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3. SIGNALS AND WIRING
Use of a flat-blade torque screwdriver is recommended to manage the screw tightening torque. The
following table indicates the recommended products of the torque screwdriver for tightening torque
management and the flat-blade bit for torque screwdriver. When managing torque with a Phillips bit,
please consult us.
Product Model Manufacturer/Representative
Torque screwdriver N6L TDK Nakamura Seisakusho
Bit for torque screwdriver B-30, flat-blade, H3.5 X 73L Shiro Sangyo
3.12 Instructions for the 3M connector
When fabricating an encoder cable or the like, securely connect the shielded external conductor of the
cable to the ground plate as shown in this section and fix it to the connector shell.
External conductor Sheath
External conductor
Pull back the external conductor to cover the sheath
SheathCore
Strip the sheath.
Screw
Screw
Ground plate
Cable
3.13 Power line circuit of the MR-J2S-11KA to MR-J2S-22KA
CAUTION
Always connect a magnetic contactor (MC) between the main circuit power supply
and L
1, L2, and L3 of the servo amplifier, and configure the wiring to be able to shut
down the power supply on the side of the servo amplifier’s power supply. If a
magnetic contactor (MC) is not connected, continuous flow of a large current may
cause a fire when the servo amplifier malfunctions.
Use the trouble (ALM) to switch power off. Otherwise, a regenerative transistor
fault or the like may overheat the regenerative resistor, causing a fire.
During power-on, do not open or close the motor power line. Otherwise, a
malfunction or faulty may occur.
POINT
The power-on sequence is the same as in section 5.7.3.