Drehgeber RE12｜NIDEC COMPONENTS EUROPE GmbH

Drehgeber RE12

RE12A

RE12A

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Small size, high resolution and low cost

φ12 mm, High resolution up to 300 P/R
Cost effective
Two bearing types to choose from;
Sleeve bearing or ball bearing
Low torque, low inertia
RoHS compliant

PART NUMBER DESIGNATION

RE12	A-	100-	100-	1
Series name	Bearing A：Ball bearing C：Sleeve bearing	Resolution (P/R) 100, 200, 300	Output phase：“A” Input voltage : 5 V No AMP	Output connection 1：Cable wire

RE12

A-

100-

Series name

Bearing

A：Ball bearing
C：Sleeve bearing

Resolution (P/R)

100, 200, 300

Output phase：“A”

Input voltage : 5 V

No AMP

Output connection

1：Cable wire

LIST OF PART NUMBERS

Part number	Bearing	Resolution
RE12A-100-100-1	Ball Bearing	100 P/R
RE12A-200-100-1	Ball Bearing	200 P/R
RE12A-300-100-1	Ball Bearing	300 P/R
RE12C-100-100-1	Sleeve Bearing	100 P/R
RE12C-200-100-1	Sleeve Bearing	200 P/R
RE12C-300-100-1	Sleeve Bearing	300 P/R

ELECTRICAL CHARACTERISTICS

Resolution	100・200 P/R	300 P/R
Photo-sensor maximum current	50 mA maximum (at 25 °C)
Output wave form	Quasi-sinusoidal
Output signal　※１	150 mVp-p minimum	100 mVp-p minimum
Output signal amplitude variation ※２	40 % maximum	50 % maximum
Light source	LED

※1：Measured at CP1 as per the Fig. A of ‘MEASUREMENT CIRCUIT’ on the following page. (3 kHz)
※2 : Measured at CP2 as per the Fig. A of ‘MEASUREMENT CIRCUIT’ on the following page. (3 kHz)

⦿MEASUREMENT CIRCUIT

Mechanical characteristics

Starting torque	Ball bearing	0.05 mN·m {0.5 gf·cm} maximum
Starting torque	Sleeve bearing	0.4 mN·m {4 gf·cm} maximum
Inertia		0.01 g·cm²maximum
Shaft loading	Radial	1.96 N {200 gf} maximum
Shaft loading	Axial	4.9 N {500 gf} maximum
Net weight		Approx. 10 g

Environmental characteristics

Operating temp. range	−10 ~ 50 °C
Storage temp.range	−20 ~ 80 °C
Protection grade	IP40

Output signal level & Amplitude variation

⦿ Criteria

項目	100・200 P/R	300 P/R	Measurement point
Output signal level	S min ≧ 0.13 V	S min ≧ 0.08 V	CP1 in ‘MEASUREMENT CIRCUIT’
Amplitude variation	(S max / S min – 1) × 100 ≦ 45 %	(S max / S min – 1) × 100 ≦ 55 %	CP2 in ‘MEASUREMENT CIRCUIT’

⦿ MEASUREMENT CIRCUIT

RELIABILITY TEST

Test item		Test conditions
Vibration	Power OFF	Amplitude : 1.52 mm or 98.1 m/s²(10 G) whichever is smaller. 10 ~ 500 Hz excursion 5 min/cycle, 1 hour each for X, Y, Z, directions.
Shock	Power OFF	1 time each in 6 directions (X, Y, Z) at 490 m/s² (50 G), 11 ms.
High temperature exposure	Power OFF	80 °C 96 h	(To be measured after leaving samples for 1 h at normal temperature and humidity after the test.)
High temperature exposure	Power ON	50 °C 96 h
Low temperature exposure	Power OFF	− 20 °C 96 h
Low temperature exposure	Power ON	− 10 °C 96 h
Humidity	Power OFF	40 °C Relative humidity 90 〜 95 % 96 h (To be measured after wiping out moisture and leaving samples for 1 h at normal temperature and humidity after the test.)
Thermal shock	Power OFF	To be done 10 cycles with the following condition (To be measured after leaving samples for 1 h at normal temperature and humidity after the test.) 80 °C　1 h、-20 °C　1 h