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REV 1.0.2
Akribis Systems Pte Ltd
Blk 5012 Techplace II #01-05 Ang Mo Kio Avenue 5
Singapore 569876
Tel: +65 6484 3357 Fax: +65 6484 3361
RCB Reg No: 200410879N GST Reg No: 20-0410879-N
Step 1: Ensure software version of Mitsubishi MR-J4 servo amplifier is version C2.
The version can be check under
Diagnosis > System Configuration
of MELSOFT MR Configurator 2 Software
NOTE: ITF-21-BISS-MIT is only supported by two series of MR-J4 servo amplifier: MR-J4-_B-RJJ001 and
MR-J4-_B-RJJ021
Step 2: Ensure firmware of ITF-21-BISS-MIT can support the BiSS C encoder used. The firmware setting of ITF-21-
BISS-MIT in default supports 22-bit rotary BiSS C encoder and Mitsubishi 2 wire (half duplex) communication.
To use ITF-21-BISS-MIT with other number of bits of position data of rotary BiSS C encoder or Mitsubishi 4 wire
(full duplex) communication, user need to configure the setting of ITF-21-BISS-MIT with PC software accordingly
via USB-C.
section for setting configuration. To get the PC software, please contact Akribis System
sales. The detail of setting supported can be found in
Step 3: Prepare the necessary cables as shown in
and connect them accordingly as per
Schematic of Typical Application
Step 4: Configure MR-J4 Driver settings accordingly.
Step 5: If red LED turns on and MR-J4 alarm is triggered, it means Mitsubishi alarm and ITF-21-BISS-MIT alarm is
triggered.
The alarm number is corresponded to the alarm number shown in
Mitsubishi Alarm Information (ALMC)
Mitsubishi Serial Interface section.
If red LED turns on but MR-J4 alarm does not triggered, it means ITF-21-BISS-MIT alarm triggered. Refer to
for detail explanation of ITF-21-BISS-MIT alarm error.
The root causes of all these alarms can be checked with PC software, Interface Adapter Configurator. Refer to
diagnostic part of
