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Mitsubishi Electric QJ71MB91 PLC CPU Interface Module

Mitsubishi Electric QJ71MB91 PLC CPU Interface Module

Model
QJ71MB91
GEARWELL SKU
GWP-000000788
Category
Industrial Automation Parts

Key specifications

Supported protocols
MODBUS RTU and MODBUS ASCII, master/slave
Serial interfaces
1 x RS-232 and 1 x RS-422/485
Product type
MODBUS interface module
Slave station range
1 to 247
RS-232 transmission distance
Up to 15 m

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Product overview

The Mitsubishi Electric QJ71MB91 is a MELSEC-Q MODBUS interface module for serial MODBUS communication as master or slave. It has one RS-232 channel and one RS-422/485 channel, with transmission speeds from 300 to 115200bps. Transmission distance is up to 15m on RS-232 and 1200m on RS-422/485, with up to 32 slaves per channel and slave station numbers 1 to 247. The module occupies 32 I/O points, draws 0.31A at 5VDC and weighs 0.20kg.

Technical reference

Product nameMitsubishi Electric QJ71MB91 PLC CPU Interface Module
BrandMitsubishi Electric
ModelQJ71MB91
CategoryIndustrial Automation Parts
Supported protocolsMODBUS RTU and MODBUS ASCII, master/slave
Serial interfaces1 x RS-232 and 1 x RS-422/485
Product typeMODBUS interface module
Slave station range1 to 247
RS-232 transmission distanceUp to 15 m
RS-422/485 transmission distanceUp to 1200 m
Master-mode slave capacity32 slaves per channel
Transmission speed300 to 115200 bit/s