Isolation amplifier

Isolation amplifier and isolating switching repeater

Isolating switch repeater and Zener diode barrier

Isolating switching repeater
TS-500 Ex

Input for switching contacts, Namur initiators according to DIN EN 60947-5-6 or optocouplers
With 230 V AC or 24 V DC supply voltage
Available as 1- or 2-channel version
Switchable monitoring of the input circuit for wire break and short circuit

Isolating switching repeater
TS125 / TS225

1- or 2-channel isolation switching amplifier for digital switching signals
Safe galvanic isolation between input / output / supply voltage
Functional safety up to SIL2 acc. EN61508, also available in Ex version
Supply voltage 24 V DC or via wide-range power supply
Available as 1- or 2-channel version

Universal isolation amplifier TV 500-Ex
Universal Ex seperator ST 500-Ex

Universal isolation amplifier with internal supply for 2- and 3-wire sensors
Universal inputs 0/4 ... 20 mA and 0/2 ... 10 V DC, intrinsically safe acc. ATEX II (1) G [Ex ia] IIC and ATEX II (1) D [Ex iaD]
Outputs 0/4 ... 20 mA simultaneously 0/2 ... 10 V DC
Galvanic isolation between input / output / auxiliary voltage
22.5 mm standard housing for DIN rail mounting

Universal isolation amplifier
TV125M / ST125M

Single-channel isolation amplifier for safe galvanic isolation between input / output / supply voltage
Input for standard signals 0/4 ... 20 mA or 0/2 ... 10 V DC
As ST125 with integrated supply for 2- and 3-wire sensors
Functional safety up to SIL2 acc. EN61508, also as Ex version
Configuration via front DIP switches

Zener diode barrier
MTL 7787+

Safety barrier to prevent the ignitability of circuits within an explosive area
Two stages of pulse-tested zener/on-state diodes per channel, for limiting voltage and current in hazardous areas
All models have 'ia' certification for all zones and 'IIC' for all explosive atmospheres