OPEARTING MANUAL
Technische Änderungen vorbehalten
B+B Thermo-Technik GmbH | Heinrich-Hertz-Str. 4 | D-78166 Donaueschingen
0141 0315-100 17.08.2015
Fon +49 771 83160 | Fax +49 771 831650 | [email protected] | bb-sensors.com
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2.2
Electrical Specifications
Power Supply
8–36 VDC
4M: 8-30 VDC / 5 V USB / max. 1,2 W
Consumption
max. 100 mA
Outputs/ analog
(For 4M output 1 and 2 are freely selectable: Analog mA/mV, Alarm mA/mV, TCK)
Channel 1
selectable: 0/ 4–20 mA, 0–5/ 10 V, thermocouple (J or K) or alarm output (Signal source: object temperature)
Channel 2 [LT/ G5/ P3/ P7 only]
Head temperature [-20...180 °C/ -20...250 °C on 21H and 101Hot] as 0–5 V or 0–10 V output or alarm
output (Signal source switchable to object temperature or electronic box temperature if used as alarm
output)
Alarm output
Open collector output (NPN type) at Pin AL2 [24 V/ 50 mA]
Output impedances
mA
max. loop resistance 500 Ω
mV
min. 100 kΩ load impedance
Thermocouple
20 Ω
Digital interfaces
USB, RS232, RS485, Profibus DP, Ethernet, Modbus RTU (optional plug-in modules)
Relay outputs
2 x 60 VDC/ 42 VACRMS, 0,4 A; optically isolated (optional plug-in module)
Functional inputs / I/O Pins
F1-F3; software programmable for the following functions:
•
external emissivity adjustment
•
ambient temperature compensation
•
trigger (reset of hold functions)
Input impedance F2 and F3:
43 kΩ
4M: I/O1-3 pins freely selectable via software
