User Documentation

Appendix B. Installation Drawings ACT20X-HTI-SAO (Temperature/mA Converter)
1066530000/08/12-2018 91
Appendix B. Installation Drawings ACT20X-HTI-SAO (Temperature/mA Converter)
ATEX Installation Drawing
The module is available in the following variants:
Order No. Installation Drawing Type
8965470000
2456180000
4 50594 Sheet 1-2
ACT20X-HTI-SAO-S
ACT20X-HTI-SAO-P
8965480000
2456190000
4 50595 Sheet 1-2
ACT20X-2HTI-2SAO-S
ACT20X-2HTI-2SAO-P
DANGER
For safe installation of the Temperature and mA Converter ACT20X-(2)HTI-(2)SAO the following
must be observed: The module may only be installed by qualified personnel familiar with the
national and international laws, directives and standards that apply to this region.
DANGER
To prevent ignition of explosive atmospheres, disconnect power before servicing and do not
separate connectors when energized and an explosive gas mixture is present.
For installation in Zone 2, the module must be installed in an outer enclosure having an IP protection of at
least IP54 according to type of protection Ex-n or Ex-e.
In type of protection “intrinsic safety for group IIIC” the parameters for intrinsic safety for gas group IIB are
applicable.
If the sensor circuits (Terminals 11…14, 21…24) have been installed in a type of protection other than
“intrinsic safety”, the module must not be re-installed in type of protection ”intrinsic safety”.
The module must be installed in pollution degree 2, overvoltage category II as defined in EN 60664-1.
Do not separate connectors when energized and an explosive gas mixture is present.
The wiring of unused terminals is not allowed.
The year of manufacture can be taken from the first two digits in the serial number.
Wire cross-section: AWG 26...12 / 0.13...3.31 mm
2
Number of wires per terminal: 1 wire or 2 wires in a common ferrule
Tightening torque per terminal, max.: 0.6 Nm