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OPERATING INSTRUCTIONS
Multifunction Timer
Item no. 39 39 03: „MFT1816-12 V"
Item no.: 39 39 04: „MFT1816-24 V"
Intended Use
The product has the following three functions if not configured via the PC software:
1. Switch-off delay with resetting
2. Power surge switch
3. Staircase light with warning and time reset
Additional delay, switching and logic functions can be set by PC software and the Voltcraft USB
programming adapter (Conrad item no. 197339). The PC software and associated operating
instructions for the multifunction timer can be downloaded free of charge from the download
area of www.conrad.com.
The switching time is set by setting potentiometer (at potentiometer setting >98%, the product
works as power surge switch (or selection of the mode selected by the PC software).
LEDs show the status, input and switching output condition.
The multifunction timer has a sequence output for extension by a second relay (for this, four
possible switching sequences can be selected by PC software).
Furthermore, the multifunction timer offers two optocoupler inputs („SET" and „RESET").
To meet the CE requirements or for hat-rail assembly (35 mm, EN 50022), the module must
be installed in the „Wieland WEB-99.800.6046.6" housing (Conrad item no. 524042). The PCB
may be shortened at a predetermined breaking point for this.
The data interface serves only parameter transmission. It must not be connected to a computer
during operation.
Observe all safety information and all other information in these operating instructions.
This product complies with the statutory national and European requirements. All company
names and product names are trademarks of their respective owners. All rights reserved.
Scope of Delivery
• Multifunction Timer
• Operating instructions
Connection Chart and Description
VCC
Set
Reset
GND
Optional
J1: Connection for external wiring
1 Supply voltage
2 GND (ground)
3 Input „SET" (Optocoupler, polarity irrelevant)
4 Input „SET" (Optocoupler, polarity irrelevant)
5 Input „RESET" (Optocoupler, polarity irrelevant)
6 Input „RESET" (Optocoupler, polarity irrelevant)
7 Sequence output „SEQ" for relay connection
J2: Relay connection
NC: Opener contact („NC" = „Normally Closed", the contact is closed when not activated)
NO: Closer contact („NO" = „Normally Open", the contact is open when not activated)
COM: Centre contract („COM" = „Common", shared connection)
www.conrad.com
Version 04/13
J1
1
VCC
2
GND
3
SET
μ C
4
SET
5
RESET
6
RESET
7
SEQ
17 mm
Safety Information
The guarantee/warranty will expire if damage is incurred resulting from non-
compliance with these operating instructions. We do not assume liability for
any consequential damage.
Nor do we assume any liability for damage to property or personal injury
caused by improper use or failure to observe the safety instructions. In such
cases the warranty/guarantee will expire.
• The unauthorized conversion and/or modification of the product is prohibited for
safety and approval reasons (CE).
• This product is not a toy and not suitable for children.
• The product must not become damp or wet.
• Depending on the voltages switched via the relay, the connection must only be
established by a qualified specialist (e.g. electrician) familiar with the relevant
regulations (e.g. VDE)!
Improper work at the electrical lines and connections endangers not only yourself,
but also others!
If you do not have the respective expertise, do not assemble and install the device
yourself but ask a specialist.
• Do not leave packaging material unattended. It may become a dangerous toy for
children.
• Handle the product with care; impacts, shock or fall even from low heights will
damage it.
Selecting Mode of Operation
Set operating mode (configuration via PC or at the device)
The settings are performed via the potentiometer (rotating path 0....270°)
0....98% rotating area -> configuration at the device (continually lit LED „STAT")
98....100% rotating area -> configuration at the PC software (continually lit LED „STAT")
The software and the associated operating instructions are available free of charge
on our website www.conrad.com in the download area for the multifunction timer (item
no. 393903 or 393904).
Possible operating modes without configuration by PC-software:
• Switch-off delay with resetting
• Power surge switch (delivery condition)
• Staircase light with warning and time reset
The function is selected via activation of the reset input.
The time for resetting is set via the rotating area of the potentiometer R3 (0....98%
corresponds to 10 s....30 min).
J2
J3
R3
J4
93 mm
78 mm
98 mm
J3: Connection for PC-configuration with USB-cable
J4: Pin strips for internal purposes, do not use
LED Displays:
Input 1 („SET" + „RESET") 1 LED each (yellow)
Relay Out1-LED (yellow)
Sequence Out1-LED (yellow)
Readiness for operation (Ready)/status LED (green) Designation on PCB: STAT
R3: Potentiometer (selection of the operating
mode or time setting)
2,6 mm
Timer time 10 s.....30 min
(0....98% rotating range)
PC mode
(98....100% rotating area)
Designation on PCB: SET, RES
Designation on PCB: REL
Designation on PCB: SEQ
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