Festo CMMT-AS-C25-11A-P3-MP-S3 – Servo Drive | 25A | Murali Pneumatics Coimbatore

Festo CMMT-AS-C25-11A-P3-MP-S3 Servo Drive for Advanced Motion Control

The Festo CMMT-AS-C25-11A-P3-MP-S3 is a CMMT-AS series servo drive designed for high-performance electric automation applications where accurate positioning, reliable fieldbus communication, and integrated safety functions are important. With 25 A nominal current per phase, 3-phase AC supply capability, and support for multiple industrial Ethernet protocols, this drive is suitable for modern machine builders and plant automation teams. For Coimbatore-based industries working with packaging machinery, textile automation, CNC systems, process handling, and servo-based positioning equipment, this model gives a strong combination of power, communication flexibility, and safety-certified operation. Murali Pneumatics supplies genuine Festo servo drives with application support for correct selection and integration.

Key Features

• CMMT-AS servo drive platform — suitable for dynamic servo motor control in positioning and synchronized motion applications.
• 25 A nominal current per phase — supports demanding servo applications requiring higher continuous drive output.
• 75 A peak current per phase — provides short-duration peak output for acceleration-heavy machine cycles.
• 3-phase 400 V AC nominal supply — designed for industrial electrical panels and machine automation systems.
• Multi-protocol fieldbus support — supports EtherCAT, EtherNet/IP, Modbus/TCP, PROFINET IRT, and PROFINET RT for flexible controller integration.
• Integrated safety functions — includes STO, SBC, SLS, SOS, SS1, SS2, and SMS for safety-related machine control.
• Built-in mains filter — helps simplify panel design by reducing the need for separate filtering in suitable installations.
• Integrated braking resistor — includes a 24 Ohm internal brake resistor for braking energy handling within specified limits.
• Encoder interface flexibility — supports BiSS-C, EnDat, Hiperface, incremental, Nikon, and SIN/COS encoder systems.
• IP20 protection class — intended for protected installation inside an electrical control cabinet.

Technical Specifications

Parameter	Value
Festo Part Number	8166887
Model	CMMT-AS-C25-11A-P3-MP-S3
Series	CMMT-AS
Product Category	Servo Drive
Type of Mounting	Mounting plate, attached with screws
Mounting Position	Open convection, vertical
Product Weight	4300 g
Display	Green/yellow/red LED
Operator Controls	Optional: Operator unit CDSB
Conforms to Standard	EN 61800-3, EN 61800-5-1, EN 61800-5-2, EN ISO 13849-1
Based on Standard	EN 60204-1, EN 61508-1, EN 61508-2, EN 61508-3, EN 61508-4, EN 61508-5, EN 61508-6, EN 61508-7, EN 61800-2, EN 62061
Approval	RCM, German Technical Control Board TÜV, c UL us - Listed (Oil), KC mark, KC-EMV, CE mark, UKCA marking
Directive Compliance	EU EMC Directive, EC Machinery Directive, EU RoHS Directive, UK regulations for machines, UK RoHS instructions
Certificate Issuing Authority	German Technical Control Board TÜV Rheinland 01/205/6032.00/25, UL E331130
Storage Temperature	-25 °C ... 55 °C
Ambient Temperature	0 °C ... 50 °C
Note on Ambient Temperature	Power must be reduced by 3% per °C at ambient temperatures above 40 °C
UL Ambient Temperature	0 °C ... 50 °C
Relative Air Humidity	5 - 90%, non-condensing
Max. Installation Height	2000 m
Note on Max. Installation Height	From 1000 m: power reduction by 1% per 100 m
Degree of Protection	IP20
Protection Class	I
Overvoltage Category	III
Pollution Degree	2
Immunity to Surge	6 kV
Note on Materials	RoHS compliant
LABS / PWIS Conformity	VDMA24364 zone III
Phases of Nominal Operating Voltage	3 Phase ~
Nominal Operating Voltage AC	400 V
Permissible Voltage Fluctuations	+/-10%
Input Voltage Range AC	200 V ... 480 V
Mains Frequency	48 Hz ... 62 Hz
Nominal Current, Load Supply	29 A
Peak Current Load Power Supply	87 A
Active PFC	No
Mains Filter	Built in
System Voltage to EN 61800-5-1	300 V
Max. Short Circuit Current Rating of the Mains	10 kA
Mains Types	PN, IT
Nominal Voltage Load Voltage DC	560 V
Permissible Range for Load Power Supply	±10%
Max. Intermediate Circuit Voltage DC	800 V
Brake Resistor, Integrated	24 Ohm
Pulse Power, Brake Resistance	24 kVA
Pulse Energy for Braking Resistor	1200 Ws
Nominal Power Braking Resistor IEC	100 W
Brake Resistor, External	20 Ohm ... 30 Ohm
Max. Continuous Output of External Braking Resistor IEC	5000 W
Nominal Voltage for Logic Power Supply DC	24 V
Permissible Range for Logic Voltage	±20%
Current Consumption of Logic Power Supply Without Clamping Brake	0.7 A
Current Consumption for Logic Supply With Parking Brake	3 A
Max. Current Consumption, Logic Power Supply With Clamping Brake and I/O	3.5 A
Output Voltage Class AC	3x (0 – input) V
Nominal Current Per Phase, Effective	25 A
Peak Current Per Phase, Effective	75 A
Max. Peak Current Duration	2 s
Controller Nominal Output	12000 VA
Maximum Output	36000 VA
Output Frequency	0 Hz ... 599 Hz
Max. Length of Motor Cable Without External Mains Filter	50 m
Max. Output Current of Holding Brake	2.3 A
Max. Voltage Drop from Logic Supply to Brake Output	1 V
Number of Inputs for Motor Temperature Sensor	1
Controller Operating Mode	Cascade controller, P position controller, PI speed controller, PI current controller for F or M, profile operation with record and direct mode, interpolated mode via fieldbus, synchronised operating modes, homing, setting-up, autotuning
Operating Mode	Field-oriented closed-loop control, position resolution 24 bit/rev., sampling rate 16 kHz, PWM with 8 or 16 kHz, vector modulation with 3rd harmonic, real-time data acquisition
Real-Time Data Acquisition	2x input capture, 2x output trigger, 2x position encoder input, 1x SYNC interface for encoder emulation or encoder input
Ethernet Interface Function	Parameterisation and commissioning
Ethernet Interface Protocol	TCP/IP
Field Bus Protocol	EtherCAT, EtherNet/IP, Modbus/TCP, PROFINET IRT, PROFINET RT
Fieldbus Interface Function	Bus connection incoming/outgoing, EtherCAT slave, PROFINET slave, EtherNet/IP slave
Fieldbus Link	EtherCAT, EtherNet/IP, Modbus/TCP, PROFINET
Communication Profile	CiA402, CoE, EoE, FoE, PROFIdrive, DriveProfile
Secure Communication Profile	PROFIsafe
Process Interfacing	AC1, AC3, AC4, adjustable-speed drives, drives with positioning function, I/O mode for 256 positioning records, interpolated mode CSP, CST, CSV
Field Bus Interface Transmission Rate	100 Mbit/s
Field Bus Connection Type	2x socket
Field Bus Connection System	RJ45
Encoder Interface Function	BiSS-C, EnDat 2.1, EnDat 2.2-sensor, Hiperface, incremental encoder, Nikon, SIN/COS encoder
Encoder Interface 2 Function	Incremental encoder, SIN/COS encoder
Synchronisation Interface Function	Encoder emulation A/B/Z, encoder input A/B/Z
Encoder Interface Output Features	1 MHz maximum output frequency, max. 16384 ppr
Encoder Interface Input Features	1 MHz maximum output frequency, max. 16384 ppr
Number of Digital Logic Inputs	12
Switching Logic for Inputs	PNP positive switching
Features of Logic Input	Freely configurable in some cases, safety inputs in some cases, not galvanically isolated
Specification Logic Input	Based on IEC 61131-2, type 3
Working Range of Logic Input	-3 V ... 30 V
Number of High-Speed Logic Inputs	2
Time Resolution of High-Speed Logic Inputs	1 µs
Number of Digital Logic Outputs 24 V DC	6
Switching Logic for Outputs	PNP positive switching
Features of Digital Logic Outputs	Freely configurable in some cases, not galvanically isolated, partial diagnostic outputs
Max. Current Digital Logic Outputs	20 mA
Number of High-Speed Switching Outputs	2
Time Resolution of High-Speed Switching Outputs	1 µs
Number of Floating Switching Outputs	1
Max. Current of Floating Switching Outputs	50 mA
Number of Analogue Setpoint Inputs	1
Features of Setpoint Inputs	Differential inputs, configurable for speed, configurable for current/force
Working Range Setpoint Input	±10 V
Working Range of Analogue Inputs	±10 V
Impedance of Setpoint Input	70 kOhm
Safety Function	Safe brake control, safe torque off, safely limited speed, safe operating stop, safe stop 1, safe stop 2, safe maximum speed
Safety Sub-Functions up to SIL3	Safe torque off, safe stop 1 ramp monitored, safe stop 1 time controlled, safe stop 2 ramp monitored, safe stop 2 time controlled, safe operating stop, safely limited rotational speed/speed, safe brake control, safe maximum speed
Performance Level	SBC category 3 PL e, STO category 4 PL e
Safety Sub-Function up to PL e, Cat. 3	Safely limited rotational speed/speed, safe operating stop, safe stop 1 ramp monitored, safe stop 2 ramp monitored, safe stop 2 time controlled, safe maximum speed
Safety Sub-Function up to PL e, Cat. 4	Safe brake control, safe stop 1 with time control, safe torque off
Hardware Fault Tolerance	1
Number of Safe 2-Pin Inputs	4
Number of Diagnostic Outputs	4

Common Applications

• Servo-driven filling, sealing, indexing, and cutting systems in food and packaging machinery.
• Positioning axes in textile machinery, including automated handling, winding, and material transfer equipment.
• CNC machine tool automation where accurate servo positioning and fieldbus communication are required.
• Mining and metals handling systems using controlled motion for feed, transfer, and positioning operations.
• Plastic injection moulding auxiliary automation, pick-and-place units, and synchronized handling axes.
• Automotive assembly and testing machines requiring safe torque off, safe stop, and controlled servo motion.

Why Buy from Murali Pneumatics?

• Authorized Festo Channel Partner in Coimbatore since 1991.
• 100% genuine Festo products with full Festo warranty and proper product traceability.
• Ready stock support for popular Festo pneumatic and automation products at our Coimbatore store.
• Expert technical support for servo drive selection, replacement, and compatible accessory planning — call +91 98422 47546.

Compatible Accessories

• Compatible Festo servo motors selected according to torque, speed, encoder, and application duty cycle.
• Motor cables and encoder cables suitable for the selected servo motor and panel layout.
• External braking resistor where braking energy exceeds the internal resistor capacity.
• 24 V DC logic power supply and suitable control cabinet protection devices.
• RJ45 fieldbus cables for EtherCAT, EtherNet/IP, Modbus/TCP, or PROFINET communication.
• Optional operator unit CDSB for local operation and parameter handling where required.
• Panel mounting hardware, earthing accessories, ferrules, and cable management components.
• All accessories available from stock. Ask us to bundle your complete assembly.