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  2. Modbus - Wikipedia

    en.wikipedia.org/wiki/Modbus

    Exception Function code = Function code (1 byte) + 0x80. Exception Function code is equal to the Function code, except that its MSB is set to 1. Exception code (1 byte) of mb_excep_rsp_pdu is defined in the MODBUS Exception Codes table.

  3. List of CIL instructions - Wikipedia

    en.wikipedia.org/wiki/List_of_CIL_instructions

    Exit a protected region of code. Base instruction 0xDE leave.s <int8 (target)> Exit a protected region of code, short form. Base instruction 0xFE 0x0F localloc: Allocate space from the local memory pool. Base instruction 0xC6 mkrefany <class> Push a typed reference to ptr of type class onto the stack. Object model instruction 0x5A mul: Multiply ...

  4. List of automation protocols - Wikipedia

    en.wikipedia.org/wiki/List_of_automation_protocols

    Modbus RTU or ASCII or TCP; oBIX - Open Building Information Exchange is a standard for RESTful Web Services-based interfaces to building control systems developed by OASIS. UPB - 2-way Peer to Peer Protocol; VSCP - Very Simple Control Protocol is a free protocol with main focus on building- or home-automation; xAP – Open protocol

  5. Standard Commands for Programmable Instruments - Wikipedia

    en.wikipedia.org/wiki/Standard_Commands_for...

    In 1989, HP developed their TML language [10] which was the forerunner to SCPI. The IEC developed their own standards in parallel with the IEEE, with IEC 60625-2-1993 (IEC 625). In 2004, the IEEE and IEC combined their respective standards into a "dual logo" IEEE/IEC standard IEC 60488-2-2004 , Part 2: Codes, Formats, Protocols and Common ...

  6. IEC 61850 - Wikipedia

    en.wikipedia.org/wiki/IEC_61850

    IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations.It is a part of the International Electrotechnical Commission's (IEC) Technical Committee 57 reference architecture for electric power systems. [1]

  7. IEC 60870-5 - Wikipedia

    en.wikipedia.org/wiki/IEC_60870-5

    IEC 60870-5-101 [IEC101] is a standard for power system monitoring, control & associated communications for telecontrol, teleprotection, and associated telecommunications for electric power systems.

  8. MIL-STD-1553 - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-1553

    The Bus Controller sends one command word with a Sub-address of 0 or 31 signifying a Mode Code type command. The Remote Terminal responds with a Status word. Mode Command With Data Word (Transmit). The Bus Controller sends one command word with a Sub-address of 0 or 31 signifying a Mode Code type command.

  9. Complex programmable logic device - Wikipedia

    en.wikipedia.org/wiki/Complex_programmable_logic...

    An Altera MAX 7000-series CPLD with 2500 gates. Die of an Altera EPM7032 EEPROM-based CPLD.Die size 3446x2252 μm. Technology node 1 μm. A complex programmable logic device (CPLD) is a programmable logic device with complexity between that of PALs and FPGAs, and architectural features of both.