10 Technical data RMS 621
62 Endress+Hauser
– Conducted HF: 0.15 to 80 MHz, 10 V as per EN 61000-4-3
– Electrostatic discharge: 6 kV contact, indirect as per EN 61000-4-2
– Burst (power supply): 2 kV as per IEC 61000-4-4
– Burst (signal): 1 kV/2 kV as per IEC 61000-4-4
– Surge (AC power supply): 1 kV/2 kV as per IEC 61000-4-5
– Surge (DC power supply): 1 kV/2 kV as per IEC 61000-4-5
– Surge (Signal): 500 V/1 kV as per IEC 61000-4-5
10.0.7 Mechanical constructions
Model/dimensions
Fig. 25: Housing for DIN top hat rail to EN 50 022-35 mounting; dimensions in mm (inches)
Weight • Basic device: 500 g (in maximum configuration with expansion cards)
• Remote control unit: 300 g
Materials Housing: Plastic PC, UL 94V0
Terminals Coded, plug-on screw terminals, size 1.5 mm
2
single core, 1.0 mm
2
stranded with
ferrules (valid for all connections).
10.0.8 Human interface
Display elements • Display (optional):
132 x 64 Dot-matrix LCD with blue background lighting
Colour changes to red in the event of an error (adjustable)
• LED status display:
Operation: 1 x green (2 mm; 0.079 in)
Fault message: 1 x red (2 mm; 0.079 in)
• External display and operating unit (optional or as accessory):
A display and operating unit can also be connected to the energy manager in the panel mounted
housing, dimensions: W = 144 mm (5.7 in) x H = 72 (2.84 in) x D = 43 mm (1.7 in). The
connection to the integrated RS-485 interface is made using the connecting cable (l = 3 m), which
is included in the accessories set. Parallel operation of the external display unit with a device-
internal display in the RMS 621 is possible.
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