Burkert 6104 Instructions De Service page 11

Data on technical function
Coils of Type G1 642 735 are available in 2 versions:
1) Version for use with supply modules 300 Ω (300 Ω barrier)
2) High resistance version for use with other approved supply modules (e.g. 8-fold
remote I/O from Company Stahl).
Version
Versionf or use with
300 Ω supply module
High resistance
version
The maximum voltage and current values are determined by the permissible electrical
equipment.
Permissible ambient temperature range
The maximum permissible ambient temperature depends on the input power,
temperature class and the type of assembly. The relevant values should be taken from
the above tables.
Type of protection
At least IP 20 to EN 60529 (DIN VDE 0470 Part 1).
Resistor Min. terminal
R20 [Ω] voltage [V]
320 9.3
510 11.7
Min. current Distinction
[mA] code
29 01
23 02
01 ATEX 2173 - 9