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U1602, U1603
www.datasheet4u.com
ENERGY CONTROL SYSTEM
3-349-046-03
2/8.05
• 64 processing channels
physical inputs or LON meter outputs can be assigned
for the calculation of energy, power and costs
Energy Control Language
for the programming of analysis,
monitoring and optimization applications
• LON interface for 63 LON devices
• Two RS 232 interfaces (115 kBit/s)
for connection to PC, modem, printer or radio-controlled clock
• Two ECS LAN interfaces
for the linking of individual summators over great distances
• Simple software update via serial interface (Flash)
U1603
• 6 universal inputs: ± 5 mA, ± 20 mA, ± 10 V, S0 pulse
• 2 analog outputs: ± 20 mA or ± 10 V
• 2 relays and 4 MOS switches for controlling external processes
QUALITY MANAGEMENT SYSTEM
DQS certified per
DIN EN ISO 9001 Reg. No.1262
Applications
The U1602 micro-summator and the U1603 mini-summator are
used as PC adapters or LON interfaces for the ECS LAN, and are
not equipped with any display or operating elements. Inputs and
outputs expand the U1603 mini-summator into a miniature data
collector and optimization unit.
Meter Inputs
Up to 63 LON devices can be connected to the U1602 micro-
summator or the U1603 mini-summator via the easy-to-wire,
polarity-reversal-protected, electrically isolated LON interface:
• Multifunctional power meter
A2000
• Programmable multi-measuring transducer DME 400
• Electricity meter
U1681, U1687, U1689
• Meter reading module
U1660
• Analog input module
U1661
• Relay output module
OCL210 by Littwin
Analysis
All relevant energy and consumption data are logged over defined
time periods at a programmable interval via 64 processing chan-
nels and are stored to memory as load profiles along with the cor-
responding maximum values.
Beyond this, the U1603 mini-summator is also capable of pro-
cessing analog or pulse signals via six input channels with config-
urable parameters.
Operation
The U1603 is equipped with two analog outputs, four MOS
switches and two relays (changeover contacts) for the control of
external processes. Data exchange with a PC, as well as remote
querying via modem are accomplished via the RS 232 interface
(115 kBit / s). A radio-controlled clock for the synchronization of
system time, as well as a report printer, can also be connected.
Networking
Individual summators can be linked into a network over great
distances with the multi-master compatible ECS LAN with free
selection of network topology, and have unrestricted access to all
data available from each of the network users.
Universal Application
Both the U1602 micro-summator and the U1603 mini-summator
are suitable for customer-specific calculations, analyses, monitor-
ing and optimization thanks to integrated high-level intelligence
and the system-specific ECL programming language - even inde-
pendent of the Energy Control System.
Variable Installation
The compact housing and IP protection have been laid out for
rugged industrial use, and the modules can be mounted to top-
hat rails in accordance with EN50022. They can also be mounted
with screws, or integrated into the control cabinet. Installation is
user-friendly and easy with plug-in screw terminals.
GOSSEN METRAWATT GMBH

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U1602, U1603
ENERGY CONTROL SYSTEM
Applicable Regulations and Standards
EN 61010-1
www.datasheet4u.com
DIN 43864
VDE 0470 Part 1
IEC 68 Part 2-6
UL 94
EMC Standards
Safety requirements for electrical equipment for
measurement, control and laboratory use
Current interface for pulse transmission between
impulse meters and tariff devices
IP protection provided by enclosures (DIN 40050)
Basic environmental test procedure
Sinusoidal oscillation
Test for flammability of plastic materials for parts in
devices and appliances
see Technical Data
Symbols and their Meanings
Symbol
X
X2
Y
Y2
Meaning
Measured quantity, analog input
Upper range value of measured quantity
Output quantity, analog output
Upper range value of output quantity
Memory Capacities per Channel
Energy
Cumulative Energy as of a Defined Starting Time
E tot Independent of tariff
E tot T1
For tariff 1 only
E tot T2
For tariff 2 only
E tot T1T2
For tariff 1 + tariff 2
Cumulative Energy for Defined Time Periods
E Day
For current day and each of the last 10 days
E Month
For current month and each of the last 12 months
E Year
for current year and each of the last 4 years
E Int For all stored measuring intervals (measurement data list)
Maximum Values for Measuring Intervals, with Date and Time Stamp
E maxInt
The 10 highest values for all measuring intervals
as of a defined starting time
E maxDay
Maximum value for the current day,
and for each of the last 10 days
E maxMonth
Maximum daily value for the current month,
and for each of the last 12 months
E maxYear
Maximum value for the current year,
and for each of the last 4 years
Costs
Cumulative Costs as of a Defined Starting Time
CostT1
For tariff 1 only
CostT2
For tariff 2 only
CostT1T2
For tariff 1 + tariff 2
Power
Instantaneous Power
P mom
Determined from the time interval between the last two pulses
(with connection to E1 ... E12)
Mean Values for Measuring Intervals
P int For all stored measuring intervals (measurement data list)
Maximum Values for Measuring Intervals, with Date and Time Stamp
P maxInt
The 10 highest values from all measuring intervals
as of a defined starting time
P maxDay
Maximum value for the current day,
and for each of the last 10 days
P maxMonth
Maximum daily value for the current month,
and for each of the last 12 months
P maxYear
Maximum value for the current year,
and for each of the last 4 years
Technical Data
Inputs (U1603)
The 6 inputs can be configured individually with the DIP switches.
Analog Input (Current)
Input quantity
Design
Input range
Upper range value X2
Max. input current
Control limit
Input resistance
X2: 20 mA
X2: 5 mA
Common mode rejection
direct current
electrically isolated
–X2 X +X2
5 mA/20 mA
2.5 X2
±1.25 X2
75 Ω
300 Ω
80 dB (120 Hz)
Analog Input (Voltage)
Input quantity
Design
Input range
Upper range value X2
Max. input voltage
Control limit
Input resistance
direct voltage
electrically isolated
–X2 X +X2
10 V
30 V
±1.25 X2
118 kΩ
Common mode rejection
80 dB (120 Hz)
Binary Input
Input quantity
Design
Operating point (adjustable)
Max. input voltage
continuous
intermittent (t 1 s)
Series impedance (internal)
Allowable switching elements
Pulse duration Ton (adjustable)
Interpulse period Toff
Pulse frequency
direct voltage (square-wave pulses, SO compatible)
electrically isolated
signal level: L: 0.5/1.25/2.5/3.5 mA
48 V
60 V
4.7 kΩ
semiconductor switches, relays
10 2550 ms
2 ms
250 Hz
2 GOSSEN METRAWATT GMBH

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U1602, U1603
ENERGY CONTROL SYSTEM
Outputs:
The 2 analog outputs can be configured individually with the
www.dDaItPasshweeittc4hue.cso.m
Analog Output (Current) (U1603)
Output quantity
direct current
Design
electrically isolated
Output range
–Y2 Y +Y2
Upper range value Y2
20 mA
Max. output voltage
30 V
Max. output current
25 mA
Load range
0 250 Ω ≤ 400 Ω
Analog Output (Voltage) (U1603)
Output quantity
direct voltage
Design
electrically isolated
Output range
–Y2 Y +Y2
Upper range value Y2
10 V
Max. output voltage
12.5 V
Max. output current
40 mA
Load range
2.5 kΩ ≤ 5 kΩ < ∞
Alternating component
0.5 %
Switching Output (Binary) (U1603)
Switching element
semiconductor relay
Design
electrically isolated, passive
Number
4
Switching voltage
≤ ±50 V
Switching current
ON
OFF
200 mA
10 μA
Volume resistance (AC/DC)
5Ω
Switching Output (Relay) (U1603)
Switching element
relay (changeover contact)
Design
electrically isolated
Number
2
Switching voltage
250 V~, 30 V=
Switching current
Operating cycles
8 A resistive, 3 A inductive
105
Power Supply For External Switching Contacts
Voltage UV
(electrically isolated)
24 V =
Voltage tolerance
± 4%
Current (short-circuit and
idling proof)
0.15 A
Alternating component
(100 kHz)
2%
RS 232 Interface (PC / Printer)
Number
2
Connectors
plug connector, sub miniature D9 plug
Possible connection to
COM1/COM2: PC, modem, terminal, printer, radio-controlled clock
Number of data bits
8
Transmission speed
COM1/ COM2: 1200 115000 bit/s
Parity
even / no check
Operating Mode
FDX
handshake Xon / Xoff or RTS / CTS
ECS LAN Interface (For Linking Summators) (RS 485)
Number
2
Connectors
threaded plug connector (up to 255 users)
Users per segment
16 (32 with loop resistance < 100 Ω)
Operating mode
multi-master, HDX or FDX
Data protocol
HDLC/SDLC (adapted to multi-master requirements)
4-wire, device to device
2-wire, bus
1200 m
100 m
Transmission
(hamming distance = 4)
15.6 375 kbps
Status display
2 LEDs
Matching resistors
can be activated
LON Interface (for Connecting Meters)
Number
1 (FTT-10, twisted pair wires)
Connectors
threaded plug connector
(up to 63 users per summator)
Operating mode
LonTalk protocol (CSMA)
Cable lengths
wiring as desired
bus, terminated
500 m
2700 m with special cable
Transmission speed
78 kbps
Status display
1 LED, LON active
Bus termination
can be activated 50/100 Ω
Measurement Value Storage
Storage mode
continuous
Memory depth
with 2 channels: 65530 entries
with 64 channels: 3966 entries
Memory life span
with backup battery 5 years
(see also auxiliary power supply - backup battery)
Resetting of meters to zero
via PC
Time and Date Clock
Smallest unit of measure
Admissible deviation
1s
10 ppm = 5.3 min per year
Functions Monitoring
Status display
Status relay
Switching voltage
Switching current
Operating cycles
with LED at front panel
changeover contact
250 V ~, 30 V =
8 A resistive, 3 A inductive
105
GOSSEN METRAWATT GMBH
3