Category: B&R

Material number:

X20CS1012

Description:

• Power supply for up to 64 slaves on the M-Bus

• Decentralized use of the communication interface

The M-Bus master is designed as a single-width module and

can be connected anywhere within the X20 I/O system.

It can therefore be used decentrally for distributed topologies.

The M-Bus master supports transfer rates of 300. 2400 and 9600

bit/s; up to 64 slaves supplied via M-Bus can be connected.

M-Bus (Meter-Bus) is a relatively simple fieldbus for recording

consumption data, such as from electricity or heat meters. 

It is based on a reverse polarity protected two-wire line and works

according to the master-slave principle.

Material number:

X20BC00G3

Description:

• Fieldbus: EtherCAT

• Auto-configuration of I/O modules

• I/O configuration and firmware update via the fieldbus (FoE)

• Full support of the modular slice concept via CoE (CANopen over EtherCAT)

• Configurable I/O cycle (0.2 to 4 ms)

• Synchronization between the fieldbus and X2X Link

EtherCAT is an Ethernet-based fieldbus developed by Beckhoff. This protocol is suitable

for both hard and soft real-time requirements in automation technology. In addition to

a ring structure, which becomes logically necessary because of the summation frame

telegram used, the EtherCAT technology also physically supports topologies such as line,

tree, star (limited) and combinations of these topologies. B&R’s X20BC80G3 (expandable

bus controller module) and X20HB88G0 (standalone junction base module) are available

for implementing these topologies.

EtherCAT slave devices take the data designated for them from a telegram as it is passing

through the device. Input data is also added to the telegram as it is passing through.

The bus controller allows X2X Link I/O modules to be coupled to EtherCAT and operated on

any EtherCAT master system. A transition between IP20 and IP67 protection outside of the

control cabinet is possible by arranging X20. X67 or XV modules one after the other as

needed at distances up to 100 m.

Master systems without FoE (File access over EtherCAT) support require an appropriate

configuration tool to transfer the configuration (optional).

Material number:

X20CP0411

Description:

• ARM Cortex-A9 processor with 240 MHz and integrated I/O processor

• Onboard Ethernet

• 2x onboard USB

• 128 MB DDR3 SDRAM

• 512 MB onboard flash drive

• Fanless

• No battery

• Extremely compact

The controllers in the X20 Compact-S family are both powerful and compact.

The fanless, battery-free design of these controllers means they are completely

maintenance-free.

The X20CP0411 is equipped with an ARM Cortex-A9-240 processor, 128 MB RAM

and 512 MB built-in flash drive. The FRAM for storing remanent variables has

16 kB available.

With Ethernet, USB and RS232. the controller offers plenty of communication options.

An optional RS485 or CAN interface is available.

Material number:

X20CP3585

Description:

• Intel Atom 1.0 GHz processor with an additional I/O processor

• Onboard Ethernet, POWERLINK with poll response chaining and USB

• 3 slots for modular interface expansion

• CompactFlash as removable application memory

• 256 MB DDR2-SDRAM

• Controller redundancy possible

• Fanless

The X20CP3585 controller is based on an Atom processor clocked at

1 GHz and equipped with 256 MB DDR2 SDRAM.

USB, Ethernet, POWERLINK and removable CompactFlash are all included

as standard features. A Gigabit Ethernet interface is a standard feature.

For even more real-time network performance, the onboard POWERLINK

interface supports poll response chaining mode (PRC).

The controller is equipped with 3 slots available for X20 communication

modules. Various bus and network systems can easily be integrated into

the X20 system through the use of communication modules.

The EtherCAT interface

From an Ethernet standpoint, the EtherCAT bus is simply a single large Ethernet station. This “station” re

ceives and transmits Ethernet telegrams. The station does not include an Ethernet controller with down

stream microprocessor, however, but rather a large number of EtherCAT slaves. These slaves process the

incoming telegrams during the cycle and extract the relevant payload data or add it and then forward the

telegram to the next EtherCAT slave. The last EtherCAT slave then returns the now fully processed telegram

so that it will be sent back to the master by the first slave as a kind of response telegram. This procedure

utilizes the fact that Ethernet deals separately with transfers in separate directions (Tx and Rx lines) and

operates in full-duplex mode.

The telegrams are processed in a continuous process. While the telegrams are already being sent on, de

layed by just a few bits, the slave recognizes certain commands for itself and executes them accordingly.

Processing takes place in the hardware and is therefore independent of the response times of the slave.

Each station has an addressable memory area of 64 kB, within which it is possible to read, write or write

and read simultaneously. Several EtherCAT commands can be embedded within an Ethernet telegram, each

of which addresses individual stations and/or memory areas.

Supported protocols and functions

Supported protocols:

• File access over EtherCAT (FoE object)

• Complete access (supported since firmware version 18)

° Enabled: Objects are read or written with all existing subindices.

° Disabled: Objects are only read or written with the specific subindex.

Additional supported functions:

• 32-bit “distributed clocks” function

Unsupported functions:

• Reading and writing a logical memory area (LRW)

Firmware

The module comes with preinstalled firmware. The firmware is part of the Automation Studio project. The

module is automatically brought up to this level.

A hardware upgrade must be performed to upgrade the firmware included in Automation Studio (see Help

“Project management – Workspace – Upgrades” in Automation Help).

EtherCAT

EtherCAT is an Ethernet-based fieldbus developed by Beckhoff. This protocol is suitable for both hard

and soft real-time requirements in automation technology. In addition to a ring structure, which becomes

logically necessary because of the summation frame telegram used, the EtherCAT technology also phys

ically supports topologies such as line, tree, star (limited) and combinations of these topologies. B&R’s

X20BC80G3 (expandable bus controller module) and X20HB88G0 (standalone junction base module) are

available for implementing these topologies.

EtherCAT slave devices take the data designated for them from a telegram as it is passing through the

device. Input data is also added to the telegram as it is passing through.

Master systems without FoE (File access over EtherCAT) support require an appropriate configuration tool

to transfer the configuration (optional).

Error codes

The module returns an error code if an error occurs. A complete list of all error codes in PDF format is avail

able in under item “Communication_Error” in section “Communication / Fieldbus systems / Support with

FDT/DTM / Diagnostic functions / Diagnostics on the runtime system / Master diagnostics” in Automation

Help.

Module description

The interface module is equipped with an EtherCAT interface. This allows the B&R system (I/O modules,

POWERLINK, etc.) to be connected to systems from other manufacturers and makes it possible to quickly

and easily transfer data in both directions.

The interface is equipped with 2 RJ45 connections. Both connections result in an integrated switch. This

makes it easy to implement daisy chain cabling.

Functions:

• EtherCAT slave

• Error monitoring

EtherCAT

EtherCAT is an Ethernet-based fieldbus developed by Beckhoff. This protocol is suitable for both hard and

soft real-time requirements in automation technology.

Error monitoring

The status of the module and fieldbus is monitored. An error code is returned if an error occurs.

The resulting measured values include the pure phase current; line-to-line voltage or phase

voltage; the effective, reactive and apparent power parts; the mains frequency; the power

factor and much more. In addition, peak values and energy meters are stored on the module

in nonvolatile memory. Depending on the configuration, it is also possible to use a digital

output as a pulse encoder for an external energy meter.

The synchronization unit doesn’t just take the phasing and phase voltage into consideration;

integrated intelligence also monitors the rate of change and other parameters, allowing them

to influence when the synchronization output is switched. It is also possible to monitor a

generator using a large number of additional conditions. A total of 4 voltage inputs provide

substantial overall flexibility.

Monitoring functions expand the features of the module. Dependent overcurrent monitoring is

included, which utilizes the thermal capacity of the motor/generator to allow short overloads

while still providing full protection. The dependent, delayed imbalanced load monitoring used

to protect three-phase generator and three-phase networks from imbalanced load can be

adapted to the characteristics of different generator types using parameters while taking their

special thermal time constants into account.

Material number:

X20CM0985

Description:

• Energy measurement for 120 to 480 VAC

• Simultaneous measurement of 2 AC mains networks plus 2 additional voltages

• For multifunctional measurement tasks

• Intelligent mains synchronization unit

The module has a compact size and combines a power measurement module that has

special features with a synchronization unit that is able to meet all demands.

The measurement unit’s 3 current inputs are suitable for both X: 1 A and X: 5 A current

transformers. Overcurrent resistance and the high resolution of the measurement unit

round off its features. For the voltage inputs, the value range can be configured between

480 VAC and 120 VAC.

The area of use includes 4-wire AC networks with a phase voltage up to 480 VAC and

3-wire systems, whereas L2 can be grounded (V-connection). The module can also handle

Aron measuring circuits.