Festo CAMC-G-S1 Manual De Instrucciones página 6

2.4 Areas of application and certification
The motor controller with build-in safety module is a safety component according
to the EC machinery directive; the motor controller is equipped with the CE mark.
Standards and test values which the product must comply with and fulfil can be
found in the section "Technical data" (
directives can be found in the declaration of conformity.
Certificates and declarations of conformity for this product can be found at
www.festo.com.
3 Product description
3.1 Supported devices
The safety module CAMC-G-S1 can only be used in motor controllers in conformity
with section 1.2. The motor controllers CMMP-AS-...-M3 are delivered without a
safety module in the Ext3 slot.
3.2 Control sections and connections
The safety module CAMC-G-S1 has the following control sections, connections and
display components:
1
1
Motor controller CMMP-AS-...-M3
with Ext3 slot for safety modules
2
Digital I/O-interface [X40] for
control of the STO function
3
Pin 1 of the interface [X40]
Fig. 1 Control section and connections CAMC-G-S1
4 Function and application
The safety module CAMC-G-S1 has the following performance characteristics:
– "Safe Torque Off " (STO) function
– Potential-free acknowledgement contact,
– Designed as a plug-in module that can be plugged in from the outside,
– To be used solely with motor controllers of the series CMMP-AS-...-M3.
4.1 Description of the safety function
The power supply to the drive is safely disconnected with the active safety function
STO "Safe Torque Off ". The drive cannot generate torque and so cannot make any
dangerous movements. There is no monitoring of the standstill position.
The machine must be stopped in a safety-oriented manner, e.g. through a safety
switch device. This applies specifically to vertical axes without automatic-locking
mechanism, clamping unit or counterbalancing.
Note
There is a danger that the drive will advance in case of multiple errors in the
CMMP-AS-...-M3.
If the output stage of the motor controller fails while in the STO status (simultan-
eous short circuit of 2 power semiconductors in different phases), a limited
dwell movement of the rotor may result. The rotation angle / path corresponds
to a pole pitch. Examples:
– Rotary axis, synchronous machine, 8-pin
shaft.
– Linear motor, pole pitch 20 mm
4.2 Control ports STO-A, 0V_A / STO-B, 0V_B [X40]
The safety function STO is requested solely through switching off of the control
voltage (0 V) at the two digital control ports STO-A and STO-B. Safety-oriented
circuitry for additional interfaces at the CMMP-AS...-M3 basic unit is not necessary
or intended.
Cross-circuit detection in the input circuit is not carried out by the safety
module.
Appendix 12). The product-relevant EU
0V
24V
C2
C1
0V-B
STO-B
0V-A
STO-A
4
LED for display of the operating
status (status of functional safety)
5
DIP-switch
(activation/configuration of the
fieldbus-communication in the
motor controller)
movement < 45° at the motor
movement < 20 mm at the moving part.
According to the specification of the safety function, both levels must be identical
at STO-A/B, otherwise an error message will be generated. The finite state
machine in the motor controller internally monitors the driver supply voltage as a
result of activation of the control ports. The level change for both inputs must take
place within the discrepancy time (preset: 100 ms), otherwise an error message
will be generated.
Recommendation: Always switch STO-A and STO-B simultaneously.
Temporary test impulses from safety controls are tolerated and thus do not trigger
the STO function.
4.3 Acknowledgement contact C1, C2 [X40]
The status of the motor controller is reported back to an external safety switch
device through a floating feedback contact (normally open).
The acknowledgement contact is designed as a single channel and may be used
for diagnostic purposes, but not in the safety circuit.
5 Mounting/Dismounting
The safety module CAMC-G-S1 is suitable only for integration into the motor
controller CMMP-AS-...-M3. It cannot be operated outside the motor controller.
The motor controller must be disconnected from all current carrying cables before
mounting and dismounting the safety module.
Warning
Danger of electric shock if the safety module is not mounted.
Contact with conducting parts will cause severe injuries and may result in death.
2
Before touching conducting parts during maintenance, repair and cleaning work
and during long service interruptions:
3
1.Switch off the power to the electrical equipment and secure it against being
switched on again.
4
2.After switching it off, wait at least 5 minutes of discharge time and check that
it is voltage-free before accessing the controller.
5
Note
Incorrect handling can damage the safety module or motor controller.
• Before mounting and installation work, switch off the supply voltage. Switch
on the supply voltage only when the mounting and installation work have
been completely finished.
• Never unplug a module from, or plug a module into the motor controller when
it is powered!
• Observe the handling specifications for electrostatically sensitive devices.
Do not touch the printed circuit board or the pins of the manifold rail in the
motor controller. Hold the safety module only by the front plate or the edge of
the board.
Mounting safety module
1. Insert the safety module CAMC-G-S1
into the empty slot for Ext3 safety
modules so that the board runs in the
lateral guides of the slot.
2. Insert safety module; when the back of
the contact strip within the motor
controller is reached, carefully press it
into the contact strip until it stops.
3. Then screw the safety module with the
two screws onto the front of the motor
controller housing.
Tighten the screws with approx. 0.35 Nm.
Dismounting safety module
1. Unscrew screws on the safety module.
2. Loosen the safety module by lightly levering the front cover or by pulling on
the counterplug by just a few millimetres.
3. Pull the safety module out of the slot.
6 Electrical installation
6.1 Safety instructions
During installation, the requirements of EN 60204-1 must be fulfilled.
Warning
Danger of electric shock in case of voltage sources without
safety measures.
• Use only PELV (protective extra-low voltage) circuits to EN 60204-1 for the
electric logic supply.
Also observe the general requirements for PELV power circuits to EN 60204-1.
• Only use power sources which guarantee reliable electrical isolation of the
operating voltage to EN 60204-1.
Fig. 2 Mounting / Dismounting