GB/T 26803.2-2011Industrial control computer system - Bus - Part 2: System external bus - General specification for serial interface (English PDF)

Foreword

GB/T 26803 "Industrial control computer system bus" is divided into the following sections.

--- Part 1. General;

--- Part 2. an external bus serial interface General technical conditions;

--- Part 3. External system bus parallel interface General technical requirements.

This part is Part 2 of GB/T 26803.

1 Scope

GB/T 26803 provisions of this part of the design requirements for industrial control computer systems external to the system bus serial interface technology to Demand and so on.

This section applies to industrial control computer system using the serial interface of the computer binary data exchange and various external Interconnection between devices can also be used to interconnect devices and equipment. This section lists commonly used in industrial control computer system four Serial interface instance.

2 Normative references

The following documents contain provisions which, through reference GB/T 26803 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB 3836.1-2010 Explosive atmospheres - Part 1: General requirements for equipment (IEC 60079-0:2007, MOD)

GB 4208-2008 housing protection (IP Code) (IEC 60529:2001, IDT)

GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment Part 1: General requirements (IEC 61010-1. 2001, IDT)

GB/T 6107-2000 using serial binary data interchange data terminal equipment and data circuit terminating equipment interfaces between (IdtEIA/T IA-232-E)

GB/T 11014-1989 Electrical Characteristics of Balanced Voltage Digital Interface Circuits (eqvEIA-RS422A. 1978)

GB/T 12057-1989 employing serial binary data interchange data terminal equipment and data circuit terminating equipment between general 9 pin and 37 pin interfaces (eqvEIARS449. 1977)

GB/T 15479-1995 industrial automation instruments of insulation resistance, dielectric strength technical requirements and test methods

GB/T 17212-1998 industrial process measurement and control - Terms and definitions (idt IEC 60902. 1987)

GB/T 17214.1-1998 industrial process measurement and control equipment - Operating conditions - Part 1: Climatic conditions (idt IEC 60654-1. 1993)

GB/T 17214.3-2000 working conditions in industrial process measurement and control equipment Part 3: Mechanical influences (idt IEC 60654-3. 1983)

GB/T 17626.2-2006 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test (IEC 61000-4-2:2001, IDT)

GB/T 17626.3-2006 Electromagnetic compatibility - Testing and measurement techniques RFEMS test (IEC 61000-4-3:2002, IDT)

GB/T 17626.4-2008 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient burst immunity test (IEC 61000-4-4. 2004, IDT)

GB/T 17626.5-2008 Electromagnetic compatibility - Testing and measurement techniques - Surge (impact) immunity test (IEC 61000-4-5. 2005, IDT)