janitza UMG 103-CBM Installationsanleitung Seite 9

Current measurement
8
11 11 Establish connection to PC Establish connection to PC
The device
• is only approved for measuring current with
The 3 most common connections for communication The 3 most common connections for communication
a current transformer.
between PC and device are described in the following: between PC and device are described in the following:
• is intended for the connection of current
transformers with secondary currents of
1. 1.
RS485 RS485
RS232 RS232 RS232 RS232
PC/ PC/
../1 A and ../5 A.
UMG 103-CBM
RS485 RS485
GridVis® GridVis®
• has the current transformer ratio set to 5/5 A
as standard.
Device connection via interface Device connection via interface
RS485 RS485
UMG 103-CBM
converter. • The current transformers must have a base converter.
insulation according to IEC 61010-1: 2010
for the nominal voltage of the circuit.
2. 2. c c
USB USB RS485 RS485
PC/ PC/ USB USB
UMG 103-CBM
Danger of injury due to
GridVis® GridVis® RS485 RS485
electrical voltage!
WARNING!
Device connection via interface Device connection via interface
RS485 RS485
UMG 103-CBM
converter. converter.
Serious bodily injury or death
can result from:
• Contact with bare or stripped live wires.
• Current measurement inputs on the device
3. 3.
Ethernet Ethernet RS485 RS485
PC/ PC/
and on the current transformer that are
UMG 103-CBM
UMG 604 UMG 604
GridVis® GridVis®
dangerous to touch.
Render the system free of voltage before
Connection of the device Connection of the device
UMG 103-CBM
RS485 RS485
starting work! Check the system is free of
via an UMG 604 as gateway. via an UMG 604 as gateway.
electrical energy!
Earth the system! Use the earth connection (gedrehtes Patchkabel) (gedrehtes Patchkabel)
C C C C
NOTE! NOTE!
points with earthing symbols for this!
Install the "GridVis®" software on the PC Install the "GridVis®" software on the PC
Earth the secondary windings of current
to be used! to be used!
transformers and all of the metal parts of
the transformer that could be touched!
(gedrehtes Patchkabel) (gedrehtes Patchkabel)
(gedrehtes Patchkabel) (gedrehtes Patchkabel)
Connections and control elements
13
Procedure in the event of faults Procedure in the event of faults
15 15
Current measurement connection
C A B
RS485
Possible fault Possible fault Cause Cause
Interface
External fusing for the power supply voltage has tripped. Replace fuse. External fusing for the power supply voltage has tripped. Replace fuse.
No LED lights No LED lights
Device is defective. Device is defective.
Coding
Current measurement in the wrong phase. Current measurement in the wrong phase. switches
for setting the
Current transformer factor programmed incorrectly. Current transformer factor programmed incorrectly.
device address
Measured current is too large Measured current is too large
The peak current value at the measurement input has The peak current value at the measurement input has
or too small. * or too small. *
been exceeded by harmonic components. been exceeded by harmonic components.
Underrange. Underrange.
Voltage measurement in the wrong phase. Voltage measurement in the wrong phase.
Measured voltage is too large Measured voltage is too large
Red LED
or too small. * or too small. *
Voltage transformer incorrectly programmed. Voltage transformer incorrectly programmed.
Underrange. Underrange. Green LED
Measured voltage is too Measured voltage is too
The peak voltage value at the measurement input has The peak voltage value at the measurement input has
small. * small. *
been exceeded by harmonic components. been exceeded by harmonic components.
The programmed current transformer transformation The programmed current transformer transformation
Connection of measurement
ratio is incorrect. ratio is incorrect.
voltage and supply voltage
Active power is too large or Active power is too large or
The current path is assigned to the wrong voltage path. Check connection and correct if necessary. The current path is assigned to the wrong voltage path. Check connection and correct if necessary.
too small. * too small. *
Coding switches
The programmed voltage transformer transformation The programmed voltage transformer transformation
ratio is incorrect. ratio is incorrect.
You can configure the device address with the
At least one current transformer connection is mixed At least one current transformer connection is mixed
coding switches as follows:
Active power imported Active power imported
up/reversed. up/reversed.
supply / supply is reversed. supply / supply is reversed.
Configure the device addresses in
A current path is assigned to the wrong voltage path. A current path is assigned to the wrong voltage path.
x1
the range of 01 to 99 with the coding
No connection with the device. RS485: Device address is incorrect or wrong protocol. No connection with the device. RS485: Device address is incorrect or wrong protocol.
(1-9)
switches.
Despite the measures above Despite the measures above
Device is defective. Device is defective.
the device does not work. the device does not work.
The device address 00 is reserved for
x10 Material damage from overloaded measurement inputs! Material damage from overloaded measurement inputs!
m m m m
service purposes (further information
*... CAUTION! *... CAUTION!
Too high current and voltage values overload the measurement inputs. Too high current and voltage values overload the measurement inputs.
(10-90)
in the user manual). Observe the limits stated on the nameplate and in the user manual! Observe the limits stated on the nameplate and in the user manual!
Connection "Current measurement via current
transformers".
L3
S 1 S 2
L2
S 1 S 2
Consumer
L1
S 1 S 2
UMG 103-CBM
C A B
UMG 103-CBM
UMG 103-CBM
c c
Danger of injury due
UMG 103-CBM to high currents and high
electrical voltages!
WARNING!
Current transformers operating with an open
secondary circuit (high voltage peaks) can
result in serious or even fatal injuries.
UMG 103-CBM
Fig. UMG 103-CBM Fig. UMG 103-CBM
Avoid open operation of the current transformers
- short-circuit unloaded transformers!
UMG 103-CBM
C C
NOTE!
• Further information on current trans-
formers can be found in the user
manual.
• Current transformer ratios can be
configured via the software.
LEDs
The green LED illuminates. Measurement
Remedy Remedy
and supply voltages lie within the operating
voltage range. The device is operational.
Send device to the manufacturer for repair. Send device to the manufacturer for repair.
The LED flashes for 0.5 sec. every 5 secs.
Check connection and correct if necessary. Check connection and correct if necessary.
The green LED flashes.
Read out current transformer ratio and program. Read out current transformer ratio and program.
Data transfer (RS485) is active.
Install current transformers with a larger current Install current transformers with a larger current
transformer ratio. transformer ratio.
The LEDs flash at the same time.
Install current transformers with a smaller current Install current transformers with a smaller current
transformer ratio. transformer ratio.
The data transfer (RS485) is faulty.
Check connection and correct if necessary. Check connection and correct if necessary.
The red LED illuminates. Fault in the device!
Read out voltage transformer ratio and program. Read out voltage transformer ratio and program.
Have the device checked by the manufacturer!
Install voltage transformers. Install voltage transformers.
Attention. It must be ensured that the measuring Attention. It must be ensured that the measuring
The red LED flashes. At least one current
inputs are not overloaded. inputs are not overloaded.
measurement input or voltage measurement
Read out current transformer ratio and program with Read out current transformer ratio and program with
input exceeds the measurement range. the software GridVis. the software GridVis.
The LEDs flash alternately.
Read out voltage transformer ratio and program. Read out voltage transformer ratio and program.
Firmware checksum fault! Operation is
interrupted! Carry out a firmware update!
Check connection and correct, if necessary. Check connection and correct, if necessary.
Adjust the device address / select protocol. Adjust the device address / select protocol.
Send device and error description to verify the Send device and error description to verify the
manufacturer. manufacturer.
Connection variants for current measurement
9
12 12 Example: PC connection via RS485 interface and UMG 604 as gateway Example: PC connection via RS485 interface and UMG 604 as gateway
Three-phase, four-conductor Single-phase, three-conductor
system
The PC connection of the device via the RS485 The PC connection of the device via the RS485
serial interface with, for example, an UMG 604 serial interface with, for example, an UMG 604
as gateway (see step "Established connection to as gateway (see step "Established connection to S1 S2
PC") is a method PC") is a method S1 S2
S1 S2
• for configuring the device(s) • for configuring the device(s)
• and reading out data. • and reading out data.
RS485 bus RS485 bus
e.g. connection to the e.g. connection to the A A
UMG 604 as gateway UMG 604 as gateway
B B
(Master) (Master)
Current measurement via current Current measurement in the
transformer in three-phase, single-phase, three-conductor
four-conductor system
C A B
Three-phase,
four-conductor system
Current measurement via
2 current transformers in three-
phase, four-conductor system
Fig. UMG 103-CBM
Technical data Technical data
14
General information
Net weight 200 g (0.44 lb)
FCC Compliance Statement FCC Compliance Statement
h = 98 mm (3.86 in),
Device dimensions w = 71.5 mm (2.82 in),
This equipment has been tested and found to comply with the limits for This equipment has been tested and found to comply with the limits for
d = 46 mm (1.18 in)
a Class B digital device, pursuant to part 15 of the FCC Rules. These a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful limits are designed to provide reasonable protection against harmful
Ambient coditions during operation
interference in a residential installation. This equipment generates, uses interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used The device and can radiate radio frequency energy and, if not installed and used
• weatherproof and use stationary!
in accordance with the instructions, may cause harmful interference to in accordance with the instructions, may cause harmful interference to
• fulfills the conditions in accordance with DIN IEC 60721-3-3
radio communications. However, there is no guarantee that interference radio communications. However, there is no guarantee that interference
• has protection class II according to IEC 60536 (VDE 0106,
will not occur in a particular installation. If this equipment does cause will not occur in a particular installation. If this equipment does cause
part 1) and does not require a protective earth connection.
harmful interference to radio or television reception, which can be de- harmful interference to radio or television reception, which can be de-
Operating temperature range -25° C .. +60° C (-13° F..to 140° F)
termined by turning the equipment off and on, the user is encouraged to termined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures: try to correct the interference by one or more of the following measures: 5 to 95% (at +25° C / 77°F))
Relative humidity
without condensation
—Reorient or relocate the receiving antenna. —Reorient or relocate the receiving antenna. 0 .. 2000 m (1.24 mi) above
Operating altitude
sea level
—Increase the separation between the equipment and receiver. —Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that —Connect the equipment into an outlet on a circuit different from that
Degree of pollution 2
to which the receiver is connected. to which the receiver is connected.
Housing flammability class UL94V-0
—Consult the dealer or an experienced radio/TV technician for help. —Consult the dealer or an experienced radio/TV technician for help.
Installed position any
Code of Federal Regulations, Title 47, Part 15, Subpart B - Code of Federal Regulations, Title 47, Part 15, Subpart B - 35 mm top hat rail (according to
Fixing/mounting
IEC/EN 60999-1, DIN EN 50022)
Unintentional Radiators Unintentional Radiators
2 joules, IK07 according to
Stress by impact
IEC / EN61010-1: 2010
Ventilation no external ventilation required.
Protection against ingress
IP20 according to EN60529
of solid foreign bodies and
September 2000, IEC60529:1989
water
9 / 10
C C
NOTE!
system
RS485 bus structure RS485 bus structure If the range is exceeded, the red LED
• In an RS485 bus structure (line), you connect • In an RS485 bus structure (line), you connect
flashes. (see Step „connections and
S1 S2 all devices in accordance with the Master-Slave all devices in accordance with the Master-Slave control elements")
principle. principle.
S1 S2
• One segment of an RS485 bus structure can • One segment of an RS485 bus structure can
include up to 32 subscribers/devices. include up to 32 subscribers/devices.
• Terminate the cable at the start and end of a • Terminate the cable at the start and end of a
segment with termination resistors (120 Ω, 0.25 W). segment with termination resistors (120 Ω, 0.25 W).
A e.g. connection A e.g. connection
The device has no termination resistor. The device has no termination resistor.
to further to further
B B
Slave devices Slave devices • With more than 32 subscribers, repeaters must • With more than 32 subscribers, repeaters must
be used to connect segments. be used to connect segments.
system
C A B Correct Correct
Terminal strip (switch cabinet).
Device with RS485 interface
(without termination resistor).
Incorrect Incorrect
Device with RS485 interface
(termination resistor on the
device).
C C C C
NOTE! NOTE!
The coding switches can be used in the The coding switches can be used in the
RS485 bus structure to allocate the Slave RS485 bus structure to allocate the Slave
devices (UMG 103-CBM) devices (UMG 103-CBM)
• different device addresses. • different device addresses.
• different device addresses to the Master • different device addresses to the Master
device (UMG 604). device (UMG 604).
The UMG 103-CBM detects the transmission The UMG 103-CBM detects the transmission
speed (Baud rate) automatically! speed (Baud rate) automatically!
Fig. UMG 103-CBM
Measurement data recording
Memory (Flash)
Record storage
(all profiles activated)
Battery (soldered)
Typical life expectancy
Transport and storage
The following information applies to devices which are trans-
ported or stored in the original packaging.
Free fall
Temperature
1
13 13
Terminal strip (switch cabinet).
Device with RS485 interface
(without termination resistor).
Device with RS485 interface
(termination resistor on the
device).
x1
(1-9)
x10
(10-90
4 MB
(1024 Sectors a 4kB)
16000 records
BR 1632, 3V
8 - 10 years
1 m (39.37 in)
-20° C to +70° C
(-4°F to 158°F)