Autonics EP50 Series User manual

-|Transparent Guide|-
TCD210034AB
50 mm Diameter Absolute
Single-Turn Rotary Encoders
(Optical)
EP50 Series
PRODUCT MANUAL
For your safety, read and follow the considerations written in the instruction
manual, other manuals and Autonics website.
󹃑


Features
󹮭 󹮭󹮭󹮭󹮳󹮭󹮭󹮭󹮭󹮭
󹮭 󹮭󹮭󹮭󹮷󹮭󹮳󹮭󹮳󹮭󹮭
󹮭 󹮭󹮷󹮭󹮭󹮭󹮴󹮭󹮱󹮭󹮲
󹮭 󹮭󹮭󹮭󹮱󹮭󹮲
Safety Considerations
• 
• 
᜸ Warning 
01. Fail-safe device must be installed when using the unit with machinery that
may cause serious injury or substantial economic loss. (e.g. nuclear power
control, medical equipment, ships, vehicles, railways, aircraft, combustion
apparatus, safety equipment, crime / disaster prevention devices, etc.)
󹃑
02. Do not use the unit in the place where 󹃓ammable / explosive / corrosive gas,
high humidity, direct sunlight, radiant heat, vibration, impact or salinity
may be present.
󹃑
03. Install on a device panel to use.
󹃑
04. Do not connect, repair, or inspect the unit while connected to a power
source.
󹃑
05. Check ‘Connections’ before wiring.
󹃑
06. Do not disassemble or modify the unit.
󹃑
᜸ Caution 
01. Use the unit within the rated speci󹃒cations.
󹃑
02. Do not short the load.
󹃑
03. Do not use the unit near the place where there is the equipment which
generates strong magnetic force or high frequency noise and strong
alkaline, strong acidic exists.

Cautions during Use
• 

• 

• 

• 
• 

• 

• 


• 
󹃑

- Pollution degree 2
- Installation category II

-|Transparent Guide|-
Connections
• 
• 
• 
• 

• N·C: not connected
■BCD code ■Binary / Gray code
Color Function Refer
White +V 
Black 
Brown 20
Red 21
Orange 22
Yellow 23
Blue 20× 10
Purple 21× 10
Gray 22× 10
White / Brown 23× 10 TP1

White / Red 20× 102TP2

White / Orange 21× 102EP

White / Yellow 22× 102
White / Blue 23× 102
White / Purple 20× 103
Shield  Signal shield
Color Function Refer
White +V 
Black 
Brown 20
Red 21
Orange 22
Yellow 23
Blue 24
Purple 25
Gray 26
White / Brown 27TP1

White / Red 2TP2

White / Orange 29EP

White / Yellow N·C
White / Blue N·C
White / Purple N·C
Shield  Signal shield
Product Components
• Product
• Instruction manual
• 
• Coupling × 1
• Bracket × 2
Cautions during Installation
• 
󹃑
• 
• 

• 󹃑
• 


• 
Ordering Information

󹃑
EP50 S 8 - ❶-❷ ❸ -❹-❺
❶ Resolution


❹ Control output
N: NPN open collector output
P: PNP open collector output
❷ Output code
1: BCD code
2: Binary code

❺ Power supply


❸ Rotating direction






Output Waveform
• 

■BCD code output
20
21
22
23



23× 102
20× 103
012345679 1023102210211020
TS
■Binary code output ■Gray code output
20
21
22
23



2
29
012345679 1023102210211020
TS
20
21
22
23



2
29
012345679 1023102210211020
TS
Inner Circuit
• 
• 󹃑
■PNP open collector output ■NPN open collector output

CIRCUIT
LOAD 
CIRCUIT
LOAD
Power supply 

Current consumption 
Insulation resistance 
Dielectric strength 
Vibration 

Shock 
Ambient temp. 
Ambient humi. 
Protection rating IP65 (IEC standard)
Connection 
Cable spec. 01) 
Wire spec. 
󹮭󹮲󹮴󹮭󹮭󹮭󹮭󹮭󹮭󹮭󹮭󹮭󹮵
Speci󹃒cations
Model EP50S8-▭-□□-N-□ EP50S8-▭-□□-P-□
Resolution 01) 
Output code 
Control output NPN open collector output PNP open collector output
󹃒  -
Residual voltage  -
󹃒 -
Output voltage -
Response speed 02) Ton󹃐
Max. response freq. 
Max. allowable
revolution 03) 
Starting torque 
Inertia moment 2(4 × 10-6 kg·m2)
Allowable shaft load 
Unit weight
(packaged) 
Approval 




resolution × 60 sec]

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Transparent Guide|-
Dimensions
•
4-M4 DP 10
Ø 50
Ø 30
10
15 56
3
70
■Bracket ■Coupling
11
3
Ø 1925
4-M4
0
•
•
•
Resolution BCD codeBinary code Gray code
1024
720
512
360
256
90
64
45
40
32
24
20
16
12
10
6
Output Phase / Output Angle
•
•
•