Preface
xiv
High Speed Counter Encoder Module User Manual
Series
505
products have been developed with consideration of the draft
standard of the International Electrotechnical Commission Committee
proposed standard (IEC-65A/WG6) for programmable controllers (released
as IEC 1
131–2, Programmable Controllers Part 2: Equipment Requirements
and T
ests, First Edition, 1992–09). This module meets the standards of the
following regulatory agencies:
•
Underwriters Laboratories, Inc.
: UL Listed (Industrial Control
Equipment)
•
Canadian Standards Association: CSA Certified (Process Control
Equipment)
•
Factory Mutual Research Corporation: approved for Class I, Div
. 2,
Groups A, B, C, D Hazardous Locations
For technical assistance, contact your Siemens Industrial Automation, Inc.
distributor or sales office. If you need assistance in contacting your sales
office or distributor in the United States, call 1–800–964–41
14.
The following conventions are used in this manual:
•
Bits are either
set
to their 1 state, or are
cleared
to their 0 state.
•
Bit positions within words are referred to by a decimal: WY20.01 refers
to bit position .01 in word WY20.
• T
ext that refers to additional counters or channels, contains the
additional counter(s) [5, 6] or channel [2] in brackets.
• T
ext that refers to signal names is presented in ALL CAPS.
•
Shading within a table cell or a jumper position indicates a default
setting.
Agency Appr
ovals
Technical
Assistance
Conventions
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