Chapter3 Specifications; Performance Specifications - Mitsubishi Electric QJ71MB91 User Manual

3
SPECIFICATIONS

CHAPTER3 SPECIFICATIONS

This chapter explains the performance specifications of the QJ71MB91, interface
specifications, I/O signals for communications with programmable controller CPU, and
buffer memory.
Please refer to the following manual for general specifications.

3.1 Performance Specifications

This section provides the performance specifications of QJ71MB91.
Number of interfaces
Transmission speed
Transmission
specifications
Transmission
distance
(Overall distance)
Automatic
communication
function
Master
function
Communication
by dedicated
instructions
(MBRW, MBREQ)
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
Table3.1 Performance specifications
Item
RS-232
RS-422/485
*1
Number of slaves
Function (for send)
Input area size
Output area size
Number of instructions that
can be executed
*2
concurrently
Function (for send)
Input area size
Output area size
Specifications
RS-232 1 channel, RS-422/485
300 600 1200
4800 9600 14400
28800 38400 57600
Communication is available with total transmission
speed of two interfaces within 115200bps.
Max. 15m (49.2 ft.)
Max. 1200m (4592.4 ft.) (Overall distance)
32 per channel
7 functions
4k words
4k words
1 per channel
MBRW instruction: 9 functions
MBREQ instruction: 19 functions
Max. 253 bytes per instruction
Max. 253 bytes per instruction
3.1 Performance Specifications
Reference
1 channel -
2400
19200
Section 6.6
115200 (bps)
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Section 7.2.1
Section 3.5.1
CHAPTER 10
(Continued on next page)
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