All data overview
Channel type | 8 AI-RTD 8 AI 4 AI-RTD 4 AI | |||
Analog inputs | 8 8 4 4 | |||
Appropriate for RTDs | 4 0 2 0 | |||
Sensors | mV, mA, thermocouples, RTDs (no RTDs with channel types 8 AI and 4 AI) | |||
Total sampling rate | 0.1 Hz .. 500 Hz | |||
Voltage measurement range | ±78 mV .. ±10 V | |||
Current measuring range | 0 .. 20 mA / 4 .. 20 mA / ±20 mA / any (with freely selectable external shunts) | |||
Resistance measurement range | 0 .. 49 kΩ | |||
Resolution/Type ADC | 24 bit Sigma-Delta | |||
Input impedance | > 5 GΩ | |||
Dielectric withstand voltage (tolerable overvoltage) | ±24 VDC | |||
Max. differential voltage channel to channel | ±24 VDC | |||
Galvanic isolation against FE | ±400 VDC | |||
Precision of current and voltage measurement | 0.01% from upper range value | |||
Prescision resistance measurement | 0.01% from upper range value (4-wire connection), 0.1% from upper range value (3-wire connection after additional offset determination) | |||
RTD precision | 0.1 K (4-wire connection), 1 K (3-wire connection) | |||
Thermocouples precision | < 1.5 K (internal reference junction) after compensation | |||
Digital / frequency inputs or rather Digital / PWM outputs (switchable) | 2 2 2 2 | |||
Input signal | low: 0 .. 1 V / high: 3,6 .. 100 VDC@3,5 mA | |||
Frequency input measuring range | 0.2 Hz .. 500 Hz | |||
Counter width | 64 bit | |||
Max. switching voltage / current | 50 V / 2.5 A for 2 seconds, 250 mA continuous current | |||
PWM basic frequency / duty cycle | 100 Hz / 1:20 | |||
Galvanic isolation | ±400 VDC against FE / other channel groups | |||
Modul type | Loggito Logger | Loggito USB | ||
Interfaces | ||||
LAN | 100 Base-Tx | - | ||
WLAN | 802.11b/g/n, max. 72 MBit/s (optional) | - | ||
USB device – mini socket | 2.0 low/full/high speed | 2.0 low/full speed | ||
USB host – type A socket | 2.0 low/full/high speed | - | ||
Protocols | ||||
TCP/IP | Modbus TCP server & client, OPC UA client, OPC UA server | - | ||
Data storage | ||||
Internal | 4 / 8 GB (approx. 30 million measurement values per GB) | - | ||
External | USB, NFS, CIFS, (S)FTP | - | ||
General technical information | ||||
Dimensions | approx. L 95 mm x W 67 mm x H 65 mm | |||
Weight | approx. 220 g | approx. 170 g | ||
Fixing | mounting rail DIN EN 60715 or screw mounting horizontally / vertically or upwards | |||
Connecting terminals | plug-in spring terminals, max. 24 terminals in 2 rows, conductor cross-section (rigid / flexible) 0.2 .. 2.5 mm², ferrule 0.25 .. 1.5 mm² | |||
Temperature range | -20 .. 60° C | |||
Humidity | max. 90 % relative humidity, non-condensing | |||
Supply voltage | 12 .. 24 VDC / ±10 % | 5 VDC (via mini USB connector) | ||
Power input | max. 7.5 watts | max. 2.5 watt |