2
2. Specification
The performance specifications of the QJ71PB92V are given below.
When using the QJ71PB92D-compatible function, refer to the PROFIBUS-
DP Interface Module User's Manual.
For the general specifications of the QJ71PB92V, refer to the QCPU User's
Manual (Hardware Design, Maintenance and Inspection).
*1 The transmission speed is controlled within 0.2%. (Compliant with IEC
61158-2)
*2 Up to 124 when the QJ71PB92V is mounted to redundant system.
Table 2.1 Performance specifications
Item
Specifications
PROFIBUS-DP station type
DP-Master (Class 1)
Trasmission
specifications
Electrical standard/
characteristics
EIA-RS485 compliant
Medium
Shielded twisted pair cable (Refer to Section 5.1.)
Network topology
Bus topology (Tree topology when repeaters are used)
Data link method
Between DP-Master and DP-Master: Token passing
method
Between DP-Master and DP-Slave: Polling method
Encoding method
NRZ
Transmission speed *1 9.6 kbps to 12Mbps (Refer to (1) in this chapter.)
Transmission distance
Differs depending on the transmission speed (Refer to
(1) in this chapter.)
Max. No. of repeaters
3 repeaters
Number of connectable
modules
(Per segment)
32 per segment (including repeater(s))
Number of connectable
modules (Per network)
126 per network
(total of DP-Masters and DP-Slaves)
Max. No. of DP-Slaves
*2 (Per QJ71PB92V)
125 per QJ71PB92V
Trasmission
specifications
I/O data
size
Input data
Max. 8192 bytes (Max. 244 bytes per DP-Slave)
Output data Max. 8192 bytes (Max. 244 bytes per DP-Slave)
Number of writes to flash ROM
Max. 100000 times
No. of occupied I/O points
32 (I/O assignment: 32 special points)
Internal current consumption (5V DC) 0.57A
External dimensions
98(3.86 in.)(H) 27.4(1.08 in.)(W) 90(3.54 in.)(D) [mm]
Weight
0.13kg
