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3
SPECIFICATIONS
3 SPECIFICATIONS
This chapter describes the performance specifications, network configuration, I/O
signals, buffer memory, and operation modes of the QJ71PB93D.
For the general specifications of the QJ71PB93D, refer to the User's Manual
(Hardware Design, Maintenance and Inspection) for the CPU module used.
3.1 Performance Specifications
Item
PROFIBUS-DP station type
Station numbers that may be set
Max. number of data that may be
communicated
Electrical standard/characteristics
Medium
Network topology
Data link method
Encoding method
Transmission speed
1
Transmission distance
Maximum number of repeaters
Number of connectable modules
(Per segment)
Flash ROM write count
Number of occupied I/O points
5VDC Internal power consumption
External dimensions
Weight
1 Transmission speed control within +/- 0.3% (EN50170 Volume 2 compliant)
2 Factory-set to "126" (EN50170 Volume 2 compliant)
Set a station number within 0 to 125 for I/O data communication.
For the noise immunity, withstand voltage, insulation resistance, and others in the
programmable controller system using this module, refer to the power supply module
specifications given in the User's Manual (Hardware Design, Maintenance and
Inspection) for the CPU module used.
(1) Transmission distance
9.6 kbps
19.2 kbps
93.75 kbps
187.5 kbps
500 kbps
1.5 Mbps
3 Mbps
6 Mbps
12 Mbps
3 The max. transmission distance in the table above is based on the case where 3 repeaters are used.
3 - 1
Slave station (Complies with EN50170 Volume2 (Part 1, 2, 3, 4, 8))
0 to 125
2
Number of I/O data is 192 words in total. (Size of I/O data is up to 122 words.)
Complies with EIA-RS485
Shielded twisted pair cable (Type A) (Refer to Section 5.7.1)
Bus topology (Tree topology when repeaters are used)
Polling method
NRZ
9.6 kbps to 12 Mbps (Refer to (1) in this section)
Differs depending on the transmission speed (Refer to (1) in this section)
3 units ( Refer to (1) in this section)
32 units (including repeaters)
Max. 10000 times
32 points (I/O assignment : 32 intelligent points)
0.44 A
98(3.86) (H) 27.4(1.08) (W) 90(3.55) (D) [mm(inch)]
0.11 kg
Transmission Speed
1200 m (3937 ft.)/segment
1000 m (3281 ft.)/segment
400 m (1312 ft.)/segment
200 m (656 ft.)/segment
100 m (328 ft.)/segment
The calculation formula for the transmission distance extended using a repeater(s) is:
Max. transmission distance [m/network] = (Number of repeaters + 1) x Transmission distance [m/segment]
Specifications
Transmission Distance
4800 m (15748 ft.)/network
4000 m (13123 ft.)/network
1600 m (5249 ft.)/network
800 m (2625 ft.)/network
400 m (1312 ft.)/network
MELSEC-Q
Max. Transmission Distance when
Repeater is Used
3
3 - 1
3
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