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14
14.2 Installation and Connection
14.2.4.1 Connecting the Power Supply to the Power Supply Unit
The power supply and the protective conductor are connected to the connection module (plug-
in module III) of the power supply unit. A shielded conductor must be used.
Wire gauges to be used:
2
1.5 mm
(AWG 15) stranded (with wire end ferrule), or
2
2.5 mm
(AWG 13) single-wire
The maximum current consumption in the nominal range and with maximum system
configuration is 2 A. The value of the internal miniature fuse in the power supply unit is
3.15 A inert. To maintain the selectivity in the fuse chain, a 6 A circuit-breaker must be installed
in the network lead.
14.2.4.2 Connecting Signals to the CPU
Connection modules (plug-in module III) are used for the connection at the rear of the CPU.
Maximum wire gauges to be used:
2
1.5 mm
(AWG 15) stranded
2
2.5 mm
(AWG 13) single-wire
Cable, e. g., signal cable LIYEB-CY 4 x 2 x 0.75 mm
Crimp contacts: see 1 in Table 14-1.
14.2.4.3 Connecting Data Acquisition Modules VCDAU, VDAU, CDAU
The measurement circuits are connected using connection modules (plug-in module I for
currents, plug-in module III for voltages and binary channels) at the rear of the DAU.
Maximum wire gauges to be used for analog current channels:
2
2.5 mm
(AWG 13) stranded
2
4 mm
(AWG 11) single-wire
Cable, e. g., LIYEB-CY 4 x 2 x 2.5 mm
Crimp contacts: see 2 in Table 14-1.
Maximum wire gauges to be used for analog voltage channels:
2
1.5 mm
(AWG 15) stranded
2
2.5 mm
(AWG 13) single-wire
Cable, e. g., LIYEB-CY 4 x 2 x 0.75 mm
Crimp contacts: see 1 in Table 14-1.
Maximum wire gauges to be used for binary channels:
2
1.5 mm
(AWG 15) stranded
2
2.5 mm
(AWG 13) single-wire
Cable, e. g., LIYEB-CY 16 x 2 x 0.25 mm
Crimp contacts: see 1 in Table 14-1.
194
2
2
2
2
Digital Fault Recorder, SIMEAS R-PMU, Manual
E50417-H1076-C360-A5, Release 10.2012
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