Item | Specifications |
LD77MS16 | LD77MS4 | LD77MS2 |
Servo amplifier connection system | SSCNET III/H (1 system) |
Maximum overall distance [m(ft.)] | SSCNET III/H : 1600 (5249.34), SSCNET III : 800 (2624.67) |
Maximum distance between stations [m(ft.)] | SSCNET III/H : 100 (328.08), SSCNET III : 50 (164.04) |
PERIPHERAL I/F | Via CPU module (USB, Ethernet) |
| External input signal/
Switching signal (CHG) | Number of input points | 4 points | 2 points |
Input method | Positive common/Negative common shared (Photocoupler) |
Rated input voltage/Rated input current | 24 VDC/Approx. 5 mA |
Operating voltage range | 21.6 to 26.4 VDC (24 VDC ±10 %, ripple ratio 5 % or less) |
ON voltage/current | 17.5 VDC or more/3.5 mA or more |
OFF voltage/current | 5 VDC or less/0.9 mA or less |
Input resistance | Approx. 5.6 kΩ |
Responce time | 1 ms or less |
Recommended wire size | AWG24 (0.2 mm²) |
Forced stop input signal (EMI) | Number of input points | 1 point (EMI) |
Input method | Positive common/Negative common shared (Photocoupler) |
Rated input voltage/Rated input current | 24 VDC/Approx. 2.4 mA |
Operating voltage range | 20.4 to 26.4 VDC (24 VDC +10 %/-15 %, ripple ratio 5 % or less) |
ON voltage/current | 17.5 VDC or more/2.0 mA or more |
OFF voltage/current | 1.8 VDC or less/0.18 mA or less |
Input resistance | Approx. 10 kΩ |
Responce time | 1 ms or less |
Recommended wire size | AWG24 (0.2 mm²) |
Manual pulse
generator/
Incremental synchronous
encoder signal | Signal input form |
Phase A/Phase B (magnification by 4/magnification by 2/magnification by 1),
PLS/SIGN
|
Differential-
output type | Input frequency | Up to 1 Mpps (After magnification by 4, up to 4 Mpps) |
High-voltage | 2.0 to 5.25 VDC |
Low-voltage | 0 to 0.8 VDC |
Differential-voltage | ±0.2 V |
Cable length [m(ft.)] | Up to 30 (98.43) |
Voltage-output/
Open-collector type (5 VDC) | Input frequency | Up to 200 kpps (After magnification by 4, up to 800 kpps) |
High-voltage | 3.0 to 5.25 VDC |
Low-voltage | 0 to 1.0 VDC |
Cable length [m(ft.)] | Up to 10 (32.81) |
Number of I/O occupying points | 32 points (I/O allocation: intelligent function module: 32 points) |
Number of module occupied slots | 2 |
5VDC internal current consumption [A] | 0.7 | 0.55 |
Mass [kg] | 0.22 |
Exterior dimensions [mm(inch)] | 90.0 (3.54) (H) × 45.0 (1.77) (W) × 95.0 (3.74) (D) |