Tektronix 070-9180-01 - Manual (Page 98)

Option 01 VXI Interface Module User Manual A–1
Appendix A: Specifications
Table A–1: VXI Instrument Characteristics
Characteristics Description
VXI General Characteristics The instrument provides a VXI interface that complies with Revision 1.4.
The VXI interface is defined by the VXI Consortium, Inc.
Interface Type Message Based (1.4)
Protocols Word Serial (WSP)
TTL Outputs VXI TTLTRG* Lines TTLTRG0* through TTLTRG7* under program control.
Product Compliance to Regulations
(VX4320, VX4330, VX4350, VX4380 only)
Product Safety UL, cUL, UL classified to IEC–1010–1.
IEC Characteristics Overvoltage Category: CAT I
Safety: Class I
EMC Per EC Council Directive 89/336 EEC (EC–92), the following standards and limits
apply to the requirements for equipment to be used in residential, commercial, and
light industrial environments. They are specified in EN–50081–1, the Generic
Emission Standard, and in EN 50082–1, the Generic Immunity Standard. For
equipment that is also intended to be used in industrial environments, the standards
and limits specified in EN 50081–2 and EN 50082–2 should be used in addition.
Emissions Emissions shall be within the limits specified by the following requirements:
Enclosure: EN 55011 Class A limit for radiated emissions.
AC Mains: EN 55011 Class A limit for radiated emissions.
EN 60555–2: Power line harmonics
Immunity, Enclosure, Radio Frequen-
cy Electromagnetic Field; IEC 801–3 No state change when the instrument is subjected to a 3 V/M electromagnetic field
over the frequency range of 27 MHz to 500 MHz.
Immunity, Enclosure, Electrostatic
Discharge (ESD); IEC 801–2 Up to 8 kV with no loss of stored data, change to control settings, degradation of
performance, or temporary loss of function. No state change.
Immunity, Fast Transients, Common
Mode; IEC 801–4 No loss of stored data, change to control settings, degradation of performance, or
temporary loss of function will occur when the instrument is subjected to the transients
as described below.
Port Peak Voltage – kV Tr/Th – ns Rep. Freq. – kHz
Signal & control 0.5 5/50 5
AC Power 1 5/50 5
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