CES-A-BBA EUCHNER, CES-A-BBA Datasheet - Page 13

• Manufacturer Part Number: CES-A-BBA
• Description: ACTUATOR
• Manufacturer: EUCHNER

Specifications of CES-A-BBA

• External Depth: 40.5mm
• External Length / Height: 131mm
• Operating Temperature Max: 55°C
• Operating Temperature Min: -0°C

Non-Contact Safety Switches CES/CEM
System functions evaluation unit CES-A-ABA...
Teach-in function for actuator
The actuator must be allocated to the evaluation unit using a teach-
in function before the system forms a functional unit.
During a teach-in operation, the safety outputs and the door
monitoring output are LOW, i.e. the system is in the safe state.
Teach-in function for first actuator
(default setting on delivery)
Notes
Function test (self-test)
On electromechanical safety switches or magnetic switches, the
function test can be performed by cyclically opening the safety
guard. From safety category 2, according to EN 60204-1 : 1997
(sec. 9.4.2.4), a function test must be performed on the entire
safety system on start-up or after defined intervals.
The testing of the internal function of the safety switch CES is not
necessary because the device monitors itself in real time. Wear on
an output contact (relay output) is detected by the device at the
latest the next time the safety guard is opened. A short circuit in the
output cable is not detected by the device. In addition, the entire
safety circuit can be tested without opening the safety guard.
Subject to technical modifications; no responsibility is accepted for the accuracy of this information.
Apply the operating voltage to the evaluation unit
Move actuator to the read head
(Observe distance < S
Teach-in operation completed (after 60 seconds)
To activate the actuator code from the teach-in operation in
the evaluation unit, the operating voltage must then be
switched off for min. 10 seconds.
Repeated teach-in of the same actuator on the same
evaluation unit is not possible
The number of teach-in operations on one evaluation unit is
limited to a maximum of 8
The evaluation unit can only be operated with the last actuator
taught
A teach-in operation is invalid if:
When switching on the evaluation unit (application of operating
voltage), the STATE LED signals the number of possible
remaining teach-in operations (see system status table)
green LED flashes fast (approx. 4 Hz)
teach-in operation starts, green LED flashes slowly
(approx. 1 Hz)
green LED goes out
The teach-in operation is cancelled before the green
flashing LED goes out
The power supply is switched off during the teach-in
operation
a0
)
Teach-in function for a new actuator
Warning
For this purpose, the opening of the safety guard can be simulated
by applying DC 24 V to the test input TST.
The safety outputs are switched off, enabling testing of the
complete safety circuit. The diagnostic output ERR on the
evaluation unit is also set HIGH as a monitoring function.
When the test input TST is reset, the evaluation unit resets the
diagnostic output ERR to LOW, the red LED switches off and the
safety outputs are switched on again. This permits self-testing of
the safety system without opening the safety guard.
In the Manual start operating mode, the start button must be
pressed again to start the system.
Apply the operating voltage to the evaluation unit
Move new actuator to the read head
(Observe distance < S
Teach-in operation completed (after 60 seconds)
To activate the new actuator code from the teach-in operation
in the evaluation unit, the operating voltage must then be
switched off for min. 10 seconds.
After the eighth teach-in operation or if an "old" actuator is
placed against the actuator head, the system automatically
switches to the teach-in mode. In both cases, a teach-in
operation with a duration of 60 seconds is started; however,
the last actuator code remains active (see system status
table) in the memory - a new code is not taught.
teach-in operation starts, green LED flashes (approx. 1 Hz)
green LED goes out, new code saved, old code
deactivated
a0
)
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