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Appendix - 59
Appendices
(2) Differences of function
(a) Added functions
Functions Remarks
Driver communication function (SSCNET /H) Refer to Section 14.9.
QD75MH initial value setting function Refer to Section 14.14.
Hot line forced stop function Refer to Section 14.15.
Compatible with servo driver VCII series manufactured by
Nikki Denso Co., Ltd.
Refer to Appendix 6.1.
Compatible with inverter FR-A700 series Refer to Appendix 6.2.
Synchronous encoder via servo amplifier
Refer to "MELSEC-Q/L
QD77MS/QD77GF/LD77MS/LD77MH
Simple Motion Module User's Manual
(Synchronous Control)".
(b) Changed functions
Function Description
Specification
QD77MS2 QD77MS4 QD77MS16 LD77MH4 LD77MH16
Input signal [X0]
Signal name READY LD77 READY
Driver communication
function
Function name Driver communication function Master-slave operation function
[Pr.7] Bias speed at start
Range of setting
value
<Setting unit is PLS>
0 to 1000000000 [PLS/s]
<Setting unit is PLS>
0 to 50000000 [PLS/s]
[Pr.8] Speed limit value
Range of setting
value
<Control unit is PLS>
1 to 1000000000 [PLS/s]
<Control unit is PLS>
1 to 50000000 [PLS/s]
[Pr.22] Input signal logic
selection
Range of setting
value
No limitation
b4: Only the value specified
against the axis 1 is valid
[Pr.24] Manual pulse
generator
/Incremental
synchronous
encoder input
selection
Range of setting
value
0: A-phase/B-phase multiplied by 4
1: A-phase/B-phase multiplied by 2
2: A-phase/B-phase multiplied by 1
3: PLS/SIGN
0: A-phase/B-phase multiplied by 4
2: A-phase/B-phase multiplied by 1
3: PLS/SIGN
[Pr.31] JOG speed limit
value
Range of setting
value
<Control unit is PLS>
1 to 1000000000 [PLS/s]
<Control unit is PLS>
1 to 50000000 [PLS/s]
[Pr.46] OPR speed
Range of setting
value
<Control unit is PLS>
1 to 1000000000 [PLS/s]
<Control unit is PLS>
1 to 50000000 [PLS/s]
[Pr.47] Creep speed
Range of setting
value
<Control unit is PLS>
1 to 1000000000 [PLS/s]
<Control unit is PLS>
1 to 50000000 [PLS/s]
[Pr.80] External input signal
selection
Range of setting
value
0: External input signal of QD77MS
QD77MS2 QD77MS4
1: External input signal of servo amplifier
2: Buffer memory of QD77MS
3: External input signal 1 of QD77MS
QD77MS16
4: External input signal 2 of QD77MS
QD77MS16
5: External input signal 3 of QD77MS
QD77MS16
6: External input signal 4 of QD77MS
QD77MS16
1: External input signal of servo
amplifier
2: Buffer memory of LD77MH
[Pr.89] Manual pulse
generator/
Incremental
synchronous
encoder input type
selection
Default value
1: Voltage-output/open-collector type 0: Differential-output type