Specifications; Performance Specifications - Mitsubishi Electric QJ71DN91 User Manual

3 SPECIFICATIONS

3 SPECIFICATIONS
This chapter provides the performance specifications of the QJ71DN91, I/O signals
used with a programmable controller CPU, and buffer memory specifications.
For the general specifications for the QJ71DN91, refer to the User's Manual
(Hardware) of the CPU module used.

3.1 Performance Specifications

Table 3.1 shows the performance specifications of the QJ71DN91.
Item
Node type
Node No.
Number of
connections
Master
function
Communication
data size
Node type
Node No.
Number of
Slave
connections
function
Communication
data size
Communication speed
Maximum cable length *
Current consumption required on the network
Number of writes to flash ROM
No. of occupied I/O points
5 V DC internal current consumption
Weight
* : The maximum cable length complies with the DeviceNet Specifications (Release 2.0) Volumes 1 and 2.
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Table 3.1 Performance specifications
DeviceNet master (Group 2 only client)
0 to 63
Message connection 63
I/O connection 63 (polling, bit strobe, change of state, cyclic)
Send Max. 4096 points (512 bytes), max. 256 bytes per node
I/O
communication
Receive Max. 4096 points (512 bytes), max. 256 bytes per node
Send Max. 240 bytes
Message
communication
Receive Max. 240 bytes
DeviceNet slaves (Group 2 server)
0 to 63
I/O connection 1 (polling)
Send Max. 1024 points (128 bytes)
I/O
communication
Receive Max. 1024 points (128 bytes)
Selectable from 125 kbps, 250 kbps and 500kbps.
Communication
speed
125 kbaud
250 kbaud
500 kbaud
0.03 A
Max. 100000 times
32 points (I/O allocation: Intelligent 32 points)
0.17 A
0.11kg
Specification
Maximum trunk line distance
Combination
Thick Thin
of thick and
cables cables
thin cables
500m
See
250m 100m Section
3.1.1
100m
MELSEC-Q
3
Drop line length
Maximum Total
156m
6m 78m
39m
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