janitza 800-CT8-A, 800-CON User Manual And Technical Data

800-CT8-A current measuring module
800-CON transfer modules

Extension modules for the UMG 801

User manual and technical data

www.janitza.de

Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau

Doc. no.: 2.053.023.0a Date: 11/2019

Support tel. [phone]
Fax [phone]
Email: [e-mail]
www.janitza.de

Modules 800-CT8-A | 800-CON www.janitza.de

800-CT8-A
current measuring module

800-CON
transfer modules (set of 2)

Modules for UMG 801

Doc. no.: 2.053.023.0a
Date: 11/2019
The German version is the original edition of the documentation

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Modules 800-CT8-A | 800-CON

Subject to technical changes.

The contents of our documentation have been compiled with great care and reflect the current state of the
information available to us. Nonetheless, we wish to point out that updates of this document are not always
possible at the same time as technical refinements are implemented in our products. Please see our website
under www.janitza.de for the current version.
Please see our website under www.janitza.de for the current version.

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Modules 800-CT8-A | 800-CON www.janitza.de

TABLE OF CONTENTS

1. Information on the devices and the user manual 8

1. 1 Disclaimer 8

1. 2 Copyright notice 8

1. 3 Technical changes 8

1. 4 About this user manual 8

1. 5 Defective device/disposal 9

2. Safety 10

2. 1 Display of warning notices and safety information 10

2. 2 Hazard levels 10

2. 3 Product safety 11

2. 4 Hazards when handling the device, components and modules 11

2. 5 Electrically qualified personnel 12

2. 6 Warranty in the event of damage 12

2. 7 Safety information for handling current transformers 12

3. Product description 14

3. 1 800-CT8-A module 14

3. 2 800-CON module (set of 2) 14

3. 3 Incoming goods inspection 15

3. 4 Intended use 15

3. 5 Overview of module functions 15

3. 6 EU conformity declaration 15

3. 7 Scope of delivery, 800-CT8-A current measuring module. 16

3. 8 Scope of delivery, 800-CON transfer module (set of 2) 16

3. 9 Accessories for “800-CON transfer module” 16

3. 10 Operating concept 17

3. 11 GridVis® network analysis software 17

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4. Mounting 18

4. 1 Mounting the 800-CT8-A module 18

4. 2 Mounting the 800-CON module 21

4. 3 Connection of device and module series with the 800-CON transfer modules 22

4. 4 Connections/controls on 800-CT8-A module 24

4. 5 Marking of the 800-CT8-A module - rating plate 25

4. 6 Connections/controls on 800-CON module 26

4. 7 Marking of the 800-CON module - rating plate 27

5. Installation 28

5. 1 Current measurement with module 800-CT8-A 28

5. 2 Example schematic diagram “Connection variants for current measurement” 29

5. 3 Data transfer with 800-CON module 30

Modules 800-CT8-A | 800-CON

5. 4 Data cable for connecting the 800-CON transfer modules 31

6. PC connection 32

6. 1 PC connection of the current measuring modules via the basic device (UMG 801) 32

6. 2 PC connection of the basic device (UMG 801) with current measuring module
or your module series via the Ethernet interface 32

7. Operation and button functions of the basic device with module 34

7. 1 Operation and button functions of the basic device with 800-CT8-CON module 34

7. 2 Module-relevant menu items of the basic device with one module 34

8. Module-relevant configurations 36

8. 1 800-CT8-A module - Current transformer configuration on the basic device 36

8. 2 800-CT8-A module - Current transformer configuration in the GridVis® software 37

9. Module-relevant measuring displays 38

9. 1 800-CT8-A module - Measuring displays 38

10. Device views - 800-CT8-A current measuring module 46

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11. Technical data - 800-CT8-A current measuring module 47

11. 1 Functional performance characteristics of 800-CT8-A current measuring module
(Only valid in conjunction with UMG 801!) 49

12. Device views - 800-CON transfer module 50

13. Technical data - 800-CON transfer module 51

14. Dismounting 52

14. 1 Dismounting the 800-CT8-A module 52

14. 2 Exchanging an 800-CT8-A module 53

14. 3 Dismounting the 800-CON module 54

15. Service and maintenance 56

15. 1 Repair 56

15. 2 Service 56

15. 3 Device adjustment 56

15. 4 Calibration interval 56

15. 5 Firmware update 56

15. 6 Procedure in the event of a malfunction 56

15. 7 Resetting the module to the standard factory settings 56

15. 8 Information on saving measured values and configuration data 57

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Modules 800-CT8-A | 800-CON

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1. Information on the devices and the user manual

1.1 Disclaimer

Compliance with the usage information for the
devices (modules/components) is a prerequisite for
safe operation and attaining the stated performance
characteristics and product features.

Janitza electronics GmbH assumes no liability for
bodily injury, material damage or financial losses
which result from disregard of the usage information.

Ensure that the usage information for the products is
legible and accessible.

1.2 Copyright notice

© 2019 - Janitza electronics GmbH - Lahnau. All
rights reserved.

Any reproduction, processing, distribution or other
use of this usage information, in whole or in part, is
prohibited.

All trademarks and the rights arising from them are
the property of the respective owners of these rights.

1.4 About this user manual

If you have questions, suggestions or ideas for
improvement of the user manual, please let us know
via email at: [e-mail].

INFORMATION

This user manual describes the modules for the
UMG 801 and provides information on the operation of
the devices.

Also consult the additional usage information relevant
for this user manual, such as:

· Installation instructions.

· Data sheets.

· The "Safety information" supplement.

· The supplement on mounting the modules.

· Usage information on the basic device.

Moreover, the GridVis® software has an “online help”
feature.

1.3 Technical changes

· Make sure that your device (modules/components)
matches the user manual.

· This user manual applies to the modules for the
UMG 801. Separate validities and distinctions are
marked.

· First make sure you have read and understood the
usage information accompanying the product.

· Keep the usage information associated with the
product available for the entire service life and pass
it on to any possible subsequent users.

· Find out about device revisions and the associated
modifications of the usage information associated
with your product at www.janitza.de.

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1.5 Defective device/disposal

Before sending defective devices, modules or
components back to the manufacturer for testing:

· Contact the manufacturer's Support department.

· Send devices, modules or components complete
with all accessories.

· When doing so, please bear the terms for
transportation in mind.

INFORMATION

Please return defective or damaged devices, modules
or components to Janitza electronics GmbH in
accordance with the shipping instructions for air or
road freight (complete with accessories).
Observe special regulations for devices with built-in
batteries or rechargeable batteries!

Do not attempt to open or repair the device (the
module, the component) on your own because
otherwise all warranty claims become invalid!

Modules 800-CT8-A | 800-CON

For the disposal of the device (the module, the
component), please observe national regulations!
Dispose of individual parts, as applicable, depending
on their composition and existing country-specific
regulations, e.g. as

· Electronic waste

· Batteries and rechargeable batteries

· Plastics

· Metals

Engage a certified disposal company to handle
scrapping as needed.

Information on “Service and maintenance” of your
device can be found in chapter 15 on page 56.

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2. Safety

The chapter on Safety contains information which
must be observed to ensure your personal safety
and avoid material damage.

2.1 Display of warning notices and safety
information

The warning notices shown below

· are found throughout the usage information.

· can be found on the devices themselves.

· indicate potential risks and hazards,

· underscore aspects of the information provided that
clarifies or simplifies procedures.

This additional symbol on the device (module/
component) itself indicates an electrical hazard that
can lead to severe injury or death.

This general warning symbol draws attention to a
possible risk of injury. Be certain to observe all of the
information listed under this symbol in order to avoid
possible injury or even death.

2.2 Hazard levels

Warning and safety information is marked by a
warning symbol, and the hazard levels are shown as
follows, depending on the degree of hazard:

DANGER

Warns of an imminent danger which, if not avoided,
results in serious or fatal injury.

WARNING

Warns of a potentially hazardous situation which, if
not avoided, could result in serious injury or death.

CAUTION

Warns of an immediately hazardous situation which,
if not avoided, can result in minor or moderate injury.

ATTENTION

Warns of an immediately hazardous situation which,
if not avoided, can result in material or environmental
damage.

INFORMATION

Indicates procedures in which there is no hazard of
personal injury or material damage.

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2.3 Product safety

The devices, components and modules reflect
current engineering practice and accepted safety
standards, but hazards can arise nonetheless.

Observe the safety regulations and warning notices.
If notices are disregarded, this can lead to personal
injury and/or damage to the product.

Every type of tampering with or use of the devices
and the modules,

· which goes beyond the mechanical, electrical or
other operating limits can lead to personal injury
and/or damage to the product;

· constitutes "misuse" and/or "negligence" under the
product’s warranty and thus voids the warranty for
any possible resulting damage.

Read and understand the user manual and the usage
information on the basic device before installing,
operating, maintaining and using the devices,
components and modules.

Only operate the devices, components and modules
when they are in perfect condition and in compliance
with this user manual and the usage information that
is included. Send defective devices, components
or modules back to the manufacturer in compliance
with proper transport conditions.
Retain the user manual throughout the service life of
your product and keep it at hand for consultation.

When using the device, component or module, also
observe the legal and safety regulations for your
system that are applicable for the respective use
case.

2.4 Hazards when handling the device,
components and modules

When operating electric devices, components
or modules, it is unavoidable for certain parts
of these devices to conduct hazardous voltage.
Consequently, severe bodily injury or material
damage can occur if they are not handled properly.
Therefore, when handling our devices, components,
or modules, always observe the following:

· do not exceed the limit values specified in the user
manual and on the rating plate! This must also be
observed during testing and commissioning!

· Take note of the safety and warning notices in
all usage information that belongs to the device,
components or modules!

Modules 800-CT8-A | 800-CON

WARNING

Risk of injury due to electrical current and voltage!

Severe bodily injury or death can result! Therefore
please abide by the following:

· Do not touch bare, stripped wires or device

inputs that are dangerous to touch on the
devices, components and modules.

· Switch off your installation before commencing
work! Secure it against being switched on!
Check to be sure it is de-energized! Ground and
short circuit! Cover or block off adjacent live
parts!

· During operation and troubleshooting
(especially with DIN rail devices), check the
environment for dangerous voltages and switch
these off if necessary!

· Wear protective clothing and protective
equipment in accordance with applicable
guidelines when working on electrical systems!

· Before making connections, ground the device
/ component / module by means of the ground
wire connection, if present!

· Do not touching bare or stripped leads that are
energized! Equip stranded conductors with wire
ferrules!

· Hazardous voltages can be present in all
circuitry parts that are connected to the power
supply.

· Protect wires, cables and devices with a
suitable line circuit breaker/fuse!

· Never switch off, remove or tamper with safety
devices!

· There can still be hazardous voltages present in
the device or in the component (module) even
after it has been disconnected from the supply
voltage (capacitor storage).

· Do not operate equipment with current
transformer circuits when open.

· Only connect screw terminals with the same
number of poles and design!

· Do not exceed the limit values specified in
the user manual and on the rating plate! This
must also be observed during testing and
commissioning.

· Take note of the safety and warning notices
in the usage information that belongs to the
device, components or modules!

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Modules 800-CT8-A | 800-CON www.janitza.de

2.5 Electrically qualified personnel

To avoid bodily injury and material damage, only
electrically qualified personnel are permitted to work
on the devices and their components, modules,
assemblies, systems and current circuits who have
knowledge of:

· the national and international accident prevention
regulations,

· safety technology standards,

· installation, commissioning, operation,
disconnection, grounding and marking of electrical
equipment,

· the requirements concerning personal protective
equipment.

Electrically qualified persons within the scope of the
technical safety information of all usage information
associated with the device and its components
(modules) are persons who can furnish proof of
qualification as an electrically skilled person.

WARNING

Warning against unauthorized manipulation or
improper use of the device or its components
(modules)!

Opening, dismantling or unauthorized manipulation of
the device and its components (modules) which goes
beyond the mechanical, electrical or other operating
limits indicated can lead to material damage or injury,
up to and including death.

· Only electrically qualified personnel are

permitted to work on the devices and their
components (modules), assemblies, systems
and current circuits.

· Always use your device or component (module)

only in the manner described in the associated
documentation.

· If there is discernible damage, send the

device or the component (module) back to the
manufacturer!

2.7 Safety information for handling current
transformers

WARNING

Risk of injury due to large currents and high
electrical voltage on the current transformers!

Current transformers operated while open on the
secondary side (high voltage peaks pose a hazard
when touched) can result in severe bodily injury or
death.

· Avoid operating the current transformers while

open; short circuit the unloaded transformers!

· Before interrupting the current supply, short
circuit the secondary connections of the
current transformers. Switch any test switches
that automatically short circuit the secondary
lines of the current transformers to the “Test”
status (Check the test switch/short circuiting
connection beforehand)!

· Only use current transformers with basic
insulation to IEC 61010-1:2010!

· Caution, even current transformers rated as
safe for open operation can pose a hazard
when touched during operation while open!

· Make sure that screw terminals for the current
transformer connection on the device are
adequately tightened!

· Comply with the information and provisions
in the documentation of your current
transformers!

CAUTION

Risk of injury or damage to the meter due to high
measurement currents at the connections of the
current transformers!

High measurement currents can cause temperatures
of up to 80 °C (176 °F) on the connections of the
current transformers

· Use wiring that is designed for an operating

temperature of at least 80 °C (176 °F)!

· The current transformers can be hot even after
the power supply has been switched off. Allow
the connections of the current transformers
and the connecting cables to cool down before
touching them!

2.6 Warranty in the event of damage

Any unauthorized tampering with or use of the
device, component or module constitutes "misuse"
and/or "negligence" under the product’s warranty
and thus voids the warranty for any possible
resulting damage. In this regard, please take note of
chap. „3.4 Intended use“ on page 15.

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CAUTION

Risk of injury or damage to the basic device
(module) and/or your system due to a short circuit!

Inadequate insulation at the current measurement
inputs of the modules with respect to the supply
circuits of the basic device can cause dangerous
voltages at the measuring input or damage to your
device (module)/system.

· Ensure reinforced or double insulation with

respect to the supply circuits!

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Modules 800-CT8-A | 800-CON

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Modules 800-CT8-A | 800-CON www.janitza.de

3. Product description

3.1 800-CT8-A module

The current measuring module

· extends the functional range of the basic device
to include additional current measuring channels
(2 groups of 4 current measuring channels each);

· is suitable for current transformers with transformer
ratios of ../1 A or ../5 A.

3.2 800-CON module (set of 2)

The module set, consisting of 2 transfer modules,
is used to connect remote measurement points.
With the transfer modules, you can implement
meter and module topologies (e.g. UMG 801 with
modules 800-CT8-A) with flexible arrangement of
your DIN rails (for types, see Technical Data) in the
switchboard cabinet or small distribution board.

Fig.: 800-CT8-A module

The basic device (UMG 801) with current measuring
module measures current exclusively via current
transformers. The current transformers require a
basic insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.

INFORMATION

When setting up your meter and module topology,
note that:

· The UMG 801 as the basic device allows the
mounting of up to 10 modules.

· The scope of delivery for the module includes the
appropriate bus connector (JanBus interface) for
connection to the basic device.

· The maximum bus length of the JanBus is 100 m.

Fig.: 800-CON module (transfer module,
output / input)

INFORMATION

· Both modules in the set of 2 are suitable as input
or output modules!

· The scope of delivery for the transfer modules
includes the appropriate bus connector (JanBus
interface).

· When setting up your meter and module topology,
make sure that the maximum bus length of the
JanBus is 100 m.

INFORMATION

Please also observe all usage information
associated with the basic device in addition to the
usage information for the modules!

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Modules 800-CT8-A | 800-CON

3.3 Incoming goods inspection

The prerequisites for trouble-free and safe operation
of the modules include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.

Exercise due caution when unpacking and packing
the device, do not use force and only use suitable
tools. Check:

· The modules by performing a visual inspection to
ensure flawless mechanical condition.

· The scope of delivery (see chap. 3.7 and 3.8) with
respect to completeness before beginning with
assembly and installation.

If it must be assumed that safe operation of your
basic device with module is not possible:

1. Switch off the power to your system (your

device)!

2. Secure it against being switched back on!

3. Check to be sure it is de-energized!

4. Ground and short circuit the system (device)!

5. Cover or block off adjacent live parts!

Safe operation is impossible, if, for example, the
basic device with module:

· has visible damage,

· no longer functions despite an intact power supply,

· was subjected to extended periods of unfavorable
conditions (e.g. storage outside of the permissible
climate thresholds without adjustment to the room
climate, condensation, etc.) or transport stress
(e.g. falling from an elevated position, even without
visible external damage, etc.).

3.4 Intended use

The modules/components

· Are intended as expansion or transfer modules for
the basic device UMG 801 in switch cabinets and
small distribution boards.

· Must only be mounted with basic devices that are
disconnected from the power supply (see chap. „4.
Mounting“ on page 18).

INFORMATION

Please note:

More information on certain functions of the basic
device with modules can be found in the usage
information for the basic device.

The basic device and the modules (800-CT8-A and
800-CON) are not designed for installation:

· In vehicles! Use of the basic device with modules
in non-stationary equipment is considered an
exceptional environmental condition and is only
permissible by special agreement.

· In environments with harmful oils, acids, gases,
vapors, dusts, radiation, etc.

· In potentially explosive environments.

3.5 Overview of module functions

800-CT8-A module:

· 8 current measurement inputs (2 groups of 4)

· Measuring category 300 V CAT II

· Nominal current 1 A/5 A configurable

ATTENTION

Improper handling may cause damage to the
module and result in material damage!

The contacts of the bus connectors (Janbus interface)
can bend or break off and destroy the bus connector.

· Never touch or manipulate the contacts of the bus
connector!

· Never force the bus connector into the module!
Please refer to the chapter on this „4. Mounting“

on page 18.

· When handling, transporting and storing
the module, protect the contacts of the bus
connector!

800-CON module:

· JanBus interface (proprietary) via bus connector
and twisted pair, shielded data cable (1:1
connection via shield clamps) to device and module
series (see section „5.4 Data cable for connecting
the 800-CON transfer modules“ on page 31).

3.6 EU conformity declaration

Please see the EU declaration of conformity posted
at www.janitza.de for the laws, standards and
directives applied by Janitza electronics GmbH for
the devices.

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3.7 Scope of delivery, 800-CT8-A current
measuring module.

Quan-

tity

Tab. Scope of delivery, 800-CT8-A current measuring module

Part. no. Designation

1 52.31.201

1 52.31.207

1 10.01.953 End bracket

1 33.03.378

1 33.03.342

1 33.03.059 “Mounting” supplement

1 10.01.853

Module 800-CT8-A
(current measuring module)

Bus connector - Current measuring
module

Installation instructions (DE/EN)
"Current measuring module for the
UMG 801"

"Safety information” supplement
(12 languages)

Screw terminal, plug-in, 8-pole
(current measurement I1..I4 and
I5..I8)

3.8 Scope of delivery, 800-CON transfer
module (set of 2).

Quan-

tity

Tab. Scope of delivery, 800-CON transfer module

Part. no. Designation

1 52.31.210

1 52.31.208 Bus connector - Transfer on right

1 52.31.209 Bus connector - Transfer on left

2 10.02.188 Shield clamps

2 10.01.953 End bracket (Weidmüller)

1 33.03.379

1 33.03.342

1 33.03.059 “Mounting” supplement

2 10.01.938 Screw terminal, plug-in, 8-pole

800-CON module - Transfer module
(set of 2)

Installation instructions (DE/EN)
"Transfer modules for the UMG 801"

"Safety information” supplement
(12 languages)

3.9 Accessories “800-CON transfer module”

Quan-

Tab. Accessories

Part. no. Designation

tity

1 08.02.451

1 08.02.452

Data cable for connecting the
"transfer modules" (1000 mm ­pre-assembled, twisted pair data
cable)

Data cable for connecting the
"transfer modules" (225 mm ­pre-assembled, twisted pair strand­ed hook-up wires)

INFORMATION

· The modules are delivered with the necessary
screw terminals and bus connectors (JanBus
interface) for connection to the basic device or
other modules.

· All supplied options and design variants are
described on the delivery note.

· With the GridVis® network analysis software
available at www.janitza.de, you can configure
your basic device with modules and read out data
for analysis (prerequisite: PC connection with your
basic device).

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Modules 800-CT8-A | 800-CON

3.10 Operating concept

Options to configure the basic device with current
measuring module or to read measured values:

· Display and buttons on the basic device (user
interface).

· GridVis® network analysis software.

· RS-485 interface or Ethernet interface.

INFORMATION

Please take note of the documentation of your
basic device (without the module)! Basic or
identical information and chapters, such as

· Commissioning

· Configuration

· Technical data

· Error messages

· Procedure in the event of a malfunction, etc.

can be found in the usage information of your
basic device.

A list of parameters and Modbus addresses with
data on your basic device with module is available
for you as a download at www.janitza.de.

3.11 GridVis® network analysis software

With the GridVis® software, you have the perfect
tool for programming, reading out and visualizing
measurement data (download at www.janitza.de).

Performance characteristics of the GridVis®
software

· Configuration of the device

· Graphic display of measured values

· Online help and tutorials

Connections to the PC (GridVis® software)

Connections for communication between the PC
and the basic device with modules can be found in
chapter 6 on page 32.

INFORMATION

This user manual describes the modules and
provides information on the operation of the
modules via the basic device (UMG 801).
The GridVis® software has an online help with
tutorials.

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4. Mounting

CAUTION

Disregard of the assembly instructions may cause
property damage or personal injury!

Disregard of the assembly instructions may cause
damage to your basic device with module or destroy
it and/or may also result in personal injury.

· In addition to the installation instructions for
your module, also observe the installation
instructions for your basic device, in particular
the safety and warning information.

· Before installing modules

- Disconnect the supply of power to the system!

- Secure it against being switched on!

- Check to be sure it is de-energized!

- Ground and short circuit!

- Cover or block off adjacent live parts!

· Provide adequate air circulation in your installa-
tion environment and cooling, as needed, when
the ambient temperatures are high.

· Return defective modules to Janitza electronics
GmbH in accordance with the shipping in­structions for air or road freight (complete with
accessories).

· All usage information is also available as a
download at www.janitza.de.

2. If this has not yet been done, plug the bus
connector (JanBus interface) included in delivery
into the sockets on the rear of your module.

ATTENTION

Improper handling may cause damage to the
module and result in material damage!

The contacts of the bus connectors (Janbus interface)
can bend or break off and destroy the bus connector.

· Never touch or manipulate the contacts of the
bus connector!

· Never force the bus connector into the module!

· When handling, transporting and storing the
module, protect the contacts of the bus con­nector!

4.1 Mounting the 800-CT8-A module

Observe the mounting instructions for your basic
device (e.g. check bus connector installation!) and
mount the 800-CT8-A module in the de-energized
system as follows:

1. Press in the bottom bolts on the rear of the
module.

Bottom bolts

Fig.: Module rear view

INFORMATION

press

Bus connector

Bus connector
Twisted

Press the bus connector
contacts into the module
sockets

The following module assembly sequence must be
observed!

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Fig.: Module rear view.