Appendix
Operating instructions RHD 87
ELTROPLAN
-
REVCON
Elektrotechnische Anlagen GmbH
13
Appendix
13.1
Options
1.
Fuse holder with fuses for mains supply
In accordance with table 3.3.3.1.1-5 for the power feedback unit the following fuses are
available
REVCON
®
- type
Order designation
Case type
RHD 7 to RHD 110
SH RHD ZZZ-XXX
A
RHD 125 to RHD 250
SH RHD ZZZ-XXX
B
ZZZ
≅
rated power of the power feedback unit
XXX
≅
rated voltage of the power feedback unit
2.
Option IL (Isolating lacquer)
To protect the electronic components of the power feedback unit from pollution of the
cooling air, all printed circuit boards may be coated with an isolating lacquer. This option
improves the service reliability, but it doesn’t release the user from the duty to observe
the in chapter 3.2 specified application conditions.
3.
Overvoltage-suppressor
If the power feedback unit (as well as a controller) is connected to ungrounded mains
supply, it only may be run, either if it is connected via an isolating transformer or if the
plant is protected by overvoltage suppressors. But also with grounded mains supply it
may be useful to install overvoltage suppressors, if it is possible, that voltage peaks occur.
For choosing the best overvoltage suppressor for your specific application, please get in
contact with one of our technicians.
4.
PLC-interface
The PLC-interface makes it possible to deliver the LED messages by opto-isolator for the
message to the SPS.
5.
PPB
The option PPB is required if a RHF-R is used to prevent a device defect at phase inter-
changing.