RMS-DI-L-R - Digital Input Module

The digital input module stores all measured data on an event basis and sends it to the database via Ethernet. The minimum pulse time is 100 ms. Should the connection be lost, the module stores the data intermediately to protect data integrity and fills up the data gaps when the connection has been restored. The device has a battery so that logging of measured data is also ensured in the event of a failure in the external power supply.


  • Two input channels
  • Data logging of up to 75,000 measured values
  • Compatible with RMS-Config, RMS On-Premise and RMS SaaS
  • Conforms to FDA CFR 21 Part 11 / GAMP 5


  • Monitoring / Process control
  • Safety and automation
  • Direct condition control

Compatible with:

  • RMS-Config
  • RMS-WEB On-Premise
  • RMS-CLD SaaS solutions
Device type RMS-DI-L-R
Inputs 2 independent digital inputs
Range of application -40…70 °C / 0...100 %RH
Power consumption >24 VDC ±10 % / <100 mA / PoE: 802.3af-2003, Class 1
AC adapter requirements 24 VDC ±10 % / 4 W nominal /<15 W power-limited
Battery RMS-BAT
Battery lifetime 3 years at 23 °C
Input frequency Max. 0.833 Hz or 1.2 s
Pulse recognition >100 ms (periodically > 1.2 s)
Input circuit Logic level: 0 V / 5-24 V
Trigger threshold: ~3.77 V
Current consumption: <1 mA
Reed circuit Max. load at input 100 kΩ
Measurement interval Event-based & interval (10 s to 15 min.)
Storage capacity 75,000 data points
Communication interfaces Ethernet
Protocols HTTP
Fire protection class UL94-V0
Housing Polycarbonate
IP protection rating IP20
Max. cable length <3 m
FDA / GAMP FDA 21 CFR part 11 / GAMP5
Storage and transport conditions -40..30 °C / 0..95 %RH
Dimensions 89.7 x 62.2 x 108 mm
Maximum altitude 2000 m ASL
Weight 206 g

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