Operating And Display Elements - Rittal 7859.050 Installationsanleitung Und Kurz-Bedienungsanleitung

5 Installation and operation
5.1

Operating and display elements

The operating and display elements are shown in fig. 3. The display direction and the assignment
of the four keys at the side next to the display depends on the installation direction of the PSM me-
tering bar. The legend for fig. 3 shows the key assignment for the installation case when the elec-
trical connection of the PSM metering bar is at the bottom. If the PSM metering bar is installed so
that the electrical connection is at the top, the assignment of keys 2 and 5 as well as 3 and 6 is
reversed. The actual assignment of the keys is displayed appropriately on the display.
Legend for fig. 3
1 Multi-LED for the status display
2 "Esc" key
3 "Return" key
4 Main display
5 "Down" key
6 "Up" key
7 CAN bus connection
8 CAN bus connection
5.2 Installation
The electrical connection may be made only on a TN-S network in accordance with the pre-
scribed specifications (see section 3.4 "Operating conditions").
Depending on the PSM metering bar variant, a back-up fuse of 3 x 16 A for each infeed (for mod-
el number 7859.050) or 1 x 32 A (for model number 7859.053) should be provided.
Connect the housing earthing point (fig. 4, item 1) of the PSM metering bar in the infeed conduct-
ing with the enclosure frame.
5.2.1 PSM metering bar 16 A (7859.050) installation procedure
Warning!
Rittal recommends the use of the pre-assembled connection cables available as
accessory.
Ensure the correct positioning of the cable for the connection.
An incorrect connection can cause an electrical shock and damage the connect-
ed consumers.
The connection plug with the supplied accessories must only be installed by an
experienced electrician!
The connections of the PSM metering bar 16 A (7859.050) are shown in fig. 4.
Legend for fig. 4
1 Housing earthing point
2 "Infeed 1" connection
3 "Infeed 2" connection
Rittal recommends that the PSM metering bar is connected to the power supply for both infeeds
using a 7856.025 connection cable from the Rittal accessories.
Connect a connection cable to the "Infeed 1" connection (fig. 4, item 2) or to the "Infeed 2" con-
nection (fig. 4, item 3) of the PSM metering bar and to the power supply.
Rittal PSM metering bar for CMC III
Installation and operation
EN
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