Digital inputs/outputs with HART, 16 channels

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Digital I/O modules

Versatile modules for digital signals in hazardous locations
The digital I/O modules (DIOM) are suitable for connecting up to 16 intrinsically safe digital signals. The channels can be used in pairs as inputs for contacts or proximity switches, or as outputs for low-power solenoid valves or pilot lights. In addition, frequency/counter inputs are available with or without rotation direction recognition.

The digital I/O modules (DIOM) can be used to connect up to 16 intrinsically safe digital signals. All channels can be used in pairs as inputs for passive contacts or NAMUR proximity switches (EN 60947-5-6) or as outputs for low-power solenoid valves or I.S. pilot lights.

Up to eight inputs can be used as frequency inputs/counters up to 20 kHz, and up to four inputs can be used in the "Rotation direction recognition" and "Forwards/backwards counter" operating modes. The I.S. inputs/outputs are short-circuit proof and galvanically isolated from the system.

A blue LED and diagnostic messages provide early warnings that maintenance is required in order to avoid system downtime.
The Zone 1 and Class I Div.1 versions have additional LEDs for each channel to indicate any line faults and the switching state.

  • *Versatile: Channels can be used in pairs as input or output
  • Versions with Ex ia intrinsically safe inputs/outputs for installation in Zone 1, 2 and Class I Div.1, 2
  • Hot-swappable: Can be replaced while the system is in operation in explosive atmospheres

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Certificates
Zone Filter
Class1 Division and Zone
Application range (zones)
Ex interface zone
Max. Voltage Uo
Max. Current Io
Max. power Po
Channel status LEDs

5 Series (6 Products)

Ex NAMUR digital input module Ex i inputs, 16 channels for Zone 1/Div. 1 Series 9470/22 R. STAHL

NAMUR digital input module Ex i inputs, 16 channels for Zone 1/Div. 1 Series 9470/22

  • Sixteen channels for contacts and NAMUR proximity switches – can also be used for frequencies
  • Ex ia IIC intrinsically safe inputs with line fault monitoring
  • Module in Zone 1 can be replaced without having to disconnect the power supply (i.e. hot-swapped)
Ex Digital input/output module for Zone 1 Series 9470/32 R. STAHL

Digital input/output module for Zone 1 Series 9470/32

  • 16 channels can be used in pairs as inputs or outputs
  • Intrinsically safe Ex ia IIC inputs/outputs with line fault monitoring and an LED fault and status display for each channel
  • Module in Zone 1 can be replaced without having to disconnect the power supply (i.e. hot-swapped)
Ex Digital input/output module for Zone 2 Series 9470/33 R. STAHL

Digital input/output module for Zone 2 Series 9470/33

  • 16 channels can be used in pairs as inputs or outputs
  • Ex ia IIC intrinsically safe inputs/outputs with line fault monitoring
  • Module in Zone 2 can be replaced without having to disconnect the power supply (i.e. hot-swapped)
Ex NAMUR digital input/output module for Zone 2 Ex n Series 9471/35 R. STAHL

NAMUR digital input/output module for Zone 2 Ex n Series 9471/35

  • 16 channels can be used in pairs as inputs or outputs
  • Ex ec inputs/outputs with line fault monitoring and an LED fault and status display for each channel
  • Module in Zone 2 can be replaced without having to disconnect the power supply (i.e. hot-swapped)
Ex 24 V digital input/output modules for Zone 2 Ex n 9472/35 R. STAHL

24 V digital input/output modules for Zone 2 Ex n 9472/35

  • Sixteen channels can be used in pairs as inputs or outputs (24 V/0.5 A)
  • Ex ec inputs/outputs with line fault monitoring, an LED fault and status display for each channel and SIL2 shutdown input
  • Module in Zone 2 can be replaced without having to disconnect the power supply (i.e. hot-swapped)

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