1. A module for measuring a current flowing in a conductor of a low-voltage distribution board, the module comprising:
a current sensor configured to detect the current;
a microprocessor circuit configured to process an output signal emitted by the current sensor; and
a module housing which accommodates the current sensor and the microprocessor circuit,
wherein the module housing includes an opening for passing the current conductor therethrough, an interface having two current connections, which are connected to the microprocessor circuit and are connectable to an external voltage source, and a connecting element for releasably fastening the module in the low-voltage distribution board, and
wherein the opening extends from a side of the module housing bearing the interface, through the current measuring module, to an opposite side of the module housing, and the module is configured to be DC-isolated from the current conductor after the module has been installed in the low-voltage distribution board.
2. The module as claimed in claim 1, wherein the opening is in the form of an elongated hole.
3. The module as claimed in claim 1, wherein the connecting element is in the form of a hook.
4. The module as claimed in claim 1, wherein the connecting element is in the form of a pluggable web which is oriented in the direction of the current conductor.
5. The module as claimed in claim 4, comprising:
a temperature sensor arranged in the web and having an output which is connected to the microprocessor circuit.
6. The module as claimed in claim 4, comprising:
a pluggable safety element arranged on the module housing.
7. The module as claimed in claim 1, wherein the connecting element is in the form of a screw terminal recessed in the housing, and the connecting element has a clamping screw which is configured to be guided into the opening.
8. The module as claimed in claim 1, comprising:
a display apparatus arranged in a surface of the module housing and being configured to be driven by the microprocessor circuit.
9. The module as claimed in claim 1, wherein the interface comprises two data line connections for transferring digital data.
10. A low-voltage distribution board having a current measuring module as claimed in claim 1, wherein the module is configured to be releasably fastened to one of an additional plug-in socket of the low-voltage distribution board, a DIN rail-mounted device, and the current conductor.
11. The low-voltage distribution board as claimed in claim 10, wherein:
the connecting element is in the form of a hook; and
the releasable fastening has a snap connection which contains the hook and in which the hook engages behind a lug.
12. The low-voltage distribution board as claimed in claim 10, wherein:
the connecting element is in the form of a pluggable web which is oriented in the direction of the current conductor;
the releasable fastening has a clamping connection which contains the pluggable web and in which the web is arranged in a first one of two terminal compartments of a double-level terminal of the DIN rail-mounted device; and
the current conductor is arranged in a second one of the two terminal compartments of the double-level terminal, which is configured as a current connection of the DIN rail-mounted device, and is fixed via a terminal screw.
13. The low-voltage distribution board as claimed in claim 10, wherein:
the connecting element is in the form of a screw terminal recessed in the housing and has a clamping screw which is configured to be guided into the opening of the module; and
the releasable fastening has a clamping connection which contains the screw terminal and in which the module is fixed by clamping the current conductor in the screw terminal.
14. The low-voltage distribution board as claimed in claim 11, wherein:
the module has an interface which includes two current connections and two connections for transferring digital data; and
the distribution board has a communication module which is connected to the interface, and is configured to connect the current measuring module to an external voltage source, preprocess the digital data transferred by the current measuring module and transfer the data to an optionally standardized protocol.
15. The module as claimed in claim 1, wherein the module housing is formed in a box-like shape.
16. The module as claimed in claim 1, wherein the connecting element is in the form of a plug part with a dovetail-like profile.
17. The module as claimed in claim 5, comprising:
a pluggable safety element arranged on the module housing.
18. The module as claimed in claim 1, wherein the clamping screw is comprised of plastic.
19. The module as claimed in claim 2, wherein the connecting element is in the form of a screw terminal recessed in the housing, and the connecting element has a clamping screw which is configured to be guided into the opening.
20. The module as claimed in claim 19, wherein the clamping screw is comprised of plastic.
21. The module as claimed in claim 8, wherein the display apparatus comprises light-emitting diodes.
22. The low-voltage distribution board as claimed in claim 10, wherein:
the connecting element is in the form of a plug part with a dovetail-like profile; and
the releasable fastening has a plug-in connection which contains the plug part and in the plug part engages behind an undercut of one of the additional plug-in socket and the DIN rail-mounted device in a positively locking manner.
23. The low-voltage distribution board as claimed in claim 12, wherein:
the module has an interface which includes two current connections and two connections for transferring digital data; and
the distribution board has a communication module which is connected to the interface, and is configured to connect the current measuring module to an external voltage source, preprocess the digital data transferred by the current measuring module and transfer the data to an optionally standardized protocol.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. For use with a reproduction apparatus with process stations for forming a toner particle image on a receiver sheet and fusing said image to said receiver sheet, wherein the fusing station includes a fuser roller heated to a sufficient temperature to fuse toner to the receiver sheet, and a release agent metering station to apply a release oil to said fuser roller to substantially prevent toner particle offset thereto, said release agent metering station comprising:
a reservoir for holding a supply of release agent material;
an anilox roller, associated with said reservoir, having a surface with a plurality of metering cavities, on the order of 400 cavities per inch to 1200 cavities per inch, for holding metered amounts of release agent material from said reservoir; and
a donor member disposed in contact with said anilox roller and the fuser roller for transferring said metered amounts of release agent from said anilox roller to the fuser roller.
2. The release agent metering station of claim 1, wherein the donor member comprises a donor roller engaged with the fuser roller and with said anilox roller, said donor roller receiving metered amounts of release agent material from said anilox roller and transferring said metered amounts of release agent to the fuser roller.
3. The release agent metering station of claim 1, wherein the release agent material is liquid.
4. The release agent metering station of claim 2, further comprising a first doctor blade engaging the surface of said anilox roller to remove excess release agent material from said surface before said surface contacts said donor roller.
5. The release agent metering station of claim 4, wherein said first doctor blade is oriented in a direction opposing travel of said anilox roller.
6. The release agent metering station of claim 4, wherein a portion of said anilox roller is immersed in the release agent material in said reservoir.
7. The release agent metering station of claim 5, further comprising a second doctor blade oriented in the direction of travel of said anilox roller.
8. The release agent metering station of claim 7, further comprising a pad at each end of the reservoir.
9. The release agent metering station of claim 8, wherein said doctor blades, said anilox roller, and said pads enclose said reservoir.
10. The release agent metering station of claim 1, further comprising a conduit for supplying release agent material to the reservoir and an overflow port in the reservoir for discharging release agent material when the level of the release agent material exceeds a predetermined maximum level.