Mitsubishi Electric MELSEC-LD77MS2 User Manual page 59

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Table of Contents

Relatively safe

(Error other

(Stop group 3)

group 1 or 2)

Intentional stop

(Stop group 3)

"Stop" input

(Note-1): If an error occurs in a positioning data due to an invalid setting value, when the continuous positioning control uses multiple

positioning data successively, it automatically decelerates at the previous positioning data. It does not stop suddenly even the

setting value is sudden stop in stop group 3. If any of the following error occurs, the operation is performed up to the positioning

data immediately before the positioning data where an error occurred, and then stops immediately.

• No command speed (Error code: 503)

• Outside linear movement amount range (Error code: 504)

• Large arc error deviation (Error code: 506)

• Software stroke limit + (Error code: 507)

• Software stroke limit - (Error code: 508)

• Sub point setting error (Error code: 525)

• End point setting error (Error code: 526)

• Center point setting error (Error code: 527)

• Outside radius range (Error code: 544)

• Illegal setting of ABS direction in unit of degree (Error code: 546)

(Note-2): The failure during the test mode occurs in the following case.

• When the communication cannot be executed between the personal computer and the PLC CPU

Provide the emergency stop circuits outside the servo system to prevent cases

where danger may result from abnormal operation of the overall system in the event

of an external power supply fault or servo system failure.

Deceleration stop/sudden stop

(Select with "

Stop group 3 sudden stop

Chapter 1 Product Outline

Stop process

Manual control

Deceleration