![Eaton S611 Скачать руководство пользователя страница 77](http://html2.mh-extra.com/html/eaton/s611/s611_user-manual_4102923077.webp)
S611 Soft Starter
MN03902011E—May 2012 www.eaton.com
65
Appendix F—Network Communications (Modbus)
Modbus with IO Functionality
Modbus General Specifications
Note
Line polarization will reduce maximum number of devices by four.
Parameter
Value
Mode
Slave mode only
Byte characteristics
RTU: 8 bit, even parity, 1 stop bit
ASCII: 7 bit, even parity, 1 stop bit
Slave response to master
10 ms plus the time it takes to transmit response (when applicable)
Commands supported
0x01 Read Coils
0x02 Read Discrete Inputs
0x03 Read Holding Registers
0x04 Read Input Register
0x05 Write Single Coil
0x06 Write Single Register
0x0F Write Multiple Coils (15)
0x10 Write Multiple Registers (16)
0x17 Read/Write Multiple Registers (23)
0x2B/0x0E Read Device Identification Get Device Identity (43/14)
Protocol supported
ASCII or RTU
Electrical signaling
RS-485 (ANSI/TIA/EIA-485), two-wire
Checksum
CRC 16 bit 0x8005 (or CRC-CCITT 0x1021)
Maximum data signaling error accepted
2% in reception, 1% in transmission
Maximum number of devices
32 (1 unit load per RS-485)
LED indication
Device busy
Maximum cable length
Dependent on baud rate, cable characteristics (gauge, capacitance, or impedance), number of loads, 4000 ft
maximum theoretical. Reference
Modbus-IDA over Serial Line Specification and Implementation Guide
and
EIA-485 for details
Maximum number of writes to non-volatile memory
Unlimited
Connector style
Screw terminal
Network topology
Two-wire Modbus, daisy-chain and/or repeater
Line polarization
Not required. Reference
Modbus over Serial Line Specification and Implementation Guide
and EIA-485 for
more information
www.comoso.com
Содержание S611
Страница 1: ...S611 Soft Starter User Manual Effective May 2012 Supersedes August 2011 www comoso com...
Страница 2: ...www comoso com...
Страница 12: ...S611 Soft Starter x S611 Soft Starter MN03902011E May 2012 www eaton com www comoso com...
Страница 94: ...82 S611 Soft Starter MN03902011E May 2012 www eaton com www comoso com...
Страница 95: ...www comoso com...