Siemens Options for MICROMASTER 420 – Variant Independent Options


Various options are available for the MICROMASTER 420 inverter:Options for MICROMASTER 420

  • Filters
  • Chokes
  • Gland plates
  • Fuses
  • Circuit-breakers
  • Operator panels
  • Communication modules
  • Mounting kits
  • Start-up tools

There are variant dependent and variant independent options.

Basic Operator Panel (BOP)

With the BOP, individual parameter settings can be made. Values and units are shown on a 5-digit display.

Basic Operator Panel (BOP)

A BOP can be used for several inverters. It can be directly mounted on the inverter or in a control cabinet door using a mounting set.

Advanced Operator Panel (AOP)

The AOP enables parameter sets to be read out of the inverter or to be written into the inverter (upload/download). Different parameter sets can be stored in the AOP. It has a plain text display with the possibility of switching between several languages.

Advanced Operator Panel (AOP)

Up to 30 inverters can be controlled from an AOP via USS. It can be directly mounted on the inverter or in a control cabinet door using a mounting set.

Asian Advanced Operator Panel (AAOP)

The AAOP is the Chinese version of the AOP operator panel. It has an enhanced display and supports the operating languages of Chinese (simplified) and English.

Asian Advanced Operator Panel (AAOP)

Cyrillic Advanced Operator Panel (CAOP)

The CAOP is the Cyrillic version of the AOP Advanced Operator Panel. It supports the Cyrillic, German and English operator languages.


For a complete PROFIBUS connection with up to ≤12 MBaud. Remote control of the inverter is possible with the PROFIBUS module. Remote control and operation at the inverter can be combined using an operator panel plugged onto the PROFIBUS module. The PROFIBUS module can be supplied by an external 24 V DC power supply and is thus also active when the inverter is disconnected from the power supply.

Connection by means of a 9-pin Sub-D connector (available as an option).

DeviceNet module

For networking the inverters to the DeviceNet fieldbus system widely used on the American market. A maximum transmission rate of 500 kBaud is possible. Remote control of the inverter is possible with the DeviceNet module. Remote control and operation at the inverter can be combined using an operator panel plugged onto the DeviceNet module.

The connection to the DeviceNet bus system is made using a 5-pin connector with terminal strip.

CANopen module

Using the CANopen communications module, an inverter can be linked to the CANopen fieldbus system and remote control is then possible.

Remote control and operation at the inverter can be com­bined using an operator panel plugged onto the CANopen module.The module is connected to the bus system through a 9-pin Sub-D connector.

Connection kit for PC to inverter

For controlling an inverter directly from a PC if the appropriate software has been installed (e.g. STARTER).
Isolated RS-232 adapter module for reliable point-to-point connection to a PC. Includes a Sub-D connector and an RS-232 standard cable (3 m).

Connection kit for PC to AOP

For connecting a PC to an AOP or AAOP. Offline programming of inverters and archiving of parameter sets possible. Includes a desktop attachment set for an AOP or AAOP, an RS-232 standard cable (3 m) with Sub-D connectors and a universal power supply unit.

Operator panel door mounting set for single inverter

For mounting an operator panel in a control cabinet door. Degree of protection IP56. Contains a cable adapter module with screwless terminals for use with user’s own RS-232 cables. 1)

AOP door mounting set for multiple inverters (USS)

For mounting an AOP or AAOP in a con­trol cabinet door. Degree of protection IP56. The AOP or AAOP can communicate with several in­verters by means of the RS-485 USS protocol. The 4-pin connecting cable from the AOP or AAOP to the RS-485 terminals of the inverter and to the 24 V user terminal strip is not included. 2)

Start-up tools
    is a graphic start-up software for guided start-up for MICROMASTER 410/420/430/440 frequency inverters under Windows 2000/XP Professional. Parameter lists can be read out, altered, stored, entered and printed.
    The STARTER start-up tool on DVD is included in the PC Inverter Connection Kit (Order No. 6SE6400-1PC00-0AA0) or can be ordered separately on DVD (Order No. 6SL3072-0AA00-0AG0).
    The STARTER start-up tool is also available for update purposes on the internet under:
  • DriveMonitor
    is a start-up software for list-oriented programming of frequency inverters. This program executes under Windows 98/NT/2000/ME/XP Professional.
    DriveMonitor is also available the internet under:
The variant independent options listed under the Ordering Data are suitable for all MICROMASTER 420 inverters.

1) A shielded cable of type Belden 8132 (28 AWG) is recommended. The maximum cable length is 5 m for RS-232.

2) A shielded cable of type Belden 8132 (28 AWG) is recommended. The maximum cable length is 10 m for RS-485.

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