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2CSM441046D0201
ABB S.p.A
V.le dell’Industria 18
20010 Vittuone (MI) - Italy
Tel. +39 02 2415 0000
https://new.abb.com/low-voltage
© Copyright 2019 ABB S.P.A . All rights reserved.
We reserve the right to make technical changes or modify
the contents of this document without prior notice.
DY DCF77
Installation Manual
User Manual
DCF MODULE FOR EXTERNAL USE
1
Read all the instructions carefully
DY DCF77 is
and time. This information may be shared with ABB devices designed to
interface with
Code Model Description
2CSM250411R1000
a module that allows you to capture the information of data
DY DCF77
, so as to ensure a synchronization always perfect.
DY DCF77
DCF module for external use
DIMENSIONS (mm)
2
79
20
52
CONNECTION DIAGRAMS
3
I/O extension
port
DEVICE STATUS
4
• When you power on the led emits two RED flashes as follows:
41
SAFETY WARNINGS
During product installation and operation it is necessary to observe the
following instructions:
1) The product must be installed by a qualified person, in strict compliance
with the connection diagrams.
2) Do not power the instrument if any part of it is damaged.
3) The product must be installed and activated in compliance with current
electric system standards.
4) The electrical system in the building in which the product is to be installed
should have an over-current switch and a protection device.
5) Do not use the product for purposes different from the one specified.
6) In case of malfunction do not perform repairs and contact immediately the
technical support.
7) The product can be used in environments with category of overvoltage III
and pollution degree 2.
8) Before accessing the connection terminals, verify that the leads are not live.
9) After installation, inaccessibility to the connection terminals without
appropriate tools must be guaranteed.
TECHNICAL CHARACTERISTICS
• Power supply: 12V DC (-20% ÷ +20%)
• Absorption: 4 mA
• DCF frequency: 77.5 kHz
• Wall or pole installation
• Wiring
– Cable length: 100m
– Flexible cables section: 0.75 ÷ 1.5 mm
– Sheathed cables maximum diameter: 3 mm
• Protection degree: IP54
• Operating temperature: 0 ÷ +50 °C
• Storage temperature: -25÷ +70 °C
• Operating humidity: 20÷90% non condensing
• Key to force sending data to the connected devices
• Red / green / orange led for signaling device status (Figure 1)
2
OFF ON OFF ON OFF
… 1 s 1 s 1 s …
After the power on sequence the DY DCF77 sends data and time to the I/O
extension port (then to the connected devices) every 30 minutes.
• The flashing of the GREEN led indicates the status of the device:
ON OFF
searching
for valid signal
exact time acquired less
than 30 minutes
exact time acquired less
than 48 hours
• Sending data to the I/O extension port (and to the connected devices) is signaled
by the RED flashing of the led for 3 seconds as follows:
ON OFF ON OFF …..
100 ms 100 ms 100 ms 100 ms …..
Note: at any time you can force sending data to the I/O extension port by pressing
the key (accessible by removing the cover, see figure 2).
500 ms 500 ms continuous
100 ms 100 ms 6 every 5 seconds
100 ms 100 ms 3 every 5 seconds
REPETITIONS
INSTALLATION
5
• Installation can be wall or pole (by using the adapter in the package)
• Remove the cover by leveraging the teeth on the sides of the product
• Pass the cables through the cable entry on the bottom side and connect the
power and bus cables respecting the wiring diagram
• Tighten the cable gland and replace the cover.
Key to force sending data
to the devices
Led for signaling
device status
Figure 1 Figure 2
REFERENCE STANDARDS
Compliance with Community Directives:
2014/53/EU (RED)
is declared with reference to the following harmonized standards:
• EN 60950-1
• ETSI EN 301 489-1, ETSI EN 301 489-3, ETSI EN 300 330
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