Functional extensions increase the flexibility of an AC drive by extending I/Os and by providing dedicated interfaces for a wide variety of feedback devices.
VLT® General Purpose I/O MCB 101
- Offers an extended number of control inputs and outputs
- 3 digital inputs 0–24 V: Logic ‘0’ < 5 V; Logic ‘1’ > 10V
- 2 analog inputs 0–10 V: Resolution 10 bit plus sign
- 2 digital outputs NPN/PNP push pull
- 1 analog output 0/4–20 mA
- Spring-loaded connection
VLT® Encoder Input MCB 102
- Offers the possibility to connect various types of incremental and absolute encoders. The connected encoder can be used for closed-loop speed control as well as closed-loop flux motor control
- The following encoder types are supported:
- 5V TTL (RS 422)
- 1VPP SinCos
- SSI
- Hiperface
- EnDat
VLT® Resolver Input MCB 103
- This option enables connection of a resolver to provide speed feedback from the motor
- Primary voltage......2–8 Vrms
- Primary frequency......2.0–15 kHz
- Primary current max......50 mA rms
- Secondary input voltage......4 Vrms
- Spring loaded connection
VLT® Relay Card MCB 105
- Makes it possible to extend relay functions with 3 additional relay outputs.
- Max switch rate at rated load/min. load......6 min–1/20 sec-1
- Protects control cable connection
- Spring-loaded control wire connection
- Max. terminal load:
- AC-1 Resistive load......240 V AC 2 A
- AC-15 Inductive load @cos phi 0.4......240 V AC 0.2 A
- DC-1 Resistive load......24 V DC 1 A
- DC-13 Inductive load @cos phi 0.4......24 V DC 0.1 A
- Min. terminal load:
- DC 5 V......10 mA
VLT® 24 V DC Supply MCB 107
- Connect an external DC supply to keep the control section and any installed option alive during power failure
- Enables full operation of the LCP (including the parameter setting) and all installed options without connection to mains
- Input voltage range......24 V DC +/- 15% (max. 37 V for 10 sec.)
- Max. input current......2.2 A
- Max. cable length......75 m
- Input capacitance load......< 10 µF
- Power-up delay......< 0.6 s
VLT® Safe PLC I/O MCB 108
- The VLT® AutomationDrive FC 302 provides a safety input based on a single pole 24 V DC input
- For the majority of applications this input enables the user to implement safety in a cost-effective way. For applications that work with more advanced products like Safety PLC and light curtains, the Safe PLC interface enables the connection of a two-wire safety link
- The Safe PLC Interface allows the Safe PLC to interrupt on the plus or the minus link without interfering the sense signal of the Safe PLC
VLT® Analog I/O MCB 109
- This analog input/output option is easily fitted in the frequency converter for upgrading to advanced performance and control using the additional I/O
- Upgrades the frequency converter with a battery back-up supply for the frequency converter built-in clock (that typically lasts for 10 years, depending on the environment). This provides stable use of all frequency converter clock functions as timed actions
- 3 analog inputs, each configurable as both voltage and temperature input
- Connection of 0–10 V analog signals as well as PT1000 and NI1000 temperature inputs
- 3 analog outputs each configurable as 0-10 V outputs
VLT® PTC Thermistor Card MCB 112
- Enables improved surveillance of the motor condition compared to the built-in ETR function and thermistor terminal
- Protects the motor from overheating
- ATEX-approved for use with Ex d and Ex e motors (EX e only FC 302)
- Uses Safe Stop function, which is approved in accordance with SIL 2 IEC 61508
VLT® Sensor Input MCB 114
- Protects the motor from being overheated by monitoring the temperature of bearings and windings in the motor
- Three self-detecting sensor inputs for 2 or 3 wire PT100/PT1000 sensors
- One additional analog input 4–20 mA
VLT® Real-time Clock MCB 117
- Facilitates failure analysis with advanced data-logging functionality
- Supports preventive and predictive maintenance features
- Adds time and date stamps to events
- Contains a back-up battery
- Easy to mount
VLT® Safety Option MCB 150 and MCB 151
- Expand the Safe Torque Off (STO) function, which is integrated in a standard VLT® AutomationDrive. Use the Safe Stop 1 (SS1) function to perform a controlled stop before removing torque. Use the Safely Limited Speed SLS function to monitor whether a specified speed is exceeded
- The functions can be used up to PL d according to ISO 13849-1 and SIL 2 according to IEC 61508
- Additional standards-compliant safety functions
- Replacement of external safety equipment
- Reduced space requirements
- 2 safe programmable inputs
- 1 safe output (for T37)
- Easier machine certification
- Drive can be powered continuously
- Safe LCP Copy
- Dynamic commissioning report
- TTL (MCB 150) or HTL (MCB 151) encoder as speed feedback
VLT® Safety Option MCB 152
- Enables activation of Safe Torque Off (STO) via the PROFIsafe fieldbus in combination with VLT® PROFINET MCA 120 fieldbus option. It improves flexibility by connecting safety devices within a plant
- Safety functions are implemented according to EN IEC 61800-5-2
- Supports PROFIsafe functionality to activate integrated safety functions of the VLT® AutomationDrive from any PROFIsafe host, up to Safety Integrity Level SIL 2 according to EN IEC 61508 and EN IEC 62061, Performance Level PL d, Category 3 according to EN ISO 13849-1
- PROFIsafe device (in combination with MCA 120)
- Replacement of external safety equipment
- 2 safe programmable inputs
- Safe LCP Copy
- Dynamic commissioning report
VLT® Extended Cascade Controller MCO 101
- Easy to fit
- Upgrades the built-in cascade controller to operate more pumps and provide more advanced pump control in master/follower mode
- Up to 6 pumps in standard cascade set-up
- Up to 5 pumps in master/follower set-up
- For technical specifications, see VLT® Relay Option MCB 105
VLT® Extended Relay Card MCB 113
- Adds inputs/outputs for increased flexibility
- 7 digital inputs
- 2 analog outputs
- 4 SPDT relays
- Meets NAMUR recommendations
- Galvanic isolation capability