Description
DSSR 122 Pow. Supply Unit for DC-input 48990001-NK
You can install the voltage regulator unit DSSR 122 on the rear of the I/0 subrack for the supplyof 5 V, It converts 24 V d.c. to 5 V d.c. Fix the unit to the I/0 subrack with screws.
The input to the regulator is protected with a tube fuse, Fl. The output, which is galvanicallyconnected to the input, is current limited. The unit is provided with overvoltage protection.
The voltage regulator unit draws constant power down to approximately 14 V input voltage.Figure 4-5 shows a DSSR 122 mounted on an //O subrack.
1)Fuse 10 A (miniature,5 x20 mm, fast) for +24 V-PBC – bus.
2) The cable from DSSR 122 is marked with “124″ and should be connected to the terminal block X1 11/1
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