Features Functions Versions Specifications Software
 
Connection variant 8 AI-RTD 8 TC 4 AI-RTD 4 TC
Analog inputs
(mV, mA, thermocouples, RTDs)		 8 (max. 4 Pt100(0)) 0 4 (max. 2 RTD)
Analog inputs (thermocouples) 0 8 4
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 > 5GΩ
Dielectric withstand voltage
(tolerable overvoltage)		 ±24 VDC
Max. differential voltage channel to channel ±24 VDC
Galvanic isolation against FE ±400 VDC
Measuring accuracy voltage, current 0.01% from upper range value
Measuring accuracy resistance measurement 0.01% of the measuring range end value (4-wire connection),
0.1% of the measuring range end value (3-wire connection after additional offset determination)
Measuring accuracy thermocouples* 0.1 % from measuring range after sensor compensation
Measuring accuracy Pt 100
(4-wire connection)		 Measuring range -260 °C to 147 °C: 0.10 °C
Measuring range -260 °C to 596 °C: 0.10 °C
Measuring range -260 °C to 849 °C: 0.22 °C
Measuring accuracy Pt 1000
(4-wire connection)		 Measuring range -260 °C to 64 °C: 0.10 °C
Measuring range -260 °C to 408 °C: 0.10 °C
Measuring range -260°C to 849 °C: 0.18 °C

* These measuring accuracies apply to positive measuring temperatures (> 0°C). For measurements in the negative temperature range, we recommend calibration at the respective operating point.
 
Connection variant 8 AI-RTD 8 TC 4 AI-RTD 4 TC
Digital / frequency inputs or rather
Digital / PWM outputs (switchable)		 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
 
Connection variant 8 AI-RTD / 8 TC / 4 AI-RTD 4 TC
Interfaces
LAN 10BASE-T/100-BASE-TX
USB device – mini socket 2.0 low-/full-/high-speed
USB host – type A socket 2.0 low-/full-/high-speed
Protocols
TCP/IP Modbus TCP Client (optional)
Modbus TCP Server
OPC UA Client (optional)
OPC UA Server
OPC UA HA Server (optional)
NTP, SMTP, PTP
Data storage
Internal 16 GB (approx. 30 million measured values per GB)
External USB, NFS, CIFS, (S)FTP
General technical information
Dimensions approx. L 150 mm x W 190 mm x H 80 mm
Weight approx. 800 g
Temperature range -20 .. 60° C
Humidity max. 90 % relative humidity, non-condensing
Supply voltage 24 VDC / ± 10 %
Power consumption (without using aux. voltage) max. 7.5 Watt
 
 

 

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