Analog I/P 8x I, 0/4-20mA, +-20mA, Iso., 16 Bit

The scope of delivery already includes the appropriate front connector for the cabling and a base module. The module has 8 analog inputs.

General information

• Dimensions (DxWxH) 110 x 25 x 73 mm
• Weight Approx. 110 g
• Number of inputs 8
• Power dissipation Max. 1 W
• Parameter configuration length 44 Bytes
• General error indicator Red LED
• Hot-swap capable Yes
• Hot-swap capable Yes

Electrical isolation

• from the backplane bus Yes
• Between the channels Yes

Current draw

• External Not needed
• Internal Max. 140 mA

Measuring

• Measuring ranges / load resistance
  • 0 ... 20 mA / 50 ohms,
  • 4 ... 20 mA / 50 ohms,
  • ±20 mA / 50 ohms
• Measuring method Integration
• Measurement resolution 15 bits + sign
• Interference frequency suppression None | 10 Hz | 50 Hz | 60 Hz | 400 Hz
• Refresh rate / conversion rateThe conversion time will depend on the interference frequency suppression:
  • None: 2 ms
  • 400 Hz: 8 ms
  • 60 Hz: 51 ms
  • 50 Hz: 60 ms
  • 10 Hz: 160 ms
• Diagnoses Upper measuring range limit exceeded (overflow), Lower measuring range limit fallen below (underflow), Wire break (for 4 ... 20 mA only), Parameter assignment error
• Process alarms Upper and lower limit per channel

Error limits

• Operational error limit in the entire temperature range ±0.2 % relative to the nominal range
• Basic error limit at 25 °C ±0.1 % 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

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

SKU: HELMZ-600-250-7BH21

MPN: 600-250-7BH21