Lumel DZ2 Bedienungsanleitung

USER’S MANUAL

LARGE SIZE

DIGITAL CLOCKS

DZ2 AND DZ3 TYPES

Contents

1. APPLICATIONS......................................................................................................... 5

2. CLOCK SET ............................................................................................................. 5

3. BASIC REQUIREMENTS, OPERATIONAL SAFETY ................................................................. 5

4. DESIGN AND INSTALLATION ........................................................................................ 7

5. WIRING CONNECTIONS............................................................................................... 8

6. REGISTER MAP OF THE CLOCK CONTROLLER.................................................................... 9

7. TECHNICAL DATA..................................................................................................... 11

8. ORDERING CODES ................................................................................................... 12

9. BEFORE A FAILURE WILL BE DECLARED ......................................................................... 13

10. MAINTENANCE AND WARRANTY .................................................................................. 13

1. APPLICATIONS

The DZ digital clock shows the date and time alternately. The quantity switching over is set arbitrarily.

The default value is equal 5 seconds.

These digital clocks are intended to be installed outside and inside shops, by production lines, in sto-

res, refrigeration plants, sports and commercial objects.

The DZ2 clock (digits of 200 mm high) ensures a good readout from 80 m distance. The DZ3 clock

(digits of 300 mm high) ensures a good readout from 120 m distance.

These clocks are offered with digits in 3 versions of colours: red, green and yellow.

DZ clocks co-operate with an external DCF receiver, atomic time standard. These clocks are synchro-

nized every now and again with the time standard.

They have additionally the RS-485 interface with MODBUS RTU protocol. This interface enables to set

the clock in case when the DCF signal is too weak and there is no possibility to synchronize the clock

with the time standard.

The luminosity of digits is programmed by the user taking into consideration the night-time.

2. CLOCK SET

The set consists of:

- digital clock 1 pc.

- user’s manual 1 pc.

- warranty card 1 pc.

- female connector on the cable 2 pcs

- DCF receiver with the cable 1 pc

When unpacking the watt-hour meter, please check the delivery completeness and whether the

type and version code on the data plate correspond to the order.

3. BASIC REQUIREMENTS, OPERATIONAL SAFETY

Symbols located in this user’s manual mean:

WARNING!

Warning of potential, hazardous situations. Especially important. One must be familiar with

this before connecting the digital clock. The non-observance of notices marked by these

symbols can occasion severe injuries of the personnel and the damage of the device.

CAUTION!

Designates a general useful note. If you observe it, handling of DZ digital clocks is made

easier. One must take note of this, when the digital clock is working inconsistently to the

expectations.

Possible consequences if disregarded!

In the security scope the DZ digital clock fulfils the requirements of the international EN 61010-1 stan-

dard.

Remarks concerning the operator safety:

1. General

nThe digital clock is destined to be installed inside or outside buildings.

nNon-authorized removal of the required housing, inappropriate use, incorrect installation or opera-

tion create the risk of injury to personnel or damage to equipment. For more detailed information

please study the user’s manual.

nAll operations concerning transport, installation, and commissioning as well as maintenance must be

carried out by qualified, skilled personnel and national regulations for the prevention of accidents

must be observed.

nAccording to this basic safety information, qualified, skilled personnel are persons who are familiar

with the installation, assembly, commissioning, and operation of the product and who have qualifi-

cations necessary for their occupation.

2. Transport, storage

Please observe the notes on transport, storage and appropriate handling.

Observe the climatic conditions given in Technical Data.

3. Installation

nThe DZ digital clock must be installed according to the regulation and instructions given in this user’s

manual.

nEnsure proper handling and avoid mechanical stress.

nDo not bend any components and do not change any insulation distances.

nDo not touch any electronic components and contacts.

nElectronic devices may contain electrostatically sensitive components, which can easily be dama-

ged by inappropriate handling.

nDo not damage or destroy any electrical components since this might endanger your health!

4. Electrical connection

nBefore switching the digital clock on, one must check the correctness of connection to the network.

nIn case of the protection terminal connection with a separate lead one must remember to connect it

before the connection of the digital clock to the mains.

nWhen working on live instruments or devices, the applicable national regulations for the prevention

of accidents must be observed.

nThe electrical installation must be carried out according to the appropriate regulations (cable cross-

sections, fuses, PE connection). Additional information can be obtained from the user’s manual.

nDo not connect the digital clock to the mains via an autotransformer.

nThe documentation contains information about installation in compliance with EMC (shielding, groun-

ding, filters and cables). These notes must be observed for all CE-marked products.

nThe manufacturer of the installation or installed auxiliary devices is responsible for the compliance

with the required limit values demanded by the EMC legislation.

nThe RS-485 socket serves only for the connection of digital clocks operating with the MODBUS

protocol.

5. Operation

nInstallations including DZ2 or DZ3 digital clocks must be equipped with protection devices accor-

ding to the corresponding standard and regulations for prevention of accidents.

nAfter the digital clock has been disconnected from the supply voltage, live components and power

connections must not be touched immediately because capacitors can be charged.

nThe housing must be closed during operation.

6. Maintenance and servicing

nPlease observe the manufacturer’s documentation.

nRead all product-specific safety and application notes in this user’s manual.

nBefore taking the digital clock housing out, one must turn the supply off.

nThe removal of the digital clock housing during the warranty contract period may cause its

cancellation.

4. DESIGN AND INSTALLATION

The clock housing is made of steel sheet with the possibility to fix it on a wall or suspend the digital

clock.

The protection degree is IP54.

Housing dimensions:

DZ2: 1510 ´284 ´77 mm

DZ3: 2020 ´360 ´77 mm

The DCF receiver is fixed separately and should be distant from electromagnetic field sources, current-

carrying wires, big metallic objects, and electronic devices.

If it is possible, the receiver should be situated outside the building. The DCF signal is broadcasted

from Germany in the shape of 0.1 sec. and 0.2 sec. pulses, in one second’ intervals. If the DCF receiver

is properly situated, the receiver diode lights during 0.1 or 0.2 sec and goes out within 0.9 or 0.8 sec.

Fig. 1. Fixing way of the DCF receiver

A complete DCF signal lasts 1 minute, the first synchronization follows after a full minute since the

moment of the place retrieval of the proper signal.

Dimensions DZ2 DZ3

L 1510 2020

h 284 360

Fig. 2. Overall dimensions of DZ2 and DZ3 digital clocks and layout of holes and suspension clamps

5. WIRING CONNECTIONS

The clock set includes two female cable connectors: a 3-pole supplying connector and a 4-pole inter-

face connector.

The DCF receiver is delivered with a plug.

One must perform electrical connectors acc. to the Fig. 3.

Fig. 3. Electrical connections

Table 1

Fig. 4. Description of sockets to connect the supplying network and interface

Wires:

maximal wire cross-section: 1.5 mm2

maximal cable diameter: 4.5... 7 mm

A shielded double spiral wire is recommended to connect the interface

Connect the shield with the PE terminal of the G2 interface socket.

6. REGISTER MAP OF THE CLOCK CONTROLLER

The MODBUS RTU communication protocol has been implemented in the controller.

Applied markings:

R – readout

W – writing

DZ configuration registers – registers 4000...4037

All configuration registers are 16-bit registers of unsigned integer type.

address operations Range Description

4000 RW 1...247 DZx clock type address in MODBUS network

4001 RW 0...3

Operating mode of the interface no 1:

0: RTU 8N1

1: RTU 8N2

2: RTU 8E1

3: RTU 8O1

4002 RW 0...9

Baud rate of interface no 1 (b/s):

0 –2400; 1 – 4800; 2 – 9600; 3 – 14400; 4 –19200;

5–28800; 6–38400; 7– 57600; 8 – 76800 ; 9 –115200

4007 RW 1...100 Luminosity level for the day

4008 RW 1...100 Luminosity level for the night

4009 RW 0...2359 Starting hour in the day expressed as:

GG*100 + MM

4010 RW 0...2359 Starting hour in the day expressed as:

GG*100 + MM

4011 RW 5..60 Display time of time/date before switching over.

Controller status

4037 RW 0x00...0xFFFF

Controller status register. Successive bits are flags in-

forming about the lasting or passed event.

Flags can only be erased.

If a write follows into the register, then a logic product

will be performed on the register value with the written

value.

The meaning of bits is as follows:

Bit 15 – Error of RAM memory.

Bit 14 - erroneous settings. Factory

settings were restored

Bit 13 – Setting error of RTC clock or lack

of the correct DCF frame. The

flag is automatically erased in

case of a correct DCF frame.

Bit 12 – A change of summer/winter time

has occured or inversely.

Bit 11 – Break in the panel supply.

Bit 10...5 – no used.

32-bit registers of float type

7565 RW .... Present time in YY format , MMDD

7566 RW ... Present time in GG format, MMSS

(continuation) Table 1

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