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Digital output modules

Efficient modules for digital output signals in hazardous locations
R. STAHL's digital output modules (DOM) are suitable for connecting up to eight intrinsically safe solenoid valves or pilot lights. The outputs are designed for operating various different solenoid valves and in certain configurations are also suitable for SIL 2 output shut down. Relay outputs for non-I.S. signals or integrated pilot solenoid valves also feature in the range.

Digital output modules (DOM) can be used to operate four or eight intrinsically safe solenoids, hydraulic valves and indicator elements. The Ex ia/ib intrinsically safe output characteristics are optimally configured for a wide range of solenoid valves. An I.S. control input for the Plant-Stop switch (IEC 61508 up to SIL 2) is also available for the Zone 1 and Class I Div.1 versions.

The I.S. 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.

In addition, there are versions with relay outputs for non-I.S. solenoid valves and with eight integrated pilot solenoid valves for direct pneumatic connection.

  • Efficient: Four or eight channels for virtually all solenoid valves (I.S., explosionproof), or alternatively with integrated pneumatics
  • outputs intrinsically safe, Ex eb/non incendive or pneumatics for installation in Zone 1, 2 and Class I Div.1, 2 – separate control input for SIL 2 plant-stop
  • Hot-swappable: Can be replaced while the system is in operation in explosive atmosphere

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8 Series (13 Products)

Explosion Protection
Ex Digital Output Module 4-Channel Version for Zone 1 / Class I, Div.2 Series 9475/32-04-72 R. STAHL

Digital Output Module 4-Channel Version for Zone 1 / Class I, Div.2 Series 9475/32-04-72

  • 4 channels for I.S. hydraulic and solenoid valves up to 95 mA
  • Ex ib outputs with line fault monitoring and LED error and status indication for each channel plus SIL 2 plant-Stop input
  • Module hot swap in Zone 1 and Class I, Div. 2
Explosion Protection
Ex Digital Output Module 4-channel Version for Zone 1 / Class I, Div. 1 Series 9475/32-04-x2 R. STAHL

Digital Output Module 4-channel Version for Zone 1 / Class I, Div. 1 Series 9475/32-04-x2

  • 4 channels for I.S. solenoid valves up to 40 mA
  • Intrinsicallyt Safe outputs with line fault monitoring and LED error and status
    indication for each channel plus SIL 2 Plant-Stop input
  • Module hot swap in Zone 1 and Class I, Div. 1
Explosion Protection
Ex Digital Output Module 8-channel version for Zone 1 / Class I, Div.1 Series 9475/32-08-xx R. STAHL

Digital Output Module 8-channel version for Zone 1 / Class I, Div.1 Series 9475/32-08-xx

  • 8 channels for I.S. solenoid valves up to 30 mA
  • Intrinsically Safe outputs with line fault monitoring and LED error and status indication for each channel plus SIL 2 Plant-Stop input
  • Module in Zone 1 and Class I, Div. 1 can be replaced during operation (hot swap)
Explosion Protection
Ex Digital Output Module 8-channel Version for Zone 2 / Class I, Div. 2 Series 9475/33-08-xx R. STAHL

Digital Output Module 8-channel Version for Zone 2 / Class I, Div. 2 Series 9475/33-08-xx

  • 8 channels for I.S. solenoid valves up to 30 mA
  • Intrinsically Safe outputs with line fault monitoring
  • Module in Zone 2 and Class I, Div. 2 can be replaced during operation (hot swap)
Explosion Protection
Ex Digital Output Module Relay for Zone 1 / Class I, Div. 1 Series 9477/12 R. STAHL

Digital Output Module Relay for Zone 1 / Class I, Div. 1 Series 9477/12

  • With up to 8 normally open relay contacts
  • Non-I.S. outputs with a high switching capacity up to 100 VA
  • Module hot swap in Zone 1 and Class I, Div. 1
Explosion Protection
Ex Socket for Digital Output Module Relay Series 9490 R. STAHL

Socket for Digital Output Module Relay Series 9490

  • Zone 1, connection by means of Ex e terminals
  • For digital output module relay 9477/12
Explosion Protection
Ex Digital Output Module Valve for Zone 1 / Class I, Div. 1 Series 9478 R. STAHL

Digital Output Module Valve for Zone 1 / Class I, Div. 1 Series 9478

  • 8 channels for pneumatic valves
  • Pneumatic outputs with integrated 3/2-way solenoid valves and SIL 2 Plant-Stop input
  • Module in Zone 1 and Class I, Div. 1 can be replaced during operation (hot swap)
Explosion Protection
Ex Digital Output Module Relay for Zone 2 / CIass I, Div. 2 nonincendive Series 9477/15 R. STAHL

Digital Output Module Relay for Zone 2 / CIass I, Div. 2 nonincendive Series 9477/15

  • With 8 volt-free relay contacts
  • Ex ec/NI outputs with a high switching capacity up to 100 VA
  • Module hot swap in Zone 2 and Class I, Div. 2

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