User Documentation

Product Installation / Operation
1066540000/08/12-2018 23
7. Product Installation / Operation
7.1 ACT20X-HDI-SDO (NAMUR Pulse Isolator)
7.1.1 Description
The pulse isolator ACT20X-HDI-SDO is a special signal isolator/converter for NAMUR sensor signals from
within Ex Zone 0. The product is able for an intrinsically safe operation of NAMUR sensors or for contacts
with floating and resistance circuits.
Transistor or relay outputs are available on the output side. A dual-channel version is optionally available.
The following NAMUR pulse isolators are available:
Order No. Type Description
8965340000
2456050000
ACT20X-HDI-SDO-RNO-S
ACT20X-HDI-SDO-RNO-P
NAMUR pulse isolator – relay NO
8965350000
2456060000
ACT20X-HDI-SDO-RNC-S
ACT20X-HDI-SDO-RNC-P
NAMUR pulse isolator – relay NC
8965360000
2456070000
ACT20X-HDI-SDO-S
ACT20X-HDI-SDO-P
NAMUR pulse isolator
8965370000
2456080000
ACT20X-2HDI-2SDO-RNO-S
ACT20X-2HDI-2SDO-RNO-P
2-channel NAMUR pulse isolator – relay NO
8965380000
2456090000
ACT20X-2HDI-2SDO-RNC-S
ACT20X-2HDI-2SDO-RNC-P
2-channel NAMUR pulse isolator – relay NC
8965390000
2456100000
ACT20X-2HDI-2SDO-S
ACT20X-2HDI-2SDO-P
2-channel NAMUR pulse isolator