Manual and data sheet for
ENA3 UCM Control
ENA3 UCM Control Manual Version 1.3
Date: 21.04.2017 page 5 of 12
Variotech GmbH, Gewerbeweg 5, 2230 Gänserndorf, Tel +43 2282 60310, https://variotech.com
Technical details:
Connection: plug-in terminals, no confusion because different numbers of poles.
The terminals are designed for a max. conductor cross section 1 mm² with sleeve, or 1.5 mm² without
sleeve.
The maximum cable length for the safety circuit tapping is limited to a maximum of 200m, in order to
prevent malfunction due to coupling.
If a cable length> 200m is required, this must be additionally protected by suitable measures.
All other cables are not limited in their length.
Connection cables must have a minimum cross-sectional of 0.75 mm², except the magnetic switch.
cable length: there are no prescribed limits
The cables must be routed so that it can come to no damage during operation. (Protected installation).
Shielded cables are not necessary.
Safety Integrity Level: SIL2
Requirements: EN81-20 5.6.7,
EN 13849 part1+part2
EN 61508 part1 to part7,
ISO 22201,
EN12015, EN12016
System response times: 50ms - safety circuit on
Terminal 12/13,
20ms - no monitoring of the
safety circuit (terminal 12/13 free)
Operating ambient temperature: 5°C + 40°C
Humidity (no condensation) < 95 %
Storage temperature: – 25°C + 70°C
Dimensions: 10cm x 10cm x height 7cm
Fatigue strength: according EN81-50
Resistance to shock: according EN81-50
Weight: 400g
Environmental conditions:
The ENA3 security control is designed so that it pollutes the environment as little as possible. It emits
no pollutants and does not contain environmentally harmful substances and consumes very little
power.
Assembly / Fastening:
Installation of security control should preferably be close to the elevator control. If more space is
available in the control box, a free DIN rail width of about 10cm is required. Possible is also mounting
on the car roof.
If there is no space available, it is possible to mount the unit nearby to the control box.
In that case the safety control ENA3 can be delivered in a special industrial plastic housing.
An assembly without housing is not allowed, because a case is required with a protection factor of at
least IP2x.
Connections and terminal description:
Terminals 1, 2, 3: Connection for magnet switches (door zone) according to the schematic
The door zone is defined in each station by means of 2 magnetic tapes.
The dimension of the door zone should correspond to the unlocking zone of the door, and therefore
should be of approximately flush to the top / bottom of each 10cm (20cm total).
Note: For encoders of safety circuits, the requirements of EN 81-50: 2014, 5.6.3.1.1 apply.
Terminals 4, 5, 6: Connection for a feedback contact of the braking device.
( UCM-approved traction sheave brake, or UCM-approved safety gear and over speed governor)
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