*mydirectindustry

MES 25

Product catalog summary

Description: The MES 25 is an optical encoder available in shaft or hollow shaft configurations for various motor shaft sizes. It provides two differential sinus and cosinus output signals for counting and direction information, along with one index channel per revolution. The resolution is determined by counts per revolution (CPR). Power and signals are delivered via a shielded cable.

Performance Features: The encoder is compact, measuring 28.0 mm in diameter and 31.8 mm in length. It features a three-channel differential line driver output, operates on a 5 VDC power supply, and has a maximum output drive capability of 20 mA. The resolution options are 250 or 256 CPR, with a maximum shaft diameter of 6.0 mm. It operates within a temperature range of -20°C to +85°C and a frequency of 500 kHz. The device complies with the EU directive 2011/65/EU (RoHS) and has a protection class of IP65.

Recommended Operating Conditions: The encoder requires a supply voltage between 4.5 and 5.5 VDC and a supply current of 35 to 65 mA without load. It can handle a load capacitance of 100 pF and operates at a count frequency of 500 kHz. The operating temperature range is -20°C to 85°C, with a humidity exposure of up to 90% RH, non-condensing. The output voltage amplitude for Sin+, Sin-, Cos+, and Cos- is between 0.4 and 0.6 VDC, with an output current of 20 mA and short-circuit protection.

Mechanical and Electrical Notes: The maximum allowable axial shaft play is 0.1 mm, and radial shaft play is 0.02 mm. The mounting screw size is M3, with a pitch circle diameter of 36.0 mm. The encoder uses a shielded cable with twisted pairs and tinned ends. The total weight is 60 g, and the moment of inertia for the hub with the code wheel is 13.0 gcm². The protection grade is IP65, and the maximum mechanical speed is 10,000 rpm.

Electrical Interface and Pin-out: The document provides a pin-out description and signal form. Misuse, accidents, modifications, unsuitable environments, or operation outside specified conditions void the warranty. PWB encoders GmbH reserves the right to make changes to products and datasheets.

Ordering Information: The document includes an ordering code and notes that the information is restricted and proprietary to PWB encoders GmbH. Users are responsible for ensuring their applications meet specifications.

Catalog excerpts

Data Sheet MES 25 cable www.pwb-encoders.com precision works better Mini Encoder PWB encoders GmbH Am Goldberg 2 D-99817 Eisenach Germany Phone: +49 3691 72580-0 Fax: +49 3691 72580-29 [email protected] www.pwb-encoders.com PWB encoders GmbH Am Goldberg 2 D-99817 Eisenach Germany [email protected] / www.pwb-encoders.com

Open the catalog to page 1

Data Sheet MES 25 cable www.pwb-encoders.com precision works better Description The MES 25 is a optical encoder. He is available as a shaft or hollow shaft encoder for different sizes of motor shafts. The encoder provides two differential sinus an cosinus output signals for counting and direction information and one index channel (one pulse per revolution). The resolution of the encoder is determined by the number of counts per revolution (CPR). Power supply and signals are provided by a 4x2x0,14mm2 shilded cable with tinned ends. Features Small size: 28.0 mm diameter x 31.8 mm length Quick and...

Open the catalog to page 2

Data Sheet MES 25 cable www.pwb-encoders.com precision works better Recommended operating conditions Electrical Notes Parameter Supply voltage Supply current Load capacitance Count frequency Operating temperature Humidity exposure Sin+, Sin-, Cos+, CosAmplitude output voltage Output current Offset output voltage short-circuit protection depended of VCC I+, I- Channel Amplitude output voltage Output current Offset output voltage Mechanical Notes Parameter Max. allowable axial shaft play of motor Max. allowable radial shaft play of motor Mounting screw size (DIN 84) Pitch circle diameter Shilded...

Open the catalog to page 3

Data Sheet MES 25 cable www.pwb-encoders.com precision works better Mechanic performance: K (shaft) Mechanic performance: C (hollow shaft) PWB encoders GmbH Am Goldberg 2 D-99817 Eisenach Germany [email protected] / www.pwb-encoders.com

Open the catalog to page 4

Data Sheet MES 25 cable www.pwb-encoders.com precision works better Pin-out description Electrical interface Rotation direction clockwise Signal form The guarantee will be voided by misuse, accident, modification, unsuitable physical or operating environment, operation in other than the specified operating environment, or failure caused by a product for which PWB encoders GmbH is not responsible. PWB encoders GmbH reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services also datasheets at any time. PWB encoders GmbH Am Goldberg...

Open the catalog to page 5

Data Sheet MES 25 cable www.pwb-encoders.com precision works better Ordering information Ordering code: PWB encoders GmbH RESTRICTED THIS DOCUMENT AND ANY ASSOCIATED DATA CONTAIN RESTRICTED INFORMATION THAT IS PROPERTY OF PWB encoders GmbH AND MAY NOT BE DISCLOSED OR DUPLICATED FOR OTHERS EXCEPT AS AUTHORIZED BY PWB encoders GmbH INFORMATION CONTAINED IN THIS PUBLICATION MAY BE SUPERSEDED BY UPDATES. IT IS YOUR RESPONSIBILITY TO ENSURE THAT YOUR APPLICATION MEETS WITH YOUR SPECIFICATIONS. PWB encoders GmbH Am Goldberg 2 D-99817 Eisenach Germany [email protected] / www.pwb-encoders.com

Open the catalog to page 6

All PWB encoders GmbH catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

Brand list