06A-1 PU (1) A006-2318 Inverter 1-axis unit: Applicable motor capacity
MIV08A-1 PU (1) A006-2319 Inverter 1-axis unit: Applicable motor capacity
MIV15A-1 PU (1) A006-2320 Inverter 1-axis unit: Applicable motor capacity
MIV22A-1 PU (1) A006-2321 Inverter 1-axis unit: Applicable motor capacity
*1: The ICB1H-S is compatible with the ICB1-S, the ICB1S-P, and the ICB1F-S.
4.8 kW (6.4 hp)
6 kW (8 hp) (under development)
7.5 kW (10 hp)
15 kW (20 hp)
22 kW (30 hp)
4184-E P-4
SECTION 1 INVERTER UNIT (MIV UNIT)
2-2-2. 2-axis MIV units: Feed shaft, PLC-axis (BL motor/PREX motor)
Configuration of items of a unit set: [Control board + display card + inverter unit] For the items of which quantity is indicated as (1) in the table below, select one according to your motor capacity.
Category Name Qty. Unit item Description
ICB1 (1) A006-2100 BL motor 2-axis control board (discontinued)
Control board
Display card MFP1 CARD 1 A006-2105 Card with status indicator
1st generation
inverter unit
(discontinued)
ICB1F (1) A006-2110 BL motor/PREX motor 2-axis control board
(discontinued)
ICB1H (1) A006-2120 BL motor/PREX motor 2-axis control board *1
MIV0101-1 (1) A006-2224 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 1.8 kW (2.4 x 2.4 hp)
MIV0102-1 (1) A006-2225 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 2.8 kW (2.4 x 3.8 hp)
MIV0202-1 (1) A006-2226 Inverter 2-axis unit: Applicable motor capacity
2.8 kW x 2.8 kW (3.8 x 3.8 hp)
MIV0103-1 (1) A006-2227 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 4 kW (2.4 x 5.3 hp)
MIV0203-1 (1) A006-2228 Inverter 2-axis unit: Applicable motor capacity
2.8 kW x 4 kW (3.8 x 5.3 hp)
MIV0303-1 (1) A006-2229 Inverter 2-axis unit: Applicable motor capacity
4 kW x 4 kW (5.3 x 5.3 hp)
MIV0104-1 (1) A006-2230 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 4 kW (2.4 x 5.3 hp)
MIV0204-1 (1) A006-2231 Inverter 2-axis unit: Applicable motor capacity
2.8 kW x 4 kW (3.8 x 5.3 hp)
MIV0404-1 (1) A006-2232 Inverter 2-axis unit: Applicable motor capacity
4 kW x 4 kW (5.3 x 5.3 hp)
4184-E P-5
SECTION 1 INVERTER UNIT (MIV UNIT)
Category Name Qty. Unit item Description
MIV0101A-1 PU (1) A006-2324 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 1.8 kW (2.4 x 2.4 hp)
MIV0102A-1 PU (1) A006-2325 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 2.8 kW (2.4 x 3.8 hp)
MIV0202A-1 PU (1) A006-2326 Inverter 2-axis unit: Applicable motor capacity
2.8 kW x 2.8 kW (3.8 x 3.8 hp)
MIV0104A-1 PU (1) A006-2330 Inverter 2-axis unit: Applicable motor capacity
1.8 kW x 4 kW (2.4 x 5.3 hp)
MIV0204A-1 PU (1) A006-2331 Inverter 2-axis unit: Applicable motor capacity
2nd generation
inverter unit
MIV0404A-1 PU (1) A006-2332 Inverter 2-axis unit: Applicable motor capacity
MIV0105A-1 PU (1) A006-2333 Inverter 2-axis unit: Applicable motor capacity
MIV0205A-1 PU (1) A006-2334 Inverter 2-axis unit: Applicable motor capacity
MIV0405A-1 PU (1) A006-2335 Inverter 2-axis unit: Applicable motor capacity
MIV0505A-1 PU (1) A006-2336 Inverter 2-axis unit: Applicable motor capacity
2.8 kW x 4 kW (3.8 x 5.3 hp)
4 kW x 4 kW (5.3 x 5.3 hp)
1.8 kW x 4.8 kW (2.4 x 6.4 hp)
2.8 kW x 4.8 kW (3.8 x 6.4 hp)
4 kW x 4.8 kW (5.3 x 6.4 hp)
4.8 kW x 4.8 kW (6.4 x 6.4 hp)
4184-E P-6
*1: The ICB1H is compatible with the ICB1 and the ICB1F.
2-2-3. MIV units: For spindles (VAC motor)
Configuration of items of a unit set: [Control board + display card + inverter unit] For the items of which quantity is indicated as (1) in the table below, select one according to your motor capacity.
Category Name Qty. Unit item Description
ICB3 1 A006-2102 VAC motor control board (discontinued)
Control board
Display card MFP1 CARD 1 A006-2105 Card with status indicator
1st generation
inverter unit
2nd generation
inverter unit
ICB3F 1 A006-2112 VAC motor control board (discontinued)
ICB3H 1 A006-2122 VAC motor control board *1
MIV04-3 PU (1) A006-2254 Inverter unit: Applicable motor capacity 1.1 kW (1.5 hp)
MIV06-3 PU (1) A006-2256 Inverter unit: Applicable motor capacity 5.5 kW (7.5 hp)
MIV08-3 PU (1) A006-2257 Inverter unit: Applicable motor capacity 7.5 kW (10 hp)
MIV15-3 PU (1) A006-2258 Inverter unit: Applicable motor capacity 11 kW (15 hp)
MIV22-3 PU (1) A006-2259 Inverter unit: Applicable motor capacity 22 kW (30 hp)
MIV30-3 PU (1) A006-2260 Inverter unit: Applicable motor capacity 30 kW (40 hp)
(discontinued)
MIV45-3 PU (1) A006-2261 Inverter unit: Applicable motor capacity 45 kW (60 hp)
MIV30A-3 PU (1) A006-2360 Inverter unit: Applicable motor capacity 30 kW (40 hp)
*1: The ICB3H is compatible with the ICB3 and the ICB3F.
4184-E P-7
SECTION 1 INVERTER UNIT (MIV UNIT)
2-2-4. MIV units: Models with a general-purpose detector interface: Feed shaft, PLC-
axis (BL motor/PREX motor)
Configuration of items of a unit set: [Control board + display card + inverter unit] For the items of which quantity is indicated as (1) in the table below, select one according to your motor capacity.
Category Name Qty. Unit item Description
Control board
Display card MFP1 CARD 1 A006-2105 Card with status indicator
2nd generation
inverter unit
ICB1H-EPG 1 A006-2123 1-axis control board with a general-purpose
detector interface for feed shafts/PLC-axes
MIV01A-E PU (1) A006-2341 Inverter 1-axis unit: Applicable motor capacity
1.8 kW (2.4 hp)
MIV02A-E PU (1) A006-2342 Inverter 1-axis unit: Applicable motor capacity
2.8 kW (3.8 hp)
MIV04A-E PU (1) A006-2344 Inverter 1-axis unit: Applicable motor capacity
4 kW (5.3 hp)
MIV05A-E PU (1) A006-2345 Inverter 1-axis unit: Applicable motor capacity
4.8 kW (6.4 hp)
MIV06A-E PU (1) A006-2346 Inverter 1-axis unit: Applicable motor capacity
6 kW (8 hp)
MIV08A-E PU (1) A006-2347 Inverter 1-axis unit: Applicable motor capacity
7.5 kW (10 hp)
MIV15A-E PU (1) A006-2348 Inverter 1-axis unit: Applicable motor capacity
15 kW (20 hp)
MIV22A-E PU (1) A006-2349 Inverter 1-axis unit: Applicable motor capacity
22 kW (30 hp)
We are planning to register the inverter units as soon as they are completed. Before placing an order for any of the abovementioned unit items, confirm whether it is already registered.

2-3. Construction of MIV Units

Construction of MIV unit is shown below.
(1) Construction of MIV01 to MIV05-1 and MIV0101 to MIV0404-1
4184-E P-8
SECTION 1 INVERTER UNIT (MIV UNIT)
(2) Construction of MIV06-1, MIV08-1, MIV06DB-1, MIV08DB-1, MIV06-3, MIV08-3
SE34006R0700300090001
SE34006R0700300090002
SECTION 1 INVERTER UNIT (MIV UNIT)
(3) Construction of MIV01A-1 to MIV05A-1, MIV0101A-1 to 0505A-1, MIV04-3
External cooling fan
4184-E P-9
Power devices
Power board
(4) Construction of MIV06A-1 to MIV08A-1
Radiation fin
Unit case
Inverter control board
SE34006R0700300090003
Power device
Power board
External cooling fan
Radiation fin
External cooling fan (MIV08A-1 only)
Unit case
Inverter control board
SE34006R0700300090005
SECTION 1 INVERTER UNIT (MIV UNIT)
(5) Construction of MIV15A-1, MIV22A-1, MIV15-3, MIV22-3, MIV30A-3
DC bus terminal base (MIV30A-3 only)
Internal cooling fan
External cooling fan (MIV30A-3 only)
4184-E P-10
External cooling fan
Radiation fin
Power module
Power board
Inverter control board
(6) Construction of MIV30-3 and MIV45-3
Power board
SE34006R0700300090006
SE34006R0700300090007

2-4. List of Applicable Motors

2-4-1. List of applicable BL motors
For BL motor drive, 1-axis and 2-axis types are available. The table below shows the standard combinations oft BL motor and MIV unit models. (These combinations may be changed depending on the machine specifications.)
(1) Max. torque/Rated torque = 300%
Motor rated
Motor model
BL-MC24J-30 0.75 (1)
BL-MC25J-30 0.75 (1)
BL-MC50J-20 1 (1.3)
BL-MC100J-12 1.2 (1.6)
BL-MC50J-30 1.5 (2)
BL-MC75J-20 1.5 (2)
BL-MC150J-12 1.8 (2.4)
BL-MC95J-20 2 (2.7)
BL-MC100J-20 2 (2.7)
BL-MC75J-30 2.2 (3)
BL-MC200J-12 2.4 (3.2)
BL-MC140J-20 2.8 (3.7)
BL-MC95J-30 3 (4)
BL-MC100J-30 3 (4)
BL-MC150J-20 3 (4)
BL-MC300J-12 3.6 (4.8)
BL-MC190J-20 4 (5.3)
BL-MC200J-20 4 (5.3)
BL-MC140J-30 4.2 (5.6)
BL-MC400J-12 4.8 (6.4)
BL-MC300J-20 6 (8)
BL-MC400J-15 6 (8)
output
kW (hp)
SECTION 1 INVERTER UNIT (MIV UNIT)
MIV unit
1-axis type 2-axis type *2
MIV0101-1 (L/M) MIV0102-1 (L) MIV0103-1 (L)
MIV01-1
MIV01A-1
MIV02-1
MIV02A-1
MIV03-1
MIV04A-1
MIV04-1
MIV04A-1
MIV05-1
MIV05A-1
MIV06DB-1
MIV06A-1
MIV05A-1 *1
MIV0104-1 (L) MIV0101A-1 (L/M) MIV0102A-1 (L) MIV0104A-1 (L) MIV0105A-1 (L)
MIV0102-1 (M) MIV0202-1 (L/M) MIV0203-1 (L) MIV0204-1 (L) MIV0102A-1 (M) MIV0202A-1 (L/M) MIV0204A-1 (L) MIV0205A-1 (L)
MIV0103-1 (M) MIV0203-1 (M) MIV0303-1 (L/M) MIV0404-1 (L) MIV0104A-1 (M) MIV0204A-1 (M) MIV0404A-1 (L/M) MIV0405A-1 (L)
MIV0104-1 (M) MIV0204-1 (M) MIV0404-1 (L/M) MIV0104A-1 (M) MIV0204A-1 (M) MIV0404A-1 (L/M) MIV0405A-1 (L)
MIV0105A-1 (M) MIV0205A-1 (M) MIV0405A-1 (M) MIV0505A-1 (L/M)
MIV0105A-1 (M) *1 MIV0205A-1 (M) *1 MIV0405A-1 (M) *1 MIV0505A-1 (L/M) *1
4184-E P-11
4184-E P-12
SECTION 1 INVERTER UNIT (MIV UNIT)
Motor rated
Motor model
BL-MP400J-20 6.7 (9)
BL-MH700J-10 7 (9.3)
BL-MC500J-15 7.5 (10)
BL-MP300J-30 5.1 (6.8)
BL-MP400J-25 6.2 (8.3)
BL-MP500J-20 7.1 (9.5)
*1 Available when the carrier frequency is 5 kHz.
*2 2-axis type
The available axis names are shown in parentheses. MIV**** (L) : The L-axis of the unit is available. MIV**** (M) : The M-axis of the unit is available. MIV**** (L/M): Both the L- and M-axes are available.
output
kW (hp)
MIV unit
1-axis type 2-axis type *2
MIV08DB-1
MIV08A-1
MIV15-1
MIV15A-1
(2) Max. torque/Rated torque = 500%
Motor rated
Motor model
BL-MC24J-30 0.75 (1)
BL-MC25J-30 0.75 (1)
BL-MC50J-20 1 (1.3)
BL-MC100J-12 1.2 (1.6)
BL-MC50J-30 1.5 (2)
BL-MC75J-20 1.5 (2)
BL-MC150J-12 1.8 (2.4)
BL-MC95J-20 2 (2.7)
BL-MC100J-20 2 (2.7)
BL-MC75J-30 2.2 (3)
BL-MC200J-12 2.4 (3.2)
BL-MC140J-20 2.8 (3.7)
BL-MC95J-30 3 (4)
BL-MC100J-30 3 (4)
BL-MC150J-20 3 (4)
BL-MC300J-12 3.6 (4.8)
BL-MC190J-20 4 (5.3)
BL-MC200J-20 4 (5.3)
BL-MC140J-30 4.2 (5.6)
BL-MC400J-12 4.8 (6.4)
BL-MP400J-20 6.7 (9) MIV22-1
BL-MP300J-30 5.1 (6.8)
BL-MP400J-25 6.2 (8.3)
BL-MP500J-20 7.1 (9.5)
output
kW (hp)
1-axis type 2-axis type
MIV01-1
MIV01A-1
MIV02-1
MIV02A-1
MIV03-1
MIV04A-1
MIV05-1
MIV05A-1
MIV08DB-1
MIV08A-1
MIV22A-1
*MIV22-1
*MIV22A-1
4184-E P-13
SECTION 1 INVERTER UNIT (MIV UNIT)
MIV unit
MIV0101-1 (L/M) MIV0102-1 (L) MIV0103-1 (L) MIV0104-1 (L) MIV0101A-1 (L/M) MIV0102A-1 (L) MIV0104A-1 (L) MIV0105A-1 (L)
MIV0102-1 (M) MIV0202-1 (L/M) MIV0203-1 (L) MIV0204-1 (L) MIV0102A-1 (M) MIV0202A-1 (L/M) MIV0204A-1 (L) MIV0205A-1 (L)
MIV0103-1 (M) MIV0203-1 (M) MIV0303-1 (L/M) MIV0404-1 (L) MIV0104A-1 (M) MIV0204A-1 (M) MIV0404A-1 (L/M) MIV0405A-1 (L)
MIV0105A-1 (M) MIV0205A-1 (M) MIV0405A-1 (M) MIV0505A-1 (L/M)
* The max torque or rated torque is 430% for these combinations only.
2-4-2. List of applicable VAC motors
The table below shows the standard combinations of BL motor and the MIV unit models. (These combinations may be changed depending on the machine specifications.)
4184-E P-14
SECTION 1 INVERTER UNIT (MIV UNIT)
Motor rated output
kW (hp)
VAC 2.2 /1.1 (3/1.5) MIV04-3
VAC 3.7/2.2 (5/3)
VAC 7.5 /5.5 (10/7.5)
VAC 11 /7.5 (15/10) MIV08-3
VAC 15 /11 (20/15)
VAC 18.5 /15 (24.7/20)
VAC 22 /18.5 (30/24.7)
VAC 30 /22 (40/30)
VAC 37 /30 (50/40) MIV30-3
VAC 45 /37 (60/50)
VAC 55 /45 (75/60)
MIV unit
MIV06-3VAC 5.5 /3.7 (7.5/5)
MIV15-3
MIV22-3
MIV30A-3
MIV45-3

3. Cautions on Changing Units

3-1. General Precautions

The items that require special attention when changing MIV unit are indicated below.
WARNING
MIV unit has a large-capacitance capacitor in the unit. When changing MIV unit, shut off the power and wait until the charge indicating lamp goes off. (Wait for at least 2 minutes after shutting off the power.)
(1) It is necessary to set a controller ID number after changing MIV unit. Set the controller ID
number referring to 5 “Controller ID Number” in this manual or the circuit diagram after changing the MIV unit.
4184-E P-15
SECTION 1 INVERTER UNIT (MIV UNIT)
4184-E P-16
SECTION 1 INVERTER UNIT (MIV UNIT)
(2) Unit type of MIV units differs according to the unit capacity, the control board and the software
(ROM). When changing a unit, make sure to use the unit of the same type.
SE34006R0700300120001
WARNING
High voltage is applied to the upper and lower terminal blocks in the unit. Do not remove the plastic terminal block cover while the power is on.
(3) The procedure for removing the plastic cover at the upper and lower terminal blocks is indicated
below.
• Plastic cover at the upper terminal block
After pushing in the lock lightly, tilt the cover 10 deg. to the front and the cover can be taken out upward.
• Plastic cover at the lower terminal block
After pushing in the lock lightly, turn the cover 90 deg. then pull the cover to the front and the cover can be removed.
SECTION 1 INVERTER UNIT (MIV UNIT)

3-2. Specific Examples of Unit Replacement

Replacement of some unit models may also involve changing wiring. Specific examples of replacing such units are shown below.
3-2-1. Example of replacing an MIV unit with another MIV unit
(1) Replacing the MIV06-1, MIV08-1 or DBR8
If any of the 1006-2218 (MIV06-1), 1006-2219 (MIV08-1) or 1006-2246 (DBR8) is faulty, replace the unit according to the instructions shown in the table below.
Old unit name New unit name Replacement procedure
MIV06-1+DBR8 → MIV06DB-1 Remove the DBR8 (see Fig. 1).
MIV08-1+DBR8 → MIV08DB-1 Remove the DBR8 (see Fig. 1).
MIV06-1 *1 → MIV06DB-1 Follow the regular unit replacement procedure.
MIV08-1 *1 → MIV08DB-1 Follow the regular unit replacement procedure.
*1: The MIV06-1 and the MIV08-1 for PREX motors are not equipped with a DBR8.
CAUTION
4184-E P-17
Do not replace the MIV06DB-1 and the MIV08DB-1 with the units shown below. Malfunction will result. MIV06DB-1 → MIV06-1, MIV08DB-1 → MIV08-1
(2) Replacing the MIV14-3
Replace the MIV14-3 with the MIV15-3. This replacement work does not need the installation of software, such as servo data.
Old unit name New unit name
MIV14-3 → MIV15-3
(3) Replacing the MIV30-3
Replace the MIV30-3 with an MIV30-3 or MIV45-3. Replacement with an MIV45-3 does not need the installation of software, such as servo data.
Old unit name New unit name
MIV30-3 → MIV30-3
or
MIV45-3
Before replacement MIV06-1 + DBR8
To 24 V power supply inside the panel
4184-E P-18
SECTION 1 INVERTER UNIT (MIV UNIT)
Faulty!
After replacement MIV06DB-1 only
What must be removed and colleted in addition to the faulty MID-06-1: (1) DBR8 unit (2) Cable between the DBR8 terminal block and the MIV06-1 terminal block (3) Cable between the DBR8 connector [DBR] and the MIV06-1 connector [BRB] (4) Cable between the DBR8 connector [DC] and the terminal block of the control box
Note) Do not fail to connect the appropriate cable to this connector.
Fig. 1 Replacing the MIV06-1 +DBR8 with an MIV06DB-1
SE34006R0700300140001
3-2-2. Replacing an MIV unit with an MIV-A unit
(1) Changing unit setscrew
The plate thickness may differ between MIV unit and MIV-A unit at the sect6ion fixed to the control panel. In this case, other setscrews are necessary. Refer to the Table 3-1 and prepare necessary setscrews.
Table 3-1 Control Panel Fixing Screw for MIV/MIV-A Unit
MIV Unit MIV-A Unit
Unit Name Recommended Screw Unit Name Recommended Screw
MIV01-1
MIV02-1 MIV02A-1
MIV03-1
MIV04-1
MIV05-1
MIV06DB-1 MIV06A-1
MIV08DB-1 MIV08A-1
MIV15-1 MIV15A-1
MIV22-1 MIV22A-1
MIV0101-1 MIV0101A-1
MIV0102-1 MIV0102A-1
MIV0202-1 MIV0202A-1
MIV0103-1 MIV0104A-1
MIV0203-1 MIV0204A-1
MIV0303-1 MIV0404A-1
MIV0104-1 MIV0104A-1
MIV0204-1 MIV0204A-1
MIV0404-1 MIV0404A-1
M4 × 8L: E8062-330-408 or M5 × 8L: E8062-330-508
Note: M4/M5 depends on the control panel.
4184-E P-19
SECTION 1 INVERTER UNIT (MIV UNIT)
MIV01A-1 M4 × 20L: E8062-330-420
or M5 × 20L: E8062-330-520
MIV04A-1
Note:
MIV05A-1
with AT
with AT
with AT
M4/M5 depends on the control panel.
Same as MIV unit
M4 × 20L: E8062-330-420 or M5 × 20L: E8062-330-520
Note: M4/M5 depends on the control panel.
(2) Replacing the unit with the one having an attachment plate
When MIV unit was switched to MIV-A unit, the unit width was cut short for some units. To provide compatibility, attachment steel plate is added. For the units listed in the table below, the width was changed. When these units are replaced, refer to Fig. 3-1.
Table 3-2 Units with Attachment Plate for Width Adjustment
Old unit name New unit name
MIV0104-1 MIV0104A-1 AT
MIV0204-1 MIV0204A-1 AT
MIV0404-1 MIV0404A-1 AT
4184-E P-20
SECTION 1 INVERTER UNIT (MIV UNIT)
SE34006R0700300150001
3-2-3. Replacing Motor Brake Cables
The specifications of motor brake cables have been changed in response to the replacement of an MIV unit with an MIV-A unit. Follow Fig. 3-2 to replace an MIV unit equipped with motor brake cables with an MIV-A unit.
4184-E P-21
SECTION 1 INVERTER UNIT (MIV UNIT)
SE34006R0700300160001

4. Indication of Operating Status

MIV unit shows the operating status at the 7-segment LED provided at the front of the unit. Two display modes (normal operation status display mode and alarm status display mode) are provided and at the occurrence of an alarm, the 7-segment LED displays an error number so that the cause of the alarm can be assumed.

4-1. Arrangement of Status Indicating LED

4184-E P-22
SECTION 1 INVERTER UNIT (MIV UNIT)
SE34006R0700300180001
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