POSITAL FRABA Operating and maintenance instructions

INSTALLATION GUIDE
POSITAL GmbH
Carlswerkstr. 13c, D-51063 Cologne, P.O. Box 80 03 09, D-51003 Cologne
Phone [phone], Fax [phone], www.posital.com, [e-mail]
Installation of the encoder must be completed by a skilled technician or engineer. Failure to comply
with the instructions below will render the ATEX/IECEx certifications INVALID. The encoder may not
be modified by the customer.
1. Insure that power is off.
2. Connect to earth prior to proceeding. Observe precautions for handling ESD (Electro Static
Discharge) sensitive devices.
3. When mounting the Solid Shaft encoder, use either M3, M4, or M6 screws.
4. When installing the Blind Hollow Shaft encoder, check that the encoder fixing
clamp is loose.
5. Slide encoder hollow bore over motor shaft (or other device).
6. Align encoder spring coupling or torque arm mounting hole(s) with motor face
plate hole(s). Insert screws into mounting holes and tighten.
7. Tighten fixing clamp M3 screw (maximum 1.5 Nm (1.12 lbft) torque).
8. Use only EX d certified cable glands (or blind plugs, if no cable is attached) which meet EN/IEC
60079-1 requirements for attaching cable to the encoder. Cable entry threads are M20 x 1,5.
9. Use only shielded cable. Be aware of National Wiring Standards for ATEX environments. For
ambient temperatures below -10o C and above +60o C use field wiring suitable for minimum and
maximum ambient temperatures.
10. Connect encoder Circuit Ground (GND).
11. Connect remaining Output wires to PLC. Then apply power (insure the Supply Voltage is
correct!).
12. If used, safety screws in the cap shall have a minimum yield stress of 450 MPa, class A2-70 or A4-
70.
13. Precautions must be taken to avoid dust from forming layers on the encoder.
14. It is strongly recommended that the original packaging be used for any additional shipping or
transport.

INSTALLATION GUIDE
POSITAL GmbH
Carlswerkstr. 13c, D-51063 Cologne, P.O. Box 80 03 09, D-51003 Cologne
Phone [phone], Fax [phone], www.posital.com, [e-mail]
CAUTION
DO NOT connect encoder when power is on.
DO NOT connect output wires to supply voltage.
DO NOT strike encoder with hammer or any other heavy object.
If encoder is mounted to electrical machinery with high current or high voltage on the shaft,
precautions must be taken for galvanic separation.
Maintenance is not necessary. Any required maintenance or repair is to be done only by the
manufacturer.
Contact Posital office or Posital Distributor with any questions (check www.posital.com for information).
This Installation Guide is valid for encoder type OCE and OCM
For you safety please read this guide carefully.
Failure to follow the instructions in this guide will render the ATEX / IECEx
certifications INVALID.
Certification
I M2 Ex db Mb OCM Mining
II 2 G/D Ex db IIC T5 Gb
II 2 G/D Ex tb IIIC T100°C Db IP 64/65/66/67
Ambient temperatures - 40°C to 70°C
I EC 60079-0 Explosive atmospheres - Part 0:Equipment –General requirements
IEC 60079-1 Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
IEC 60079-31 Electrical apparatus for use in the presence of combustible dust - Part 1: Protection by
enclosures "tD", IP6X
IEC 60529-1991 +A1 Degree of protection provided by enclosure (IP Code)