Festo ERMO Manuel utilisateur

en Operating

instructions

8076313

2017-11a

[8076315]

Rotary drive

ERMO

2Festo – ERMO – 2017-11a

Translation of the original instructions

Symbols: Installation and commissioning may only be per

formed in accordance with these instructions by

technicians with appropriate qualifications.

Warning

Caution

Note

Environment

Accessories

English 3.........................................................................

ERMO

Festo – ERMO – 2017-11a English 3

English – Rotary drive ERMO

Table of contents

1 Configuration 4............................................................

2 Safety 5..................................................................

2.1 Intended use 5.............................................................

2.2 General safety information 5..................................................

2.3 Mounting and connecting 5...................................................

2.4 Qualification of specialized personnel 5.........................................

3 Function 5................................................................

4 Transport 6...............................................................

5 Installation 6..............................................................

5.1 Installation, mechanical 6....................................................

5.1.1 Mount drive 7.....................................................

5.1.2 Mount attachment component 8......................................

5.1.3 Mount accessories 8................................................

5.2 Installation, electric 9.......................................................

6 Commissioning 11...........................................................

7 Maintenance 12.............................................................

8 Disassembly and repair 12....................................................

9 Disposal 12................................................................

10 Accessories 12..............................................................

11 Fault clearance 13...........................................................

12 Technical data 14............................................................

12.1 Mechanical data 14..........................................................

12.2 Electrical data 15............................................................

13 Characteristic curves 15......................................................

ERMO

4 Festo – ERMO – 2017-11a English

Documentation on the product

For all available product documentation èwww.festo.com/pk

1 Configuration

ERMO-25/32 ERMO-12/16

264531

1Thread/centring holes for attachment

components

2Rotating plate

3Thread for mounting

4Motor

5Connection for the motor/holding brake

6Encoder connection

7Thread for proximity sensor (reverse side)

8Thread for mounting

Fig. 1

Note

You receive specially preconfigured drive and controller combinations with the OMS

system (Optimized Motion Series èwww.festo.com).

ERMO

Festo – ERMO – 2017-11a English 5

2 Safety

2.1 Intended use

The ERMO rotary drive in combination with the controllers CMMO-ST or CMMS-ST is intended for swivel

ling payloads (permissible controller èwww.festo.com/catalogue). The product is intended for use in

industrial environments. Measures for interference suppression may need to be implemented in resid

ential areas.

2.2 General safety information

 Take into consideration the legal regulations applicable for the location.

 Only use the product if it is in its original status and in an excellent technical status.

 Use the product only within the defined values (è12 Technical data and 13 Characteristic curves).

 Take into account the labelling on the product.

 Do not make any unauthorised modifications to the product.

 Observe other applicable documents.

 Take into consideration the ambient conditions at the location of use.

 Protect the product during storage and operation from damaging influences. These influences in

clude:

– Wetness or moisture

– Corrosive coolant or other materials (e.g. ozone)

– UV radiation

– Oils, greases and grease-solvent vapours

– Grinding dust

– Glowing chips or sparks

2.3 Mounting and connecting

 Observe tightening torques. Unless otherwise specified, the tolerance is ± 20 %.

2.4 Qualification of specialized personnel

Only qualified personnel may perform installation, commissioning, maintenance and disassembly of the

drive. The qualified personnel must be familiar with installation and operation of electrical control sys

tems.

3 Function

The rotation of the motor is transferred over a helical gear unit to the rotary table. The reference posi

tion of the rotary table can be detected with the help of accessories (è5.1.3 Mount accessories).

ERMO

6 Festo – ERMO – 2017-11a English

4 Transport

Note

The rotary drive without holding brake is not braked in the de-energised status and can

move unexpectedly. Prevent an accidental rotary movement:

 Use motors with integrated holding brake (only available with ERMO-16 … 32

èwww.festo.com/catalogue).

 Take product weight into account (è12 Technical data).

5 Installation

WARNING

In case of external movement of the rotary table, open electrical connections can con

duct dangerous voltage potentials (generator principle).

 Move the rotary table only with cabled connections.

5.1 Installation, mechanical

Requirements

Note

Loss of the homing position with:

– dismounting of the motor (e.g. turning of the motor)

After this, for ERMO with order variant OMS (Optimized Motion Series), the index

signal must be adjusted again to the reference switch. This adjustment is possible

via the FCT (Festo Configuration Tool).

– replacement of reference switch

– position change of stop

 After completion of mounting, start homing (è6 Commissioning).

 Do not modify the screws and threaded pins.

Exception: Direct request in these operating instructions to make changes.

 Connect motor cables only after the drive is mounted.

ERMO

Festo – ERMO – 2017-11a English 7

Mounting position, vertical or diagonal

WARNING

Uncontrolled payload if there is a power failure.

Injury due to electric shock, impact, or pinching.

 For eccentric attachment components, use only motors with holding brake.

 Check whether safety measures are required to prevent falling (e.g. toothed latches,

bolts or emergency buffer).

Take appropriate measures, if necessary.

5.1.1 Mount drive

Requirements

 Place the product in such a way that its control sections are accessible (e.g. proximity sensors).

Interfaces for mounting components to the profile

On the side From the front/rear

Fig. 2

 Select mounting components or accessories (èwww.festo.com/catalogue).

 Make sure that mounting components are outside the positioning range.

 Fasten the drive.

 Tighten screws evenly.

Size 12 16 25 32

Screw M4 M5 M6 M8

Tightening torque [Nm] 3 5 8 24

Centring hole [mm] @7H7 @7H7 @9H7 @12H7

Max. screw-in depth

(Side mounting)

[mm] 7 8 9.5 15

Tab. 1

ERMO

8 Festo – ERMO – 2017-11a English

5.1.2 Mount attachment component

 Fasten the attachment component to the rotary table with

screws and centring sleeves. Observe maximum screw-in depth

and tightening torque (èTab. 2).

Fig. 3

Size 12 16 25 32

Screw M3 M4 M5 M5

Max. screw-in depth [mm] 7 8 8.5 10

Tightening torque [Nm] 1 3 5 5

Centring

Screw drill hole [mm] @5H7 @7H7

Central drill hole [mm] @12H8 @12H8 @15H8 @20H8

Tab. 2

5.1.3 Mount accessories

For use of the proximity sensors as reference switches:

Select proximity sensors corresponding to the input logic of the

used controller (PNP/NPN) (èwww.festo.com/catalogue).

 Mount proximity sensors:

1. Loosen threaded pin 1of the clamping component and remove

both.

2. Turn rotary table slowly until the marking 3has reached the

position below the drill hole of the threaded pin 1.

As a result, the screw head for the switch contact in the

threaded hole is visible.

3. Screw the proximity sensor 2into the thread up to the stop on

the screw head.

4. Unscrew the proximity sensor approx. 1.5 turns.

This results in a distance of 1.5 mm to the screw head of the

switch contact.

5. Tighten threaded pin in the clamping component (ß2.5 mm).

Tightening torque:

– ERMO-12: 0.2 Nm,

– ERMO-16/25/32: 0.8 Nm.

Fig. 4

ERMO

Festo – ERMO – 2017-11a English 9

5.2 Installation, electric

Note

If unused plug connectors are touched, there is a danger that damage may occur to the

ERMO or to other parts of the system as a result of electrostatic discharge (ESD).

 To avoid such discharges: Use protective caps on unused ports.

Note

To ensure compliance with EMC safety:

The maximum length of the individual cables should not exceed 30 m.

1. Switch off power to the controller and secure it from being restarted accidentally.

Cancelling the enable signal on the controller is not sufficient.

2. Wire the motor to the controller in accordance with the following tables.

The pre-assembled cables from Festo offer sufficiently large cable cross-sections as well as screen

ing of the motor/encoder cable with earth contact on both sides (è10 Accessories).

Motor connection/holding brake: round plug (8−pin)/Sub-D plug connector (9−pin, 5èFig. 1)

Pin Allocation ERMO-12/16 ERMO-25/32

1String A

2String A/

3String B

4String B/

5 n.c.

6 n.c.

7Holding brake +24 V1)

8Holding brake GND1)

9 n.c.

1) Only for motors with holding brake ERMO−16/25/32−ST-EB

Tab. 3

ERMO

10 Festo – ERMO – 2017-11a English

Encoder connection: round plug (8−pin, 6èFig. 1)1)

Pin Allocation ERMO-12/16/25/32

1Signal trace A

2Signal trace A/

3Signal trace B

4Signal trace B/

5GND encoder

6Signal trace N

7Signal trace N/

8VCC auxiliary supply 5 V

1) Only for motors with encoder ERMO−...−ST-E

Tab. 4

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