REXROTH HMS02.1N-W0028-A-07-NNNN Servo Power Module

Serie: IndraDrive M HMS02 Modular Single-axis Servo Power Module (Power section only, without control card)

Comanda nr.: R911309078

✅ Full Model Code Explanation

HMS02.1N-W0028-A-07-NNNN

Domeniu	Descriere
HMS	Hardware Modular Single, modular single-axis power unit
2	HMS02 low-power series
0.1	Revizia hardware 1
N	No built-in rectifier, common DC bus power supply. HAS power supply module is mandatory
W	W = Built-in fan forced air cooling; F = Liquid cooling
28	Peak output current 28 O
O	Voltage class code, 700 V DC bus level
7	Comunicare: Autobuz EtherCAT
NNNN	No optional accessories, versiune standard

Important note: HMS is only a power module. CSB/CSH control card must be installed for operation. It cannot be directly connected to 380 V mains. DC bus voltage is supplied by HAS active power supply module.

📌 Key Electrical Specifications

Peak current: 28 O; Continuous output current approx. 25 O

Puterea motorului egală: aproximativ. 11 kW servo motor

DC bus range: 540~~750 VDC (Generated by HAS power unit, 380~~480 VAC 3-phase input)

Răcire: Built-in fan forced air cooling

Clasa de protectie: IP20 (Cabinet mounting)

Control modes: Poziţie / Viteză / Torque closed-loop; supports synchronous and asynchronous motors

Fieldbus: EtherCAT

Siguranţă: STO Safe Torque Off, SIL2

Operating ambient: 0~~40°C (inside cabinet); allowable range -10~~40°C

Montare: Cabinet DIN rail mounting. Multi-axis common DC bus with shared regenerative energy, obvious energy saving benefit

🧩 System Composition (Mandatory Components)

HAS Power Supply Module: HAS01.1 regenerative rectifier unit, connected to 380 VAC to generate DC bus
HMS02.1N-W0028: This power module (power stage)
CSB/CSH Control Card: Plugged into HMS slot for motion control, EtherCAT communication and encoder feedback
Servomotor: REXROTH IndraDyn MSK, MKD synchronous servo or 3rd-party servo motors
Cablu codificator, cablu de alimentare, braking resistor (după cum este necesar)

🛠️ Typical Applications

Multi-axis equipment: Mașini-unelte CNC, gantry trusses, linii de ambalare, lithium battery equipment, mașini auxiliare de turnare prin injecție, custom automation machines. Suitable for multi-axis synchronization; regenerative energy can be shared between axes to reduce braking heat.

⚠️ Troubleshooting & Note de întreținere

Fan is a wearing part. Dust accumulation in harsh environments causes fan stall and triggers F8xxx overheating alarms.
L+/LDC bus terminals carry high voltage. Wait for capacitor discharge after power-off.
Common causes of internal IGBT damage: Supratensiune magistrală DC, ground short circuit, motor insulation breakdown.
On-site repair of the module itself is generally not feasible. Replace the power unit directly when faulty; control card can be tested separately.
Second-hand module inspection focus: fan condition, IGBT insulation, DC bus capacitor capacity, terminal burn marks.

📎 Same-series & Alternative Comparison

HMS02.1N-W0054-A-07-NNNN: Vârf 54 O, aproximativ. 22 kW, same air-cooled series

HMS01: Higher power version with larger current ratings

HCS: Integrated single-axis drive (built-in rectifier, no HAS required for standalone single-axis applications)

Terminal Definition HMS02.1N-W0028-A-07-NNNN

HMS02 main body only has power terminals. Codificator, DI/DO and communication interfaces are all located on CSB control card.

Terminal	Nume	Descriere
X1	Module Bus Bus Terminal	L+ / L- DC bus, supplied from HAS power module; parallel connection for common bus among modules
X5	Motor Power Terminal	U / V / W / PE, connect to servo motor power cable
X6	Motor Temperature & Brake Terminal	MotTemp+, MotTemp- (Motor KTY/PTC temperature); Brake+24V, Brake0V (Motor holding brake)
X2 (CSB Card)	Service Port	RS232, PC IndraWorks commissioning
X10 (CSB Card)	Main Encoder Interface	Hiperface / EnDat, motor encoder
X31 (CSB Card)	Intrare digitală DI	24V, permite, STO, întrerupător de limită, emergency stop etc.
X32 (CSB Card)	Intrare analogică	±10V torque / speed reference
X22 (CSB Card)	Autobuz EtherCAT	IN/OUT, bus daisy chain

STO safety terminals are on CSB card, dual-channel Safe Torque Off, SIL2.

Coduri de eroare comune (HMS02 IndraDrive M)

Alarm Code	Descrierea defecțiunii	Depanare
F2010 / F2018	Module overheating	Fan stall, filter dust clogging, high cabinet temperature, damaged temperature sensor
F2025	Motor phase loss	Loose U/V/W terminals, broken power cable, înfășurarea motorului deteriorată
F2028	Braking resistor overload	Pornire-oprire frecventă / large inertia, insufficient braking resistor power rating
F2050	STO Safe Torque Off	External emergency stop / safety circuit open, normal safety activation
F2043 / F8022	Eroare de semnal al codificatorului	Encoder cable shielding, pin oxidation, deteriorarea codificatorului, interferențe electromagnetice
F8060	Power unit overcurrent	Motor earth fault, Defalcare IGBT, cable short circuit
F8064	Motor intermittent phase loss	Poor contact in power circuit
F8070	+24V power supply fault	Voltage drop on control card 24V supply
F8091	Power section hardware failure	IGBT, drive circuit damage, module hardware fault
F8118	Putere / firmware version mismatch	CSB firmware incompatible with HMS hardware
E2061	Overload warning	Sarcină grea, excessive acceleration; continuous operation triggers F8057 overload shutdown
E2076	Encoder signal interference warning	Poor shielding; will develop into F2043 if not rectified

Domestic Alternative Solution (Common DC Bus Multi-axis, Replace IndraDrive M)

This model is common bus multi-axis power unit (EtherCAT) 11kW / 28A peak. Domestic solution requires complete set of power supply + power units.

Option A: Inovance IS890 Multi-axis Servo (Best matching alternative)

Power supply unit: IS890-PS5R5I (Regenerative rectifier)

Power unit: IS890-M11T028 (11kW, peak 28A, EtherCAT)

Matching features: Common DC bus, regenerative energy, STO safety, Autobuz EtherCAT, multi-axis synchronization; supports Hiperface/EnDat encoder

Diferențele: Installation dimension, cable connector, commissioning software platform; motor parameters need re-identification

Option B: Estun E3 Common DC Bus Multi-axis

Modular power supply + power unit, EtherCAT, STO; suitable for machine tool and packaging multi-axis applications

Avantaj: Local after-sales support; limitation: compatibility with high-end encoders is slightly weaker

Option C: Invt SV680 Multi-axis Servo

Common bus regeneration, EtherCAT, rentabil; suitable for general automation lines, not recommended for high-precision machine tools

Standalone non-common-bus alternatives: Inovance IS650, Estun ProNet. Architecture differs from HMS+HAS modular system, cannot directly replace existing common bus cabinet.

Cod HS & Customs Declaration Information

Commodity Name: Servo Drive (Power Unit, without Control Board)

Classification note: HMS02 is power stage only, classified as servo drive assembly. Complete servo drive with control card uses different classification.

Cod HS: 8501400090 (Motor controller / servo drive unit, primary option)

Alternativă: 8504409990 (Static converter, selected by some customs brokers)

⚠️ Customs Declaration Suggestions:

Declaration elements: Brand BOSCH REXROTH; Model HMS02.1N-W0028-A-07-NNNN; Aplicație: Servo motor drive for automation equipment; Principiu: DC bus inversion; Voltaj: DC540~750V
If declaring full set (HAS power + HMS power unit + CSB control card together), declare as complete servo drive system, prefer HS 8501400090
Used import: Customs requires used mechanical and electrical product filing; power units fall under used electromechanical supervision scope.

REXROTH IndraDrive M HMS02 Full Fault Code List (F Fault, E Warning, Reset Methods)

F = Fault, drive torque disabled; E = Warning, drive remains operational; A/C = Status message, not alarms

Applicable to HMS02.1N-W0028-A-07-NNNN paired with CSB control card and HAS power module

Cod	Nume	Cauza de bază	Depanare
F2010	Power Unit Overheating Fault	Heatsink temperature exceeds threshold; fan seized, dust buildup; poor cabinet ventilation; ambientală >40°C; faulty temperature sensor	1. Power off and wait for discharge, clean heatsink dust; 2. Check rotation of built-in module fan; 3. Verify cabinet air conditioning / ventilator; 4. Measure built-in module temperature sensor; 5. Reduce continuous load
F2018	Overheat Shutdown (Heatsink Overtemp)	Deteriorated overheat pre-warning triggers hard shutdown	Same as F2010; E2018 is overheat pre-warning, continuous operation will directly trigger F2018 shutdown
F2025	Motor Phase Loss	Loose/broken U/V/W motor power cable, oxidized connector; open motor winding; poor contact at X5 terminals	1. Opriți, measure 3-phase winding resistance, values shall be balanced; 2. Inspect X5 power connector; 3. Disconnect motor cable and test cable continuity separately; 4. Check PE earthing
F2028	Braking Resistor Overload	Frequent emergency stop, large inertia deceleration; undersized braking resistor resistance/power rating; excessive regenerative bus energy	1. Monitor DC bus voltage waveform; 2. Measure actual braking resistor resistance, check burnout; 3. Increase deceleration time; 4. Replace higher power braking resistor; for multi-axis common bus, check HAS regenerative unit first
F2050	STO Safe Torque Off	Safety circuit activated: oprire de urgență, safety gate, safety relay contact open; inconsistent dual STO signals; cabluri libere	✅ This is normal safety function trigger, NOT hardware damage
F2050	STO Safe Torque Off		1. Check dual STO DI signals; 2. Verify emergency stop and safety gate circuit; 3. Reset fault after safety circuit recovery
F2043	Encoder Signal Fault	Hiperface/EnDat encoder signal loss, abnormal amplitude; damaged cable shield, sârmă ruptă; ace oxidate; interference	1. Power off and re-seat encoder connector; 2. Check single-point earthing of shield; 3. Test with replacement encoder cable; 4. Motor encoder hardware failure; 5. Damaged encoder port on CSB card
F8022	Encoder Hardware Detection Error	Encoder communication CRC error, fluctuația semnalului, EMI interference, encoder power supply dip	Same as F2043; prioritize shielding check, separate routing for power cable and encoder cable
F8060	Power Unit Hardware Overcurrent	Motor phase-to-earth / phase-to-phase short circuit; Defalcare IGBT; mechanical seizure; brake engaged during operation	⚠️ High-risk fault, DO NOT repeatedly power on for test
F8060	Power Unit Hardware Overcurrent		1. Disconnect motor cable, power on alone to verify if module still overcurrent; 2. Test motor insulation with 500V megger; 3. Manually rotate motor shaft to confirm no mechanical jamming; 4. Replace HMS power unit if IGBT damaged
F8064	Intermittent Motor Phase Loss	Dynamic phase loss during operation, mostly loose terminals under vibration, intermittent open circuit	Focus inspection on X5 power connector, poor contact under vibration; check fault history for random alarms during start/stop
F8070	Control 24V Power Supply Fault	Căderea de tensiune / excessive ripple on external 24V supply for CSB card; insufficient 24V power capacity; line voltage drop	1. Measure 24V at CSB X31 terminal, loaded voltage ≥22V; 2. Check 24V wire gauge; 3. Inspect aging 24V power supply
F8091	Fatal Power Unit Hardware Fault	Damage to power board, IGBT drive circuit; DC bus capacitor breakdown; internal module hardware damage	Measure IGBT statically after power-off. This fault is generally non-repairable, replace HMS power unit directly
F8118	Firmware Hardware Version Mismatch	CSB control card firmware incompatible with HMS power unit hardware; firmware mismatch after module / control card replacement	1. Read firmware and hardware version via IndraWorks; 2. Upgrade CSB firmware to matching revision; 3. Confirm CSB card model compatibility with HMS02
E2061	Drive Overload Warning	Sarcină grea continuă, thermal model close to threshold; excessive acceleration; increased mechanical resistance (bearing / guideway seizure)	Drive remains running; sustained operation triggers F8057 overload shutdown
E2061	Drive Overload Warning		1. Monitor current curve; 2. Check mechanical resistance; 3. Reduce acceleration; 4. Verify servo sizing margin
E2076	Encoder Signal Interference Warning	Noise present on encoder signal, amplitude still acceptable, no hard fault triggered; ecranare slabă, cable routing interference	Rectify in advance to avoid random F2043 alarms; separate trunking for encoder and power cables, reliable shield earthing

🔧 Additional Frequently Encountered Faults

Cod	Nume	Depanare
F2026	Subtensiune DC Bus	HAS power module failure; 3-phase input phase loss; loose bus terminals; bus voltage pulled down by sudden heavy load
F2027	Supratensiune DC Bus	Excessive regenerative energy during deceleration; open braking resistor; HAS regeneration failure; grid surge
F2019	Motor Overtemperature Shutdown	Broken motor KTY/PTC temperature wire; overheated motor winding; loose X6 temperature wiring

✅ 4 Fault Reset Methods (IndraDrive M)

IndraWorks Software Reset: Connect PC RS232 to CSB card, go to Diagnostics→Error history and click Reset (Recomandat, preserves fault log)
Digital Input DI Reset: Configure DI terminal as fault reset, rising edge trigger
EtherCAT Bus Reset: Set Bit7 of control word to 1, execute reset via PLC program
Full System Power Cycle: Power off ≥10 seconds, wait for full discharge of DC bus capacitors before power-on; prefer this method for F8xxx hardware faults

⚠️ Important Safety Reminders

After power-off of common DC bus system, high voltage charge remains on L+/Lbus capacitors. Așteaptă măcar 10 minutes before cabinet opening and measurement.
For F8060 overcurrent fault, DO NOT repeatedly power on for testing, secondary breakdown of healthy IGBTs may occur.
F2050 STO is safety function. Do NOT short STO circuit to suppress alarms, safety hazard exists.