Orientation Specifications; Standard Specifications; Load Shaft Encoder Specifications - YASKAWA VS-626M5 Instruction Manual

Vector-controlled inverter drives with power regenerative function for machine tools
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8.3 Orientation Specifications

This section explains the specifications for devices required for encoder orientation.

8.3.1 Standard Specifications

The following table shows the standard specifications for encoder orientation.
Item
Positioning Method
Positioning Detection Method
Stop Position (See *1.)
Stop Position Repeat Accuracy (See *1.)
Resistance Torque (See *1.)
Orientation Card
Encoder Model
* 1. Excludes functional deviation, such as backlash and eccentricity.
* 2. The origin is obtained using the number of offset pulses set in constant memory from the rising edge of the Encoder phase-C
pulse during forward rotation.
* 3. The continuous rated torque may not be output depending on the gain setting. Also, displacement may be larger for rapid load
variations.

8.3.2 Load Shaft Encoder Specifications

The load shaft encoder specifications are shown in the following table.
Item
Model
−1
Maximum Speed (min
) (See note.)
Power Supply
Number of Pulses
Output
Maximum Response Frequency
Accumulative Pitch Error
Pitch Error
Input Shaft Inertia
Input Shaft Torque
Input Shaft Tolerance Load
Construction
Output Connectors
Weight
Operating Temperature Range
Humidity
Table 8.1
Standard Specifications
Load Shaft Encoder
Absolute or incremental
Main shaft angle detection using a load shaft or motor encoder phase-A, -B, and -C pulses
Positioning to the position set internally or via external reference, using the load shaft origin (see
*2) as standard. Angle resolution is 0.088_ (= 360_/4096)
±0.2_ Max.
Continuous rated torque/±0.1_ displacement (See *3.)
Code number: ETC62613X
NE-1024-2MDF-068 (Load shaft mounted)
Table 8.2
Load Shaft Encoder Specifications
NE-1024-2MDF-068-11
6,000
5 VDC ±5%, 350 mA
Phases A and B: 1,024 pulses/rotation
Phase C: 1 pulse/rotation
Symmetrical output using a line driver for all phases in common
AM26LS31
200 kHz
Within 20% of phase-A and phase-B signal cycle
Within 10% of phase-A and phase-B signal cycle
−3
2
170 x 10
kgfScmSs
max.
1 kgfScm max.
Thrust: 5 kg (11 lb) max (stopped), 10 kg (22 lb) max. (operating)
Radial: 10 kg (22 lb) max (stopped), 20 kg (44.1 lb) max. (operat-
ing)
IP = 54 (connectors facing downwards)
Main Unit: 97F3102E20-29P
Cable: MS3106A20-295
Manufactured by DDK
1 kg (2.2lb)
0 to 60°C (32 to 140°F)
85% max. (with no condensation)
Not used
UTMSI-10AAG (Built-in motor encoder)
Details
NE-1024-2MDF-068-12
8,000
8 -5
8.3 Orientation Specifications
Motor Encoder
UTMSI-10AAG
10,000
SN75158
Phases A and B: 188 kHz
Phase C: 183 kHz
−1
(11,000 min
)
Within 50% of phase-A and
phase-B signal cycle
Within 12.5% of phase-A and
phase-B signal cycle
−3
2
58.7 x 10
kgfScmSs
---
---
Main shaft mounted
Main Unit: MLR-12 model
Cable: MLP-12 model
Manufactured by Nihon Crimp
(KK)
0.33 kg (0.728 lb) (Encoder
disk)
10% to 95% (with no condensa-
tion)
8

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