Y-link for S7-400H

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Transceiver for the transition from a redundant PROFIBUS DP master system to a single-channel PROFIBUS DP master system
To connect devices with a single PROFIBUS DP interface to the redundant PROFIBUS DP master system of the SIMATIC S7-400H

Область применения

The Y-Link is a transceiver for the transition from a redundant PROFIBUS master system to a single-channel PROFIBUS DP master system. It is used to connect devices with a single PROFIBUS DP interface as switched I/O to S7-400H.

Дизайн

The Y-link comprises:

2 IM 153-2 High Feature Outdoor interface modules
1 Y coupler
1 BM IM/IM bus module
1 BM Y-coupler bus module

Snapped on mounting rails for setup with active bus modules.

Configuration options and limitations

A redundant PROFIBUS DP master system can be extended by means of Y links in the following way:

The number of Y links on a redundant DP master system is only limited by the maximum number of stations. The maximum number of connectable slaves depends on the length of the user data and configuration message frames. The total length of each may not exceed 244 bytes (see slave technical data). Generally, the following applies:
- Max. 64 stations in the lower-level DP master system
- Max. 236 slots in the lower-level DP master system
Y link configuration and user data message frames comprise message frame contents of the lower-level slaves. The maximum frame length is therefore 244 bytes.
Direct communication and equidistance not possible in the lower-level master system

Функции

Y link

Transmission rates for the redundant master system:
9.6 Kbit/s to 12 Mbit/s
Bumpless switchover of the redundant PROFIBUS DP master system's active channel.
Supports system changes on a SIMATIC S7-400H during operation
Diagnostics via LEDs and the user program

Y coupler

Transmission rates for the lower-level master system (independent of redundant DP master system):
187.5 Kbit/s to 12 Mbit/s
Electrical isolation between lower-level DP master system and power supply via the coupler
IP20 degree of protection

Principle of operation

The Y link maps the lower-level DP master system on the redundant PROFIBUS DP master system as a switched PROFIBUS DP slave .

The Y coupler and the lower-level DP master system form an independent bus system and operate decoupled from the redundant bus system.

The Y link as a DP slave on the redundant DP master system acts as a proxy for the stations on the lower-level DP master system with regard to data.

Configuration

The Y link can be configured with STEP 7 as of Version 5.4. It is not necessary to configure the Y coupler.

When STEP 7 calculates the bus parameters, the stations connected on the lower-level DP master system as well as the Y link itself are taken into account.

Parameter assignment of the DP slaves

The redundant DP master system assigns the parameters for the DP slaves in the lower-level DP master system via the Y link.

Технические данные

Order number		6ES7153-2BA70-0XB0
		ET200M, INTERFACE IM153-2 HF OUTDOOR
General information
Vendor identification (VendorID)		801Eh
Supply voltage
Rated value (DC)
● 24 V DC		Yes
permissible range (ripple included), lower limit (DC)		20.4 V
permissible range (ripple included), upper limit (DC)		28.8 V
external protection for power supply lines (recommendation)		2,5 A
Mains buffering
● Mains/voltage failure stored energy time		5 ms
Input current
Current consumption, max.		650 mA
Inrush current, typ.		3 A
I²t		0.1 A²·s
Output current
for backplane bus (5 V DC), max.		1.5 A
Power loss
Power loss, typ.		5.5 W
Address area
Addressing volume
● Inputs		244 byte
● Outputs		244 byte
Hardware configuration
Number of modules per DP slave interface, max.		12
Time stamping
Accuracy		1 ms; 1ms at up to 8 modules; 10ms at up to 12 modules
Number of message buffers		15
Messages per message buffer		20
Number of stampable digital inputs, max.		128; Max. 128 signals/station; max. 32 signals/slot
Time format		RFC 1119
Time resolution		0.466 ns
Time interval for transmitting the message buffer if a message is present		1 000 ms
Time stamp on signal change		rising / falling edge as signal entering or exiting
Interfaces
Interface physics, RS 485		Yes
Interface physics, FOC		No
PROFIBUS DP
● Node addresses		1 to 125 permitted
● automatic detection of transmission rate		Yes
● Output current, max.		70 mA
● Transmission rate, max.		12 Mbit/s
● Transmission procedure		RS 485
● SYNC capability		Yes
● FREEZE capability		Yes
● Direct data exchange (slave-to-slave communication)		Yes; as publisher with all IO, as subscriber with F-IO only
● Connector type		9-pin sub D
1. Interface
DP slave
● GSD file		SI05801E.GSG
● automatic baud rate search		Yes
Protocols
Bus protocol/transmission protocol		PROFIBUS DP to EN 50170
Isolation
Isolation tested with		Isolation voltage 500 V
Degree and class of protection
Degree of protection acc. to EN 60529
● IP20		Yes
Air pressure acc. to IEC 60068-2-13
● Installation altitude above sea level, max.		3 000 m
Configuration
Configuration software
● STEP 7		Yes; STEP 7 / COM PROFIBUS / non-Siemens tools via GSD file
Dimensions
Width		40 mm
Height		125 mm
Depth		117 mm
Weights
Weight, approx.		360 g

Order number		6ES7197-1LB00-0XA0
		Y-COUPLER F. BUILDING Y-LINK, REDUNDANT
General information
Requirements for DP master system
● Length of parameter assignment telegram		244 byte
Supply voltage
Design of the power supply		via bus module
permissible range, lower limit (DC)		20.4 V
permissible range, upper limit (DC)		28.8 V
Interfaces
PROFIBUS DP
Properties of the lower-level DP master system
— Transmission rate, max.		12 Mbit/s; 45.45 kbit/s to 12 Mbit/s
— Termination of lower-level DP master system		Active terminating resistor (Bus Terminator)
— Use of OLM/OBT		Yes
— Use of RS 485 repeaters, max.		9
— Number of DP slaves, max.		31; 64 when using RS 485 repeaters or OLM/OBT
Protocols
PROFIBUS DP		Yes
Interrupts/diagnostics/status information
Status indicator		No
Alarms		No
Diagnostic functions		Yes
Potential separation
to lower-level DP master system		Yes
Dimensions
Width		40 mm
Height		125 mm
Depth		130 mm
Weights
Weight, approx.		200 g