Helmholz 600-253-4BH21 AI 8 x R, RTD, 16 bit, 2 wire Module

Code: 600-253-4BH21

Marque: Helmholz

General information
	Order number	600-253-4BH21
	Article name	AI 8 x R, RTD, 16 bit, 2 wire
	Scope of delivery	AI 8 x R, RTD, 16 bit, 2 wire
Number of inputs		8
Electrical isolation
	from the backplane bus	Yes
	Between the channels	No
Internal		Max. 140 mA
Power dissipation		Max. 1 W
Measuring ranges		150 Ohm / 300 Ohm / 600 Ohm / 3000 Ohm / 6000 Ohm PT 100 / PT 1000 Ni 100 / Ni 1000 LGNi 1000 PT 100 Klima / PT 1000 Klima
Measuring method		Integration
Measurement resolution		15 bits + sign
Interference frequency suppression		None \| 10 Hz \| 50 Hz \| 60 Hz \| 400 Hz
Refresh rate / conversion rate		Number of active channels x conversion time +16 ms for wire break detection for each channel when activated. The conversion time will depend on the interference frequency suppression: None: 8 ms 400 Hz: 45 ms 60 Hz: 109 ms 50 Hz: 128 ms 10 Hz: 342 ms
Diagnoses		Upper measuring range limit exceeded (overflow), lower measuring range limit fallen below (underflow), wire break, parameter assignment error
Process alarms		Upper and lower limit per channel
Error limits
	Operational error limit in the entire temperature range	±0.5 % relative to the nominal range
	Basic error limit at 25 °C	±0.3 % relative to the nominal range
	Temperature error	±0.005 %/K relative to the nominal range
	Linearity error	±0.05 %/K relative to the nominal range
	Repeating accuracy in steady state at 25 °C	±0.05 %/K relative to the nominal range
Parameter configuration length		10 Bytes
General error indicator		Red LED
Hot-swap capable		Yes
Ambient conditions
	Ambient temperature	0 °C … +60 °C
	Transport and storage temperature	-20 °C … +80 °C
	Relative air humidity	95 % r H without condensation
	Protection rating	IP 20
	Certifications	CE, UL
UL
	Surrounding Air Temperature	0 °C … +60°C
	Pollution degree	2
CE
	Noise immunity	DIN EN 61000-6-2 “EMC Immunity”
	Interference emission	DIN EN 61000-6-4 “EMC Emission”
	Vibration and shock resistance	DIN EN 60068-2-6:2008 „Vibration“, DIN EN 60068-2-27:2010 „Shock"
	RoHS	Yes
	REACH	Yes