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CHAPTER 1
INTRODUCTION
1.3 Outline of product
SJ-PB2/SJ-PBT2 is Profibus-DP communication board for SJ700/SJ300/L300P series inverter.
SJ700/SJ300/L300P series inverter can get to connect another devices via Profibus-DP when install
SJ-PB2/SJ-PBT2.
SJ-PB2/SJ-PBT2 is possible to use for all models of SJ700/SJ300/L300P series.
The SJ-PB2/SJ-PBT2 option board communicates according to the Profibus Protocol Standard DIN 19245 part
1 & 3. This means that it can communicate with all masters that comply with this standard, but it does not
necessarily mean that all services available in the Profibus standard are supported. The "Profibus Profile for
Variable Speed Drives" (order no. 3.072), also known as Profidrive, is a subset of Profibus which only supports
the services relevant to speed control applications.
In a control system the option board will act as a slave that can be read and written to, from a Profibus-DP
master. It will not initiate communication to other nodes, it will only respond to incoming telegrams.
(Note) RS485 communication function is disabled by installing SJ-PB2/SJ-PBT2 to the inverter.
Difference between SJ-PB2 and SJ-PBT2 is only connector for networking. Others are no difference.
1.4 Appearance and Names of Parts
Figure 1-1 indicates the appearance of SJ-PB2/SJ-PBT2.
Profibus contact (open type)
Right rotary switch for setting Node Address (one to nine) (note)
Left rotary switch for setting Node Address (a times ten factor) (note)
Figure 1-1 Appearance of SJ-PB2/SJ-PBT2
Fieldbus On/Off LED (D14)
0
0
5
5
Connector for connection to
SJ700/SJ300/L300P (Back)
note: please see chapter 4.1.1 Node Address
2
Fieldbus diagnosis LED (D13)
Serial channel status LED (D12)
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