Hitachi SJ-PB(T) Profibus-DP Supported Version, Technical features of Profibus-DP

CHAPTER 1 INTRODUCTION

1.5 Profibus-DP Supported Version

SJ-PB(T) can use following Manufacturing number (MFG No) of SJ300/L300P series.

After Manufacturing number : XX8KXXXXXXXXXXXX（SJ300-0.4-55kW / L300P-11-75kW supported） XXEMXXXXXXXXXXXX（SJ300-75-132kW / L300P-90-132kW supported）

(Note) Manufacturing number is written in specifications label on main body of SJ300/L300Pseries. Refer to figure 1-2, figure 1-3.

(Figure1-2, 1-3 are the example of SJ300 series. L300P series are the same manner as SJ300 series.)

Specifications label

Figure 1-2 Position of specifications label

Inverter model

Maximum applicable motor

Input ratings

Output ratings

Manufacturing number 118KT12345 10001 0101

Figure 1-3 Contents of specifications label

1.6 Technical features of Profibus-DP

•Physical media: EIA RS 485 twisted pair cable or fiber optic.

•Baud rate: 9.6 kbaud up to 12Mbaud.

•Maximum number of nodes: 126

•Maximum number of I/O: 244 bytes/slave.

•Bus topology: Master-Slave communication. The figure below gives an overview of a Profibus-DP network.

•Cyclic user data transfer between DP-Master and DP-Slaves.

•Watch-Dog Timer at the DP-Slaves

•Connecting or disconnecting stations without affecting other stations.

•Powerful diagnosis mechanisms, 3 hierarchical levels of the diagnosis messages.

•Synchronization of inputs and/or outputs.

•All messages are transmitted with Hamming Distance HD=4.

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