• Gossen Metrawatt
  • Camille Bauer

Characteristic Values

U1601 U1603 U1602
Item number U1601 U1603 U1602
Product details page Details Details Details
Dynamic range limit ±1,25 X2 ±1,25 X2 ±1,25 X2
Analog output (voltage)<br/>Analog output (current)
Protection Terminals: IP 20
Housing: IP 40
Terminals: IP 20
Housing: IP 40
Terminals: IP 20
Housing: IP 40
Participants per segment 16 (32 where loop resistance is less than < 100 Ω) 16 (32 where loop resistance is less than < 100 Ω) 16 (32 where loop resistance is less than < 100 Ω)
Max. input current ≤ 2.5 X2 ≤ 2.5 X2 ≤ 2.5 X2
Relative humidity 75%, no condensation allowed 75%, no condensation allowed 75%, no condensation allowed
Model Switching output (binary): electrically isolated, passive
Switching output (relay): electrically isolated
Electrically isolated Electrically isolated Electrically isolated Switching output (binary): electrically isolated, passive
Switching output (relay): electrically isolated
Electrically isolated Electrically isolated Electrically isolated Switching output (binary): electrically isolated, passive
Switching output (relay): electrically isolated
Electrically isolated Electrically isolated Electrically isolated
Connection elements Plug strip with screw connector (up to 255 users) Pin strip, sub- miniature D9 Plug strip with screw connector (up to 63 users per station) Plug strip with screw connector (up to 255 users) Pin strip, sub- miniature D9 Plug strip with screw connector (up to 63 users per station) Plug strip with screw connector (up to 255 users) Pin strip, sub- miniature D9 Plug strip with screw connector (up to 63 users per station)
Input resistance 118kΩ
X2: 20 mA: 75 Ω
X2: 5 mA: 300 Ω
118kΩ
X2: 20 mA: 75 Ω
X2: 5 mA: 300 Ω
118kΩ
X2: 20 mA: 75 Ω
X2: 5 mA: 300 Ω
Terminal resistor Can be connected Can be connected Can be connected
Maximum values ??of measuring intervals; with date and time P maxint: the 10 highest values from all measuring intervals after the specified starting time
P maxDay: respective daily maximum value for the current day and the last 10 days
P maxMonth: respective monthly maximum value for the current month and the last 12 months
P maxYear: the highest value from the current year, and the highest values from the last four years
E maxint: the 10 highest values from all measuring intervals after the specified starting time
E maxMonth: respective monthly maximum value for the current month and the last 12 months
E maxYear: the highest value from the current year, and the highest values from the last four years
P maxint: the 10 highest values from all measuring intervals after the specified starting time
P maxDay: respective daily maximum value for the current day and the last 10 days
P maxMonth: respective monthly maximum value for the current month and the last 12 months
P maxYear: the highest value from the current year, and the highest values from the last four years
E maxint: the 10 highest values from all measuring intervals after the specified starting time
E maxDay: respective daily maximum value for the current day and the last 10 days
E maxMonth: respective monthly maximum value for the current month and the last 12 months
E maxYear: the highest value from the current year, and the highest values from the last four years
P maxint: the 10 highest values from all measuring intervals after the specified starting time
P maxDay: respective daily maximum value for the current day and the last 10 days
P maxMonth: respective monthly maximum value for the current month and the last 12 months
P maxYear: the highest value from the current year, and the highest values from the last four years
E maxint: the 10 highest values from all measuring intervals after the specified starting time
E maxDay: respective daily maximum value for the current day and the last 10 days
E maxMonth: respective monthly maximum value for the current month and the last 12 months
E maxYear: the highest value from the current year, and the highest values from the last four years
Input quantity Direct voltage (square-wave pulses, S0 compatible)
Direct current
Direct current (square-wave pulses, S0 compatible) Direct voltage (square-wave pulses, S0 compatible)
Direct current
Direct current (square-wave pulses, S0 compatible) Direct voltage (square-wave pulses, S0 compatible)
Direct current
Direct current (square-wave pulses, S0 compatible)
Input range –X2 ≤ X ≤ +X2 –X2 ≤ X ≤ +X2 –X2 ≤ X ≤ +X2
Max. output current Analog output (voltage): ≤ 40 mA
Analog output (current): ≤ 25 mA
Analog output (voltage): ≤ 40 mA
Analog output (current): ≤ 25 mA
Analog output (voltage): ≤ 40 mA
Analog output (current): ≤ 25 mA
Perm. switching elements Semiconductor switch, relay Semiconductor switch, relay Semiconductor switch, relay
Type of storage Consecutive Consecutive Consecutive
Transmission speed Channel A/B: 1200 … 115,000 bit/s 78 kbps Channel A/B: 1200 … 115,000 bit/s 78 kbps Channel A/B: 1200 … 115,000 bit/s 78 kbps
Display element Graphic LCD, 128 x 128 (illuminated)
Number 1 (FTT-10, 2-wire twisted-pair) 1 (channel A and channel B) 2 Switching output (binary): 4
Switching output (relay): 2
1 (FTT-10, 2-wire twisted-pair) 1 (channel A and channel B) 2 Switching output (binary): 4
Switching output (relay): 2
1 (FTT-10, 2-wire twisted-pair) 1 (channel A and channel B) 2 Switching output (binary): 4
Switching output (relay): 2
Storage of measured values
Interpulse period Toff (parameters configurable) ≥ 2 ms ≥ 2 ms ≥ 2 ms
Costs
Pulse frequency ≤ 250 Hz ≤ 250 Hz ≤ 250 Hz
Climatic withstand capability
Max. input voltage Continuous ≤ 48 V
Short-term (t ≤ 1 s) ≤ 60 V
≤ 30 V Continuous ≤ 48 V
Short-term (t ≤ 1 s) ≤ 60 V
≤ 30 V Continuous ≤ 48 V
Short-term (t ≤ 1 s) ≤ 60 V
≤ 30 V
Mounting position Any Any Any
Parity Even / no check Even / no check Even / no check
Display
Operation mode Handshake Xon/Xoff or RTS / CTS
Full-duplex
Multi-master, half-duplex or full-duplex LonTalk protocol (CSMA) Handshake Xon/Xoff or RTS / CTS
Full-duplex
Multi-master, half-duplex or full-duplex LonTalk protocol (CSMA) Handshake Xon/Xoff or RTS / CTS
Full-duplex
Multi-master, half-duplex or full-duplex LonTalk protocol (CSMA)
Accumulated energy for defined periods E Day for the current day and each of the last 10 days
E Month for the current month and each of the last 12 months
E Year for the current year, last year, and the year before last
E int for all saved measuring intervals (measurement data list)
E Day for the current day and each of the last 10 days
E Month for the current month and each of the last 12 months
E Year for the current year and each of the last four years
E int for all saved measuring intervals (measurement data list)
E Day for the current day and each of the last 10 days
E Month for the current month and each of the last 12 months
E Year for the current year and each of the last four years
E int for all saved measuring intervals (measurement data list)
Pulse duration Ton (parameters configurable) 10ms - 2550ms 10ms - 2550ms 10ms - 2550ms
Operating cycles Switching output (relay): ≤ 10^5 Switching output (relay): ≤ 10^5 Switching output (relay): ≤ 10^5
Max. output voltage Analog output (voltage): ≤ 12,5 V
Analog output (current): ≤ 30 V
Analog output (voltage): ≤ 12,5 V
Analog output (current): ≤ 30 V
Analog output (voltage): ≤ 12,5 V
Analog output (current): ≤ 30 V
Altitude To 2000 m To 2000 m To 2000 m
Power
Status display 2 LEDs 1 LON LED active 2 LEDs 1 LON LED active 2 LEDs 1 LON LED active
Final value Y2 20 mA
10 V
10 V
20 mA
10 V
20 mA
Bus termination 50/100 Ω can be connected 50/100 Ω can be connected 50/100 Ω can be connected
Data protocol HDLC/SDLC (adapted to multi-master needs). HDLC/SDLC (adapted to multi-master needs). HDLC/SDLC (adapted to multi-master needs).
Load range Analog output (voltage): 2,5 kΩ ≤ 5 kΩ < ∞
Analog output (current): 0 ≤ 250 Ω ≤ 400 Ω
Analog output (voltage): 2,5 kΩ ≤ 5 kΩ < ∞
Analog output (current): 0 ≤ 250 Ω ≤ 400 Ω
Analog output (voltage): 2,5 kΩ ≤ 5 kΩ < ∞
Analog output (current): 0 ≤ 250 Ω ≤ 400 Ω
Analog input (voltage)<br/>Analog input (current)
Switching current Switching output (binary) OFF: ≤ 10 μA
Switching output (binary) ON: ≤200 mA
Switching output (relay): 8 A ohmic, 3 A inductive
Switching output (binary) OFF: ≤ 10 μA
Switching output (binary) ON: ≤200 mA
Switching output (relay): 8 A ohmic, 3 A inductive
Switching output (binary) OFF: ≤ 10 μA
Switching output (binary) ON: ≤200 mA
Switching output (relay): 8 A ohmic, 3 A inductive
Volume resistance (AC/DC) Switching output (binary): 5 Ω Switching output (binary): 5 Ω Switching output (binary): 5 Ω
Binary input
Mean values ??of measuring intervals P int for all saved measuring intervals (measurement data list) P int for all saved measuring intervals (measurement data list) P int for all saved measuring intervals (measurement data list)
Reset of counts to zero Via PC or device keyboard Via PC or device keyboard Via PC or device keyboard
Energy
Transmission (Hamming distance = 4) 15,6 … 375 kbps 15,6 … 375 kbps 15,6 … 375 kbps
Switching voltage Switching output (binary): ≤ ±50 V
Switching output (relay): 250 V~, 30 V=
Switching output (binary): ≤ ±50 V
Switching output (relay): 250 V~, 30 V=
Switching output (binary): ≤ ±50 V
Switching output (relay): 250 V~, 30 V=
Output range –Y2 ≤ Y ≤ +Y2 –Y2 ≤ Y ≤ +Y2 –Y2 ≤ Y ≤ +Y2
Accumulated energy from defined starting point E tot tariff-independent
E tot T1 from tariff 1 only
E tot T2 from tariff 2 only
E tot T1T2 from tariff 1 + tariff 2
E tot tariff-independent
E tot T1 from tariff 1 only
E tot T2 from tariff 2 only
E tot T1T2 from tariff 1 + tariff 2
E tot tariff-independent
E tot T1 from tariff 1 only
E tot T2 from tariff 2 only
E tot T1T2 from tariff 1 + tariff 2
Common-mode rejection ≥ 80 dB (≤120 Hz) ≥ 80 dB (≤120 Hz) ≥ 80 dB (≤120 Hz)
Switching element Switching output (binary): Semiconductor relay
Switching output (relay): Relay (changeover)
Switching output (binary): Semiconductor relay
Switching output (relay): Relay (changeover)
Switching output (binary): Semiconductor relay
Switching output (relay): Relay (changeover)
LON interface (interface module for LON)
Dimensions (W x H x D) 212 x 125 x 85 mm 212 x 125 x 85 mm 212 x 125 x 85 mm
Accumulated costs from defined starting point CostT1 from tariff 1 only
CostT2 from tariff 2 only
CostT1T2 from tariff 1 + tariff 2
CostT1 from tariff 1 only
CostT2 from tariff 2 only
CostT1T2 from tariff 1 + tariff 2
CostT1 from tariff 1 only
CostT2 from tariff 2 only
CostT1T2 from tariff 1 + tariff 2
Weight 1.6kg 1.6kg 1.6kg
Duration of storage With backup battery: ≥ 5 years (see also auxiliary power supply - backup battery) With backup battery: ≥ 5 years (see also auxiliary power supply - backup battery) With backup battery: ≥ 5 years (see also auxiliary power supply - backup battery)
Storage depth With one channel: 87,380 entries
With 64 channels: 3971 entries
With one channel: 87,380 entries
With 64 channels: 3971 entries
With one channel: 87,380 entries
With 64 channels: 3971 entries
RS232 interface (M-Bus)
Mounting type Top-hat rail mounting
Screw mounted
Top-hat rail mounting
Screw mounted
Top-hat rail mounting
Screw mounted
Output quantity Direct voltage
Direct current
Direct current
Direct voltage
Direct current
Direct voltage
Connection options Channel A: ECL, modem, terminal, radio-controlled clock
Channel B: ECL, printer, radio-controlled clock. OFF
Channel A: ECL, modem, terminal, radio-controlled clock
Channel B: ECL, printer, radio-controlled clock. OFF
Channel A: ECL, modem, terminal, radio-controlled clock
Channel B: ECL, printer, radio-controlled clock. OFF
Topology (line and/or open ring) ≤ 100 m: mixed
≤ 1200 m: open loop
≤ 100 m: mixed
≤ 1200 m: open loop
≤ 100 m: mixed
≤ 1200 m: open loop
Number of data bits 8 8 8
Series resistor (internal) 4,7 kΩ 4,7 kΩ 4,7 kΩ
Format 21 characters, 16 lines
Temperature range Operation/function: –10 °C … +55 °C
Storage, transport: –25 °C … +70 °C
Operation/function: –10 °C … +55 °C
Storage, transport: –25 °C … +70 °C
Operation/function: –10 °C … +55 °C
Storage, transport: –25 °C … +70 °C
RS485 interface (Modbus)
Alternating component Analog output (voltage): 0.5% Analog output (voltage): 0.5% Analog output (voltage): 0.5%
Instantaneous value P mom calculated on the basis of the interval between the last two pulses P mom calculated on the basis of the interval between the last two pulses P mom calculated on the basis of the interval between the last two pulses
Cable lengths Bus, terminated: ≤ 2700 m with special cable
Free topology: ≤ 500 m
Bus, terminated: ≤ 2700 m with special cable
Free topology: ≤ 500 m
Bus, terminated: ≤ 2700 m with special cable
Free topology: ≤ 500 m
Material housing Metal Metal Metal
Permissible deviation 10 ppm = 5.3 min. per year
Smallest time unit 1 s

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