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Manual

EB-MODBUS-RTU

BLOCK Transformatoren-Elektronik GmbH

Max-Planck-Straße 36-46 27283

Verden, Germany

10-23-17 / KRUT

Subject to technical changes

Page: 6

4.2.

Byte Information

•

1 Start bit

The information byte consists of:

•

8 Information bits

•

2 stop bits without parity bit or

1 stop,

parity bit

even

4.3.

Configuration Example 2-Wire

2-wire send / receive

EOF = 10 ms

ModBus addr. 1

19200 Bd

1 2 3 4 5 6 7 8

1 1 0 0 1 0 0 1

0 0 0 0 1 0 1 0

Slave

EB-MODBUS-RTU

Rx+ Rx-

Tx+

Tx-

Rx-

Master

Tx+

Tx-

Rx+

Summary of Contents for EB-MODBUS-RTU

Page 1: ...ck Straße 36 46 27283 Verden Germany 10 23 17 KRUT Subject to technical changes Page 0 EB MODBUS RTU Communication Module Between PLC PC and EasyB Single Channel Circuit Breaker System Collective Reset Input 2 Potential Free Collective Signaling RS 485 RS 422 Interface ...

Page 2: ...ch 3 2 3 Terminals 4 3 Initialization 4 4 Configuration 5 4 1 Dip switch 5 4 2 Byte Information 6 4 3 Configuration Example 2 Wire 6 4 4 Configuration Example 4 Wire 7 5 Communication and Examples 8 5 1 Loopback Diagnostic Test 8 5 2 Status Check 8 5 3 Error Message 9 6 Register Overview 10 6 1 EB MODBUS RTU 10 6 2 EB Single Channel Circuit Breaker 11 6 3 EB Status Byte 12 6 4 Coding of the Circui...

Page 3: ...respective task in particular the safety instructions and warnings contained therein Qualified personnel can as a result of their training and experience help to ensure that the use of the described product meets all safety requirements as well as applicable regulations provisions standards and laws 1 3 Intended Use This device is designed for installation within an enclosure and is suitable for u...

Page 4: ...ption of the Communication Module The EB MODBUS RTU communication module serves as an interface for connection to a higher level controller and is compatible with circuit breakers of the variants EB 08 EB 18 and EB 38 To ensure error free operation the maximum number of 40 circuit breakers must not be exceeded 2 2 Functional Sketch Note Deviations in the wiring can destroy the modules ...

Page 5: ...iguration must be made The MODBUS module initializes itself by applying the supply voltage to terminal IN Functional operation is only made possible by connecting circuit breaker modules and then applying the supply voltage to IN After the supply voltage has been applied all connected circuit breakers are addressed one after the other and then selectively switched on one after the other Using the ...

Page 6: ...re Connection Send 2 4 wire End of frame time 1 2 3 4 5 6 7 8 0 0 3 5 Byte 0 1 10 ms 1 0 50 ms 1 1 500 ms 1 2 3 4 5 6 7 8 0 0 0 0 Term PullUp off 1 1 0 0 RS485 Term PullUp Dn 1 1 1 1 RS422 Term PullUp Dn ModBus address 1 2 3 4 5 6 7 8 0 0 0 0 1 ModBus addr 1 x x x x x ModBus addr X 1 1 1 1 1 ModBus addr 31 Baud rate 1 2 3 4 5 6 7 8 0 0 9600 Bd 0 1 4800 Bd 1 0 19200 Bd 1 1 38400 Bd Parity stop bits...

Page 7: ...Page 6 4 2 Byte Information 1 Start bit The information byte consists of 8 Information bits 2 stop bits without parity bit or 1 stop parity bit even 4 3 Configuration Example 2 Wire 2 wire send receive EOF 10 ms ModBus addr 1 19200 Bd 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 1 0 0 1 0 0 1 0 0 0 0 1 0 1 0 Slave EB MODBUS RTU Rx Rx Tx Tx Rx Master Tx Tx Rx ...

Page 8: ... 36 46 27283 Verden Germany 10 23 17 KRUT Subject to technical changes Page 7 4 4 Configuration Example 4 Wire 2 wire send receive EOF 10 ms ModBus addr 1 19200 Bd 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 1 1 1 0 1 0 1 0 0 0 0 1 0 1 0 Slave EB MODBUS RTU Rx Rx Tx Tx Rx Master Tx Tx Rx ...

Page 9: ...S Addr Function CRC L CRC H Telegram Slave Master 1 8 0 0 AA 55 5E 94 5 2 Status Check Interrogate circuit breaker 1 via EB MODBUS RTU MODBUS DATA MODBUS Addr Function r w Start Addr Number of States CRC Telegram Master Slave Byte Byte h byte l byte h byte l byte l byte h byte 1 1 1 245 0 1 150 122 CRC Number of selected circuit breakers devices register addresses always 1 Circuit breaker 1 status...

Page 10: ... Germany 10 23 17 KRUT Subject to technical changes Page 9 5 3 Error Message Addr Function Data Description X Func 0x80 1 Use of an unsupported short code 2 Use of an unauthorized memory register 3 Wrong value 6 Device cannot process request at the moment Repeat request later 8 Field is read only ...

Page 11: ...f 0x01 Switched on current above warning threshold 90 nominal current Query device ID 4 READ_HOLDING_REGISTERS 3 1 2 byte Firmware version 3 6 byte Production order 7 10 byte Serial number 11 12 byte Variant see EB variants Query options 5 READ_HOLDING_REGISTERS 3 high byte Options see Options low byte Options see Options high byte Options Complement see Options low byte Options Complement see Opt...

Page 12: ...atus See EB status byte 3 4 byte EB circuit breaker actual current high byte in mA low byte in mA 5 6 byte EB circuit breaker nominal current high byte in mA low byte in mA 7 8 byte EB MODBUS RTU Power Supply high byte in mV low byte in mV Query device ID 1 40 601 640 READ_HOLDING_REGISTERS 3 1 2 byte Firmware version 3 6 byte Production order 7 10 byte Serial number 11 12 byte Variant see EB vari...

Page 13: ...tched on current above warning threshold 90 nominal current flashes E Switched on current above warning threshold 100 nominal current flashes R off hardware error fuse flashes V off thermal release flashes E off locally by key as of circuit breaker version 1 12 lights up RC rotary wheel position Note If a circuit breaker was switched off locally it can only be switched back on locally This functio...

Page 14: ...0 Tripping current 10 A 6 5 EB Variants Coding of the options registers 601 640 is shown in Table 2 Table 5 Coding of the Types Name Value Description EB MODBUS RTU 0xCC10 MODBUS RTU Communication Module EB IO LINK 0xCC20 IO LINK Communication Module EB 3824 100 0 0xCBAA Tripping currents can only be set via the interface 0 5 10A EB 0824 100 0 0xCB8A Tripping currents adjustable via interface or a...

Page 15: ... 1 0 Meaning 1 1 Switched off or signaled as tripped 0 Signal as tripped only 2 1 OK signal inverted 0 Do not invert OK signal 3 1 Switch Automatic Addressing off 0 Switch Automatic Addressing on Note The circuit breaker options correspond to delivery condition 3 dec i e the first two options are set The Automatic Addressing on off option is only available with protection switch version 1 10 and e...

Page 16: ... reset Switched off or signaled as tripped Bit No 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Options 1 set activate only the rest remain unchanged Options Complement 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 reset Invert OK signal Bit No 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Options 1 set activate only the rest remain unchanged Options Complement 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 reset Activate Invert OK signal Ac...

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