OVERVIEW

Official designation: Mitsubishi QJ61BT11N (MELSEC-Q series, CC-Link Master/Local Module)

Role/Application: A control network module compatible with CC-Link Versions 1 and 2, functioning as either a master or local station to manage high-speed cyclic and transient data exchange in a distributed control system.

KEY SPECS SUMMARY

Power: 5 V DC, 0.46 A internal current consumption

Interfaces / Ports: D-sub 9-pin female connector

Indicators: RUN, ERR, SD, RD, L-ERR, L-BA, POWER (7 LEDs)

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: MELSEC-Q Universal Base Unit

Limit: 64 total stations, max 8192 remote I/O points

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the maximum cable distances at the highest 10 Mbps transmission speed?

A: The maximum total cable distance is 100 meters at the 10 Mbps speed setting.

Wiring & Installation:

Q: What type of cable and termination is required for the CC-Link network?

A: CC-Link dedicated shielded cable is required, terminated with a matching terminal resistor.

Troubleshooting & Compatibility:

Q: What does the L-ERR indicator on the front panel signify?

A: The L-ERR LED indicates an error on the CC-Link network, such as a wire break or station error.

Replacement & Upgrades:

Q: Is the QJ61BT11N compatible with older CC-Link Version 1 devices?

A: Yes, this module is compatible with both CC-Link Version 1 and Version 2 devices.