Festo EMMS-ST, Operating Instructions

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Instruction manual for drive unit, gear unit and mounting kit
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8 Electrical installation
WARNING!
Risk of injury due to electric shock.
• Switch off the power supply during mounting and installation work.
Cancelling the controller enable signal is not sufficient.
Connect lines
Requirement
–
Select accessories è www.festo.com/catalogue.
– Observe permissible cable length and conductor cross section
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– Use screened cables.
1. Plug the cables into the appropriate plugs.
2. Connect the cables to the servo drive.
Instructions for servo drive and cable
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Plug, M12, 8-pin, A-
coded, socket Pin Function Description
Servo motor EMMS-ST-28
1 A String A
2 A/ String A/
3 B String B
4 B/ String B/
5 – not connected
6 – not connected
Holding brake EMMS-ST-28 -... B
7 BR+ Holding brake control:
–
24 V DC (21.6 … 26.4 V DC): open (ven-
ted)
– 0 V DC: closed (retracted)
8 BR– Holding brake, reference potential 0 V
– FE Housing for supporting the cable screening
Tab. 3 EMMS-ST-28: plug for motor and holding brake
Plug, Sub-D, 9-pin,
pins Pin Function Description
Servo motor EMMS-ST-42/57
1 A String A
2 A/ String A/
3 B String B
4 B/ String B/
5 – not connected
6 – not connected
Holding brake EMMS-ST-42/57-...B
7 BR+ Holding brake control:
–
24 V DC (21.6 … 26.4 V DC): open (ven-
ted)
– 0 V DC: closed (retracted)
8 BR– Holding brake, reference potential 0 V
9 – not connected
– FE Housing for supporting the cable screening
Tab. 4 EMMS-ST-42/57: plug for motor and holding brake
Plug, Sub-D, 15-pin,
pins Pin Function Description
Servo motor EMMS-ST-87
1 A String A
2 A String A
3 A/ String A/
4 A/ String A/
5 B String B
6 B String B
7 B/ String B/
8 B/ String B/
9 – not connected
10 – not connected
Holding brake EMMS-ST-87-...B
11 BR+ Holding brake control:
–
24 V DC (21.6 … 26.4 V DC): open (ven-
ted)
– 0 V DC: closed (retracted)
12 BR– Reference potential 0 V
13 – not connected
Plug, Sub-D, 15-pin,
pins Pin Function Description
14 – not connected
15 – not connected
– FE Housing for supporting the cable screening
Tab. 5 EMMS-ST-87: plug for motor and holding brake
Plug, M12, 8-pin, A-
coded, pin Pin Function Description
Incremental encoder, EMMS-ST-...-...E...
1 A
2 /A
A-track signal, RS485-compliant, differential
3 B
4 /B
B-track signal, RS485-compliant, differential
5 GND Reference potential 0 V
6 N
7 /N
N-track signal, RS485-compliant, differential
8 VCC Supply voltage 5 V
1)
– FE Housing for supporting the cable screening
1) Short circuit proof, max. load 100 mA
Tab. 6 Plug for encoder
9 Commissioning
9.1 Safety
WARNING!
Risk of injury due to unexpected movement of components.
• When releasing the holding brake, secure the driven mechanical system to
prevent unintended movement.
• Deenergise the motor before releasing the holding brake manually.
• Before setting the enable signal, protect the traversing range of the driven
mechanical system from access.
High voltage loss in the motor cable can result in the permissible operating
voltage of the holding brake being undershot.
•
Observe permissible cable length and conductor cross section
è
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9.2 Performing commissioning
1. Commission the motor in combination with a suitable servo drive.
Instructions for servo drive è www.festo.com/sp.
2. Check function and holding torque of the holding brake.
For the grinding-in process of the brake system, briefly close the holding
brake at low speed, e.g. 3 s at 100 rpm.
10 Operation
WARNING!
Danger of burns from hot housing surfaces.
Metallic housing parts can reach high temperatures during operation.
Contact with metal housing parts can cause burn injuries.
•
Do not touch metallic housing parts.
• After the power supply is switched off, let the device cool down to room tem-
perature.
• Check the function and holding torque of the holding brake at regular inter-
vals.
If the holding torque is reduced, close the holding brake briefly at low speed,
e.g. 3 s at 100 rpm.
11 Maintenance
11.1 Disassembly
WARNING!
Risk of injury due to electric shock.
• Switch off power supply prior to assembly and installation work; ensure that
it is off and secure it against being switched back on.
Cancelling the enable signal is not sufficient.
WARNING!
Risk of injury due to unexpected movement of components.
• Bring moving parts of the connected mechanical system into a secure posi-
tion (e.g. for vertical installation, move the slide into the lower end position).
• Only then should you disconnect the motor from the mechanical system.
11.2 Cleaning
Before cleaning, the product must be cooled down to below 40°C.
Clean the outside of the product with a soft cloth as required. Cleaning agents
include all non-abrasive media.