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Function

This isolated barrier is used for intrinsic safety applications.

The device transfers digital signals (NAMUR sensors or dry contacts) from a hazardous area to a safe area.

Each input controls an active transistor output.

Via switches the mode of operation can be reversed and the line fault detection can be switched off.

A fault is signalized by LEDs acc. to NAMUR NE44 and a separate collective error message output.

Connection : Power Rail or terminals 14+, 15-

Rated voltage Ur : 19 ... 30 V DC

Ripple : ≤ 10 %

Rated current Ir : 20 ... 15 mA + Iout

Power dissipation: ≤ 900 mW including maximum power dissipation in the output

2-channel isolated barrier

24 V DC supply (Power Rail)

Dry contact or NAMUR inputs

Active transistor output

Line fault detection (LFD)

Reversible mode of operation

Up to SIL 2 (SC 3) acc. to IEC/EN 61508