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SERCON410B, SERCON816, SERDES-SAN1.1

Table of contents:
Info of SERCON410B
Info of SERCON816
Info of SERDES-SAN1.1

SERCON410B, SERCON816, SERDES-SAN1.1 Selling Leads, Datasheet

MFG:ST Package Cooled:QFP1420-100 D/C:99

SERCON410B, SERCON816, SERDES-SAN1.1 Picture

SERCON410B, SERCON816, SERDES-SAN1.1 Datasheet download

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Part Number: SERCON410B

MFG: ST

Package Cooled: QFP1420-100

D/C: 99

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SERCON410B General Description

The SERCOS interface controller SERCON410B is anintegrated circuit for SERCOS interface communication systems. The SERCOS interface is a digital interface for communication between systems which have to exchange information cyclically at short, fixed intervals (65 ms to 65 ms). It is appropriate for the synchronous operation of distributed
control or test equipment (e.g. connection between drives and numeric control).

A SERCOS interface communication system consists of one master and several slaves (Fig. 3).These units are connected by a fiber optical ring.This ring starts and ends at the master. The slaves regenerate and repeat their received data or send their own telegrams. By this method the telegrams sent by the master are received by all slaves while the master receives data telegrams from the slaves. The optical fiber assures a reliable highspeed
data transmission with excellent noise immunity.

The SERCOS interface controller contains all the hardware-related functions of the SERCOS interface and considerably reduces thehardware costs and the computing time requirements of the microprocessor. It is the direct link between the electro-optical receiver and transmitter and the microprocessor that executes the control algorithms.The SERCON410Bcan be used both for SERCOS interface masters and slaves.

The circuit contains the following functions (Fig. 1):
- Interface to the microprocessor with a data bus width of 8 or 16 bits and with control lines according to Intel or Motorola standards.

- A serial interface for making a direct connection with the optical receiver and transmitter of the fiber optic ring or with drivers to an electric ring or bus. Data and clock regeneration, the repeater for ring topologies and the serial transmitter and receiver are integrated. The signals are monitored and test signals generated.The serial interface operates up to 4Mbaud without external circuitry and up to 10 Mbaud with external clock regeneration.

- A dual port RAM (1024 * 16 bit) for control and communication data. The organization of the memory is flexible.

- Telegram processing for automatic transmission and monitoring of synchronous and data telegrams. Only transmission data which is intended for the particular interface user is processed.The transmitted data is either stored in the internal RAM (single or double buffer) or transferred via direct memory access (DMA).The transmission of service channel information over several communication cycles is executed automatically.

In addition to the SERCOS interface the SERCON410B can also be used for other real-time communications tasks. As an alternative to the fiberoptical ring also bus topologies with RS-485 signals are supported (Fig. 4).The SERCON410B
is therefore suitable for a wide range of applications.

SERCON410B Maximum Ratings

Symbol	Parameter	Value	Unit
V_DD	Supply voltage	-0.3 to 7.0	V
V_I	Input voltage	V_SS - 0.3 to V_DD + 0.3	V
V_O	Output voltage	V_SS - 0.3 to V_DD+ 0.3	V
T_STG	Storage temperature	-55 to +150

SERCON410B Features

·Single-chip controller for SERCOS interface
·Real time communication for industrial control systems
·8/16-bit bus interface, Intel and Motorola control signals
·Dual port RAM with 1024 words * 16-bit
·Data communications via optical fiber rings, RS 485 rings and RS 485 busses
·Maximum transmission rate of 4 Mbaud with internal clock recovery
·Maximum transmission rate of 10 Mbaud with external clock recovery
·Internal repeater for ring connections
·Full duplex operation
·Modulation of power of optical transmitter diode
·Automatic transmission of synchronous and data telegrams in the communication cycle
·Flexible RAM configuration, communication data stored in RAM(single or double buffer) or transfer via DMA
·Synchronization by external signal
·Timing control signals
·Automatic service channel transmission
·100-pin plastic flat-pack casing

SERCON410B Connection Diagram

SERCON816 General Description

The SERCOS interface controller SERCON816 is an integrated circuit for SERCOS interface communication systems. The SERCOS interface is a digital interface for communication between systems which have to exchange information cyclically at short, fixed intervals (62,5 s to 65 ms). It is appropriate for the synchronous operation of distributed control or test equipment (e.g. connection between drives and numeric control).

A SERCOS interface communication system consists of one master and several slaves. These units are connected by a fiber optical ring. This ring starts and ends at the master. The slaves regenerate and repeat their received data or send their own telegrams. By this method the telegrams sent by the master are received by all slaves while the master receives data telegrams from the slaves. The optical fiber assures a reliable high-speed data transmission with excellent noise immunity.

The SERCOS interface controller contains all the hardware-related functions of the SERCOS interface and considerably reduces the hardware costs and the computing time requirements of the microprocessor. It is the direct link between the electro-optical receiver and transmitter and the microprocessor that executes the control algorithms. The SERCON816 can be used both for SERCOS interface masters and slaves.

The circuit contains the following functions (Fig. 1):
Interface to the microprocessor with a data bus width of 8 or 16 bits and with control lines according to Intel or Motorola standards.
A serial interface for making a direct connection with the optical receiver and transmitter of the fiber optic ring or with drivers to an electric ring or bus. Data and clock regeneration, the repeater for ring topologies and the serial transmitter and receiver are integrated. The signals are monitored and test signals generated. The serial
interface operates up to 16 Mbaud without external circuitry.
A dual port RAM (2048 * 16 bit) for control and communication data. The organization of the memory is flexible.
Telegram processing for automatic transmission and monitoring of synchronous and data telegrams. Only transmission data which is intended for the particular interface user is processed. The transmitted data is either stored in the internal RAM (single or double buffer) or transferred via direct memory access (DMA). The transmission of service channel information over several communication cycles is executed automatically.

In addition to the SERCOS interface the SERCON816 can also be used for other real-time communications tasks. As an alternative to the fiber optical ring also bus topologies with RS-485 signals are supported (Fig. 4). The SERCON816 is therefore suitable for a wide range of applications.

Remark: The SERCON816 is based on the former SERCON410B SERCOS interface controller.

SERCON816 Maximum Ratings

Symbol	Parameter	Value	Unit
V_DD	Supply voltage	-0.5 to 6.5	V
V_I	Input voltage	-0.5 to V_DD+ 0.5	V
V_O	Output voltage	-0.5 to V_DD + 0.5	V
T_STG	Storage temperature	-55 to +150

SERCON816 Features

· Single-chip controller for SERCOS interface
· Real time communication for industrial control systems
· 8/16-bit bus interface, Intel and Motorola control signals
· Dual port RAM with 2048 word *16-bit
· Data communications via optical fiber rings, RS 485 rings and RS 485 busses
· Maximum transmission rate of 16 Mbaud with internal clock recovery
· Internal repeater for ring connections
· Full duplex operation
· Modulation of power of optical transmitter diode
· Automatic transmission of synchronous and data telegrams in the communication cycle
· Flexible RAM configuration, communication data stored in RAM (single or double buffer) or transfer via DMA
· Synchronization by external signal
· Timing control signals
· Automatic service channel transmission
· Watchdog to monitor software and external synchronization signals
· Compatible mode to SERCON410B SERCOS interface controller
· 100-pin plastic flat-pack casing

SERCON816 Connection Diagram

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