- Solid mechanical construction
- Protection to IP 65, IP 66
- Electronic preset
- SMD technology

Absolut Manual Encoder MEA 70 SSI
Manual pulse generator with magnetic click-stop with Absolute Encoder, Single-turn or Multi-turn
Resolution
Resolution (Steps/360°):
4096 = 12 bit | 8192 = 13 bit | 65536 = 16 bit |
Measuring range
Measuring range
Single-Turn | 1 turn |
Multi-Turn | 4096 turns = 12 bit |
16384 turns = 14 bit |
Type explanation
MEA70 EAM57-30G-30-D-SC12
Encoder type | Absolute |
Case diameter | ø 58 mm |
Number of bits | 12 = 12 bits x 1 turn |
13 = 13 bits x 1 turn | |
16 = 16 bits x 1 turn | |
24 = 12 bits x 4096 turns | |
25 = 13 bits x 4096 turns | |
28 = 16 bits x 4096 turns | |
26 = 12 bits x 16384 turns | |
27 = 13 bits x 16384 turns | |
30 = 16 bits x 16384 turns | |
Single-turn | Yes |
Multi-turn | Yes |
Electronic adjustment | Yes |
Supply voltage | 30 = 10..30 VDC |
Output driver | D-SSI |
DI | |
Position of connection | R |
S | |
Connector | C12 = 12 pins M23 |
Technical data
Close all lists Open all listsMechanical data
Graduation | 1 - 100 |
Torque | 5 .. 20 Ncm |
shaft loading | ≤ 50 N radial |
≤ 20 N axial | |
Operational life of ball bearings | > 6 x 109 revolutions |
Weight | ≤ 1,5 kg |
Environmental conditions
Vibration | 100 m/s2 (10 ... 1000 Hz) |
Shock | 300 m/s2 (11 ms) |
Operating temperature | -40 ... +85°C |
Storage temperature | -40 ... +85°C |
Atmospheric humidity | ≤ 98% r.h. |
Protection class | IP 65 (DIN 40050/IEC 144) |
IP 66 (optional) |
Electrical data
Scanning type | Optical, without contact |
Transmitter, infrared | LED |
Receiver | Photo-Array |
Scanning frequency LSB | 800 kHz |
Measurement accuracy | ±½ LSB (12 bit) |
± 1 LSB (13 bit) | |
± 2 LSB (16 bit) | |
Supply voltage | Vcc = 10...30 VDC |
Power consumtion | ≤ 90 mA (Vcc = 24 V) |
Electrical connections
SSI | |
Interface | RS485 |
Clock | Optocoupler |
Incremental outputs | |
1024 pulses per revolution | AA+BB/90° RS422 (optional) |
Inputs | |
Rotational direction | CW/CCW |
Electronic adjustment | RESET (optional) |
Connector 12 pins M23
Connection | Signal |
---|---|
Pin 1 | +Vcc |
Pin 2 | 0 V GND |
Pin 3 | Clock+ |
Pin 4 | Data+ |
Pin 5 | RESET 1) |
Pin 6 | Data- |
Pin 7 | Clock- |
Pin 8 | A+ 2) |
Pin 9 | CW/CCW |
Pin 10 | B+ 2) |
Pin 11 | B- 2) |
Pin 12 | A- 2) |
1) optional
2) nur bei Ausgangstreiber "DI"
2) nur bei Ausgangstreiber "DI"
Cable
Wire colour | Signal |
---|---|
White | 0 V GND |
Brown | +Vcc |
Green | Clock+ |
Yellow | Clock- |
Grey | Data+ |
Pink | Data- |
Red | CW/CCW |
Black | RESET 1) |
1) optional
Outline drawing

Version MA 404-611 · Subject to change