STO - Safe Torque Off
Interruption of the power supply to the drive in accordance with EN 61800-5-2. This function ensures that the drive can no longer generate any power.
Serie ARS 2000 FS
Servoregler
3 x 230–480 V AC power supply
I/O communication
Incremental encoder input & output LED status indicator
Seven-segment status indicator Technology shaft for security modules
FSM 2.0 – STO
FSM 2.0 – MOV Fully enclosed,
EMC-optimized housing parameterization interfaces
USB 2.0 & LAN CANopen & RS232/RS485 interfaces technology shafts
PROFINET
EtherCAT
PROFIBUS
EA extension (EA88) SD card slot Motor connection, multi-encoder
& resolver interface
I/O communication
Incremental encoder input & output LED status indicator
Seven-segment status indicator Technology shaft for security modules
FSM 2.0 – STO
FSM 2.0 – MOV Fully enclosed,
EMC-optimized housing parameterization interfaces
USB 2.0 & LAN CANopen & RS232/RS485 interfaces technology shafts
PROFINET
EtherCAT
PROFIBUS
EA extension (EA88) SD card slot Motor connection, multi-encoder
& resolver interface
Modular & secure – The all-rounder
The ARS 2305 FS is a compact servo controller for control cabinet operation with integrated, expandable safety technology. A wide range of safety functions and fieldbus options can be flexibly added via modular technology modules. This allows the controller to be tailored precisely to the requirements of a wide variety of automation environments – for maximum safety and adaptability in a powerful solution.
USB and Ethernet
as a parameterization interface
Available fieldbus options
EtherCAT, PROFINET, PROFIBUS, CANopen
Universal rotary encoder evaluation
HIPERFACE®, HIPERFACE DSL®, EnDat 2.2, resolver, analog and digital incremental encoders, BISS, FA encoder, Nikon A format
Metronix ServoCommander
With the Metronix ServoCommander, drives can be easily parameterized and monitored on a PC.
Safety features
Integrated safety as standard
ARS 2000 FS servo controllers are equipped with modern safety functions such as STO and SS1 as standard. These functions ensure that safety-related requirements can be met directly in the drive – without the need for external safety modules or additional wiring. This not only increases machine safety, but also significantly reduces planning and installation costs. Users benefit from a reliable and economical safety concept.
SS1 - Safe Stop 1
The drive is braked autonomously to a standstill within a defined time using a defined braking ramp, after which the power supply is safely switched off. SS1, type C is supported.
SOS - Safe Operating Stop
This safety function is used when the motor position or axis position must be actively maintained and safely monitored.
SS2 - Safe Stop 2
The drive is braked to a standstill independently within a defined time using a defined braking ramp. After the defined time has elapsed, SOS (safe operating stop) is triggered. All three variants described in the standard are supported.
SLS - Safely Limited Speed
This safety feature prevents the motor from exceeding a specified speed limit.
SSR - Safe Speed Range
The SSR safety function is used when the speed of the drive must be maintained within a specified range.
SBC - Safe Brake Control
The SBC function provides a safe output signal to control external motor brakes. This prevents unwanted movement in the torque-free state. It is also possible to control an external holding brake with its own power electronics via safe outputs.
SSM - Safe Speed Monitor
The SSM function monitors the speed of the drive within specified limits. If these limits are exceeded or not reached, a safety-related signal output is triggered.
SDI - Safe Direction
The SDI safety function ensures that the drive can only move in the specified direction.
Technology features on board
Numerous integrated software functions make the ARS 2000 FS servo controllers true all-rounders in drive technology.
Not only do the ARS 2000 FS servo controllers directly support numerous motor types and all common position encoders, they can also be adapted extremely flexibly to a wide range of application tasks by simply parameterizing the integrated technology functions. The precise and highly accurate evaluation of external signals in the drive enables the shortest possible cycle times to be achieved.
Positioning
Whether linear, jerk-free, or torque-limited: with the built-in positioning control, any movement task can be easily realized.
Path program/chaining
All 256 position sets can be chained together to solve complex positioning tasks without control. Situation-dependent branching is also possible via digital inputs.
Flying saw
Integrating the flying saw into the drive not only enables short cycle times but also extremely high precision.
Electronic transmission/synchronization
The position- or speed-synchronous movement of multiple drives with variable transmission ratios can be quickly parameterized and made ready for use using the software wizard.
Linear motors
Special methods for determining the commutation position and corresponding monitoring functions enable linear motors to be operated without commutation information.
Rotary table
Several rotary axis modes are available for use in rotary table applications. These can be combined with both the cam disc and the electronic gearbox.
Switching cam
Phase triggers, rotor position triggers, and switching cams in conjunction with the cam disc can be easily parameterized and assigned to digital outputs.
Cam disc
The electronic cam disc can be used both with the integrated virtual master and in conjunction with synchronization to coordinate multiple drives.
Technical data
Compact at a glance
All relevant specifications of the ARS 2000 FS servo controller clearly summarized in a PDF: power range, supply voltage, interfaces, dimensions, and environmental conditions. For quick technical classification—and reliable integration into your system.
The most important specifications of the ARS 2305 FS:
- 3 x 230…480VAC three-phase servo controller
- Nominal output current: 5 A
- Max. output current for 5 s: 10 A
- Max. output current for 0.5 s: 20 A
Technical data | Download
Product brochure | Download
Connectivity options
Universal interface variety
CANopen
Always on board is the field-proven CANopen fieldbus system with the CiA 402 drive profile. With the operating modes Profile Torque Mode, Profile Velocity Mode, Profile Position Mode, Homing Mode, and Interpolated Position Mode, the servo controller can be used in a wide variety of applications. Several hundred parameters enable complete configuration of the servo controller via CANopen.
Ethernet
The integrated Ethernet interface can be used via a UDP/IP connection, for example, for remote maintenance or as a fieldbus connection. This allows the transmission of setpoints and actual values, error analysis, loading and saving of parameter sets, adjusting individual parameters, and displaying values using the oscilloscope function.
EtherCAT
All ARS 2000 FS devices feature the Ethernet-based EtherCAT fieldbus system. With the CoE (CANopen over EtherCAT) application protocol, all operating modes and parameters of CANopen can also be used under EtherCAT. In multi-axis applications, highly synchronized movements are achieved in the “Cyclic Synchronous Position” mode in combination with Distributed Clocks (DC), even at high cycle times, as the servo controllers synchronize precisely to the external clock.
PROFINET
The Ethernet-based PROFINET fieldbus system is also already fundamentally integrated. Based on PROFIdrive, the Metronix-specific application profile enables easy access to all functions of the servo controller. Ready-to-use function blocks and a sample project make integrating the smartServo into the control system a real breeze. The plain-text display of error messages in the control system also greatly simplifies initial commissioning, allowing the machine or system to be ready for operation more quickly.
Profibus
Profibus enables stable and fast real-time data transmission. With flexible topologies, systems of various sizes can be efficiently networked and monitored. Users continue to rely heavily on Profibus, as it allows the use of proven devices and infrastructures.
Encoder interfaces
EnDat 2.2
Heidenhain encoders with EnDat interface feature a serial communication channel through which the servo controller communicates with the encoder. All relevant information from the encoder’s electronic nameplate is read out via this channel, eliminating the need for manual parameterization. If the encoder used also has an EEPROM, motor information can be stored in the encoder, allowing the motor to be used directly with another servo controller. The ARS 2000 FS supports EnDat 2.2 encoders as both singleturn and multiturn versions.
HIPERFACE®
Just like Heidenhain encoders, HIPERFACE encoders feature a communication channel through which the servo controller communicates with the encoder. All relevant information is also read out from the encoder, and motor information can likewise be stored in the encoder. All common HIPERFACE singleturn and multiturn encoders are supported.
HIPERFACE DSL®
With the single-cable technology HIPERFACE DSL®, the encoder signal is transmitted digitally within the motor cable. This minimizes the number of connection lines required between the servo controller and the motor. Naturally, all features of the HIPERFACE encoders (electronic nameplate, data storage in the encoder) are also available with HIPERFACE DSL®.
Analog and digital incremental encoders
The universal encoder interface supports a wide variety of different encoders: both analog 1Vss signals and digital incremental signals, including reference track or zero pulse, are supported. For commutation, digital Hall signals can also be evaluated, and a fault signal input can additionally be connected. One of the encoder inputs can also be used as a pulse-direction input or forward/reverse counting input.
Resolver
Of course, the resolver is also supported by the ARS 2000 FS as a robust and cost-effective position sensor.
Safety modules
FSM 2.0 - STO
The FSM 2.0 – STO is an optional safety module for ARS 2000 FS servo controllers and implements the Safe Torque Off (STO) function. This function disconnects the drive power in a dual-channel manner, ensuring that no hazardous torque can occur. It meets safety requirements up to SIL 3 / PL e and is TÜV-certified.
FSM 2.0 - MOV
FSM 2.0 – MOV expands the ARS 2000 FS controllers with modular safety and monitoring functions in accordance with current standards. With functions such as STO, SS1, SS2, SOS, or SLS, it enables highly safe motion control up to SIL 3 / PL e. Thanks to its modular design, safety and fieldbus options can be flexibly combined — ensuring maximum safety with minimal integration effort.
Encoder modules
ARS 2000 FS HDSL
The ARS 2000 FS HDSL expands the proven ARS servo positioning controller series with seamless integration of the digital feedback system HIPERFACE DSL® (HDSL). Data transmission takes place directly via the motor cable – including encoder data and power supply – significantly reducing installation effort and system costs. In addition, the device maintains full compatibility with standard encoders such as EnDat or resolvers and enables the storage of important parameters such as pole pair count or current values directly in the encoder – for even more flexible commissioning and maintenance.
Fieldbus modules
EtherCAT & CANopen Interface
This module expands the servo controllers with powerful EtherCAT and CANopen connectivity (CAN over EtherCAT). It enables fast and secure integration into common automation networks, offering real-time capability, flexible parameterization, and extensive diagnostic functions. This makes it an ideal choice for modular machine designs and highly dynamic applications.
PROFIBUS Interface
The PROFIBUS module allows direct integration of the ARS 2000 FS servo controllers into existing PROFIBUS-DP networks. It supports common profiles, ensures stable communication with the PLC, and enables parameterization and diagnostics via standard tools. Users benefit from a robust and widely used fieldbus solution for industrial environments.
PROFINET Interface
The PROFINET module integrates ARS 2000 FS servo controllers into modern PROFINET networks and enables high-performance real-time communication. It offers full support for common engineering tools such as Siemens TIA Portal or S7, including function blocks for easy project planning. This makes integration especially efficient and future-proof.
Ethernet Interface
The Ethernet module expands the ARS 2000 FS series with a simple RJ45 Ethernet interface. Via UDP tunnels, devices can be conveniently commissioned, parameterized, and monitored – for example, using the ServoCommander. This makes the module ideal for flexible system architectures with direct Ethernet connectivity.
Customer benefits of the ARS 2000 FS servo controllers for automation technology
The ARS 2000 FS servo controllers are compact control cabinet devices designed for high-performance and precise applications with increased safety requirements.
Through modular, exchangeable technology modules, numerous safety functions – such as STO, SS1, SS2, SOS, or SLS – can be flexibly added. This allows safe operations to be precisely adapted to the respective machine or system architecture. At the same time, the modules provide a wide range of fieldbus interfaces, enabling optimal integration of the controller into various control environments.
The modular design combines maximum safety with maximum flexibility, making the ARS 2000 FS a future-proof solution for demanding automation tasks. With the intuitive ServoCommander parameterization software, commissioning is quick and diagnostics remain convenient at all times.
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