External Signal Selection Function - Mitsubishi Electric MELSEC-QD75MH1 User Manual

13 COMMON FUNCTIONS

13.4 External signal selection function

Setting item
External signal
Pr.80
selection
0: External input signal of QD75MH
Axis No.
Axis 1
Axis 2
Axis 3
Axis 4
Refer to the MR-J3- B Instruction Manual for details on the pin No. (servo amplifier).
When the upper/lower limit signal and near point dog signal is connected, either the
external device connector of QD75MH or external input signal of servo amplifier (PIN
No. CN3-2, CN3-12, CN3-19) is selected whether use it.
The details shown below explain about the "External signal selection function".
[1] Parameter setting details
[2] Precautions on parameter setting
[1] Parameter setting details
The use the "External signal selection function", set the parameters shown in the
following table.
Setting
value
Set the external signal selection.
0
The use the "External input signal of QD75MH/servo amplifier", set the Pin No.
shown in the following table.
Pin No. Signal name
1A3
1A2
1A1
2A3
2A2
2A1
3A3
3A2
3A1
4A3
4A2
4A1
[2] Precautions on parameter setting
(1) When external input signal of the servo amplifier is used, the "Count method
1) and 2)" OPR method can not be used as a near-point dog signal. ("Illegal
near-point dog signal error" (error code: 220) occurs when the positioning
starts.)
Setting details
0: External input signal of QD75MH
1: External input signal of servo amplifier
Setting details
1: External input signal of servo amplifier
DOG
RLS
FLS
DOG
RLS
FLS
DOG
RLS
FLS
DOG
RLS
FLS
13 - 7
MELSEC-Q
Buffer memory address
Axis Axis
1 2
32 182 332 482
Pin No.
Signal name
CN3-19
(DI3)
CN3-12
(DI2)
CN3-2
(DI1)
Axis Axis
3 4
DOG
RLS
FLS