Below you will find brief information for CAN-AP. The CAN-AP is a Bluetooth access point designed for the Wurm system, providing wireless connectivity for mobile devices. It features a dew-point driven power controller for heaters, along with integrated temperature and humidity sensors. The device supports wall installation and offers one-key or app-based operation. It also allows for heater control via CAN bus and logging of history data. The CAN-AP has a range of at least 10 meters and can be extended with multiple devices.
Below you will find brief information for CAN-AP. The CAN-AP is a Bluetooth access point designed for the Wurm system, providing wireless connectivity for mobile devices. It features a dew-point driven power controller for heaters, along with integrated temperature and humidity sensors. The device supports wall installation and offers one-key or app-based operation. It also allows for heater control via CAN bus and logging of history data. The CAN-AP has a range of at least 10 meters and can be extended with multiple devices.
Bluetooth® access point to the Wurm system
CAN-AP_V2.0.1_PI_2022-11_EN 1
Subject to technical changes
CAN-AP
1 CAN-AP
Bluetooth® access point to the Wurm system
1.1 Front view
Fig. 1: Front view
1.2 Features
• Access point to the CAN bus system
• Wireless communication with mobile end devices using the Frida App and Bluetooth® Low
Energy
• Range of at least 10 metres, can be extended via several CAN-APs in a CAN bus system
• Wall installation, e.g. in the sales room
• One-key operation or operation via the Frida app
• Dew-point driven integrated power controller for operation of glass and handrail heaters
• Room temperature and humidity sensor signals via Wurm CAN communication bus
(C-BUS)
• Heater control through CAN bus switch module BSM001 and ECA970
• Connection of several heaters per channel
• For all standard refrigeration units
• 8 different control characteristics per channel
• Adjustable minimum operating time per channel
• Logging of history data in an internal memory for evaluation with FRIGODATA
• Enthalpy shift for rack controller DCC-XP from version 5 and DSC-XP
• Connection to the Wurm system via C-BUS and FRIGODATA XP
Scope of supply
• CAN-AP
• Plug switching power supply
Version and validity of the documentation
Any versions not listed are special solutions for individual projects and are not described in detail in this document.
This document will automatically cease to be valid if a new technical description is issued.
Manufacturer: Wurm GmbH & Co. KG Elektronische Systeme, Morsbachtalstraße 30, D-42857 Remscheid
You can find more information on our website at www.wurm.de
All trademarks hereby referenced are the property of their respective owners.
Version Date
V2.0.1 2022-11 Documentation status
Bluetooth® access point to the Wurm system
2 CAN-AP_V2.0.1_PI_2022-11_EN
Subject to technical changes
CAN-AP
1.3 Safety instructions
Writing conventions
WARNING • Avoid the described hazard: Otherwise there is danger from electric voltage that can lead to
death or serious bodily injury.
CAUTION • Avoid the described hazard: otherwise minor or medium physical injury or material damage may
result.
For your safety
For safe operation and to avoid personal injury and equipment damage through operating error, al-
ways read these instructions, become familiar with the device, and follow all safety instructions on the
product and in this document, as well as the safety guidelines of Wurm GmbH & Co. KG Elektronische
Systeme. Keep these instructions ready to hand for quick reference and pass them on with the device
if the product is sold. Wurm GmbH & Co. KG Elektronische Systeme accepts no liability in the case
of improper use or use for purposes other than the intended purpose.
WARNING DANGER TO LIFE FROM ELECTRIC SHOCK AND/OR FIRE!
• Only use the device with the supplied plug switching power supply.
• For the plug switching power supply, use an easily accessible socket to ensure that the device
can be disconnected from the power supply in the event of a fault.
• Do not use the device in locations where there may be children.
CAUTION DAMAGE TO THE DEVICE IF HANDLED INCORRECTLY!
• Before opening the device, make sure that you are not electrostatically charged. Discharge your-
self on an earthed metal part, such as a heater, control cabinet, or refrigeration unit.
• Install the device so that ambient air can flow through the air vents in the housing cover.
• For installation, use screws with flat heads that do not exceed a height of 2.5mm. Screw heads
that are too high may cause short-circuits in the device.
• The wiring of the device must be carried out only by qualified electricians!
• Use the correct tools for any work!
• Connect the connection lines without mechanical stress. The connection lines have only limited
strain relief and locking.
• Check the entire wiring after connection!
• Never expose the device to moisture, for example due to condensation or cleaning agents.
• Take the device out of operation if it is faulty or damaged.
• Do not repair the device yourself! If the device requires repairs, send it in with an exact descrip-
tion of the fault!
CAUTION RISK TO HEALTH!
• Do not use the device in close proximity to the human body for an extended period of time.
Target group This manual is intended for "service technician" personnel.
Intended use The CAN-AP is a module for wireless access from mobile end devices
to the Wurm system via Bluetooth Low Energy, and a dew point control-
ler with integrated temperature sensor and humidity sensor.
Bluetooth® access point to the Wurm system
CAN-AP_V2.0.1_PI_2022-11_EN 3
Subject to technical changes
CAN-AP
CAUTION
MALFUNCTIONS DUE TO INCORRECT HANDLING!
• Keep the openings on the device clear.
• Do not install the device above radiators, near windows or doors, on surfaces that are exposed to
strong vibrations or direct sunlight, on exterior walls, on chimneys, or in walls or alcoves.
• Install the device so that the embedded cable feed does not bring air currents into the housing.
CAUTION
ELECTROMAGNETIC INTERFERENCE MAY CAUSE FAULTS!
• Always use shielded data cables and place them far away from power lines.
• Do not use the device in close proximity to or on metal surfaces.
1.4 Installing
Tools: flat-head screwdriver with tip width 5mm max.
1. Using the screwdriver, lightly press the snap fastener on the right underside of the housing.
The snap fastener will release.
2. Remove the housing cover.
3. Install the housing base on the wall. For installation on stone and concrete walls, we recommend
countersunk head screws, 3mm in diameter, 30mm long and wall plugs 5mm in diameter.
Fig. 2: Drilling dimensions for wall installation in mm (drawing is not to scale!)
4. Place the housing cover on the left-hand edge of the installed housing base. Make sure that the
two retaining lugs on the housing base are positioned in the recesses in the housing cover.
5. Press the housing cover lightly against the housing base.
The housing cover will engage and the housing will close.
Wurm Infocenter paperless info
68
44
1
2
68
1Four installation holes for
console installation
2Two installation holes for
surface installation
Bluetooth® access point to the Wurm system
4 CAN-AP_V2.0.1_PI_2022-11_EN
Subject to technical changes
CAN-AP
1.5 Connection diagram
Fig. 3: Connection diagram
1.6 Technical data
AC-BUS connection via RJ45 socket
BC-BUS connection via RJ45 socket
CC-BUS connection via 4-pin, plug-in screw terminal:
1 0V
2L
3Shield
4H
DConnection for supplied external plug switching power supply
Power supply Device: 5V= (+10% / -5%)
Supplied plug switching power supply: 100...240V~, 50 / 60Hz,
max. 0.5A
Power Device: max. 1W
Supplied plug switching power supply: max. 3VA system output
Display 1 x 4-digit 7-segment display
1 x red LED: wireless communication
1 x red LED: ready to connect
1 x red LED: ready to operate
1 x red LED: editing mode
C-BUS communication 3-conductor CAN bus interface, shielded,
1 x 4-pin screw terminal 2.5mm², 2 x RJ45 sockets
Wireless communication Bluetooth® Low Energy, Bluetooth V4.1
Range: 10m nominal
Transmission output Typically 1.5...3.5dBm, +10dBm max.
Carrier frequency range 2.402...2.480GHz
Sensors Internal temperature sensor and humidity sensor
Measurement range:
-20…50°C, +/- 0.2%
0...100%rH, +/-1.5%
Internal clock Detection of system clock time on the gateway (only when used
in the CAN bus system), with no power reserve in the event of
power failure
Housing ABSFR plastic
Fastening Wall installation
Dimensions (W x H x D) 86 x 86 x 26mm
Weight About 110g
Ambient temperature Operation: 0...+55°C, storage: -25…+70°C
Max. humidity Max. 80%rH, non-condensing
Degree of protection IP20
CE conformity EU conformity as defined in
- 2014/53/EU (Radio Equipment Directive)
RoHS II
AB1234D
C
4
3
2
1
Power DC
74451223A
0V
CAN-AP
C-Bus
C-Bus
L
S
H
-
1
-
2
-
3
-
4
Below you will find brief information for CAN-AP. The CAN-AP is a Bluetooth access point designed for the Wurm system, providing wireless connectivity for mobile devices. It features a dew-point driven power controller for heaters, along with integrated temperature and humidity sensors. The device supports wall installation and offers one-key or app-based operation. It also allows for heater control via CAN bus and logging of history data. The CAN-AP has a range of at least 10 meters and can be extended with multiple devices.
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