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Section Safety
• The diagrams in this section may include options and drives without covers or safety shields to illustrate
details. Be sure to reinstall covers or shields before operating any devices. The option should be used
according to the instructions described in this manual.
• The diagrams in this manual are provided as examples only and may not pertain to all products covered by this
manual.
• The products and specifications described in this manual or the content and presentation of the manual may be
changed without notice to improve the product and/or the manual.
• Contact Yaskawa or a Yaskawa representative and provide the manual number shown on the front cover to
order new copies of the manual.
DANGER
messages in this manual, it will cause serious injury or death. The manufacturer is not responsible for
injuries or damage to equipment.
WARNING
can cause serious injury or death, or cause damage to the drive or option and will void warranty. Yaskawa
is not responsible for modifications of the product made by the user.
NOTICE
for packaging the drive. Use alternative methods, for example heat treatment, before you package the
components. Gas from wood packaging fumigated with halogen disinfectants, for example fluorine,
chlorine, bromine, iodine or DOP gas (phthalic acid ester), can cause damage to the drive.
2
Overview
◆
About This Option
The BACnet MS/TP Communication Option (Model SI-B3) connects a Yaskawa drive to
a Building Automation and Control network (BACnet) network and facilitates the
exchange of data.
When you install the option to the drive, you can use the BACnet protocol to do these
operations:
• Operate the drive
• Monitor the drive operation status
• Change drive parameter settings
Up to 127 drives can communicate on a single BACnet MS/TP network. Applications
requiring more drives or BACnet devices require a BACnet router to allow another MS/
TP network to be available with up to another 127 drives. Actual maximum number of
units depends on total network transceiver load. Refer to EIA-485 standards for more
information about network hardware specifications.
YASKAWA TOEP YAICOM 22A BACnet MS/TP Installation & Technical Manual
General Precautions
Do not ignore the safety messages in this manual. If you ignore the safety
Electrical Shock Hazard. Do not modify the drive or option circuitry. Failure to obey
Damage to Equipment. Do not use steam or other disinfectants to fumigate wood
2 Overview
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