Vaisala Optimus OPT100, User Manual, Page: 57 / 78

Property Description
Storage temperature range -40 ... +60 °C (-40 ... +140 °F)
1) The fire point [of transformer oil] is normally approximately 10 °C [18 °F] higher than the
closed flash point. See, for example, Heathcote, Martin J. The J & P Transformer Book. 13th
ed. Elsevier, 2007.
Table 15 Power Supply
Property Description
Operating voltage 100 ... 240 VAC, 50 ... 60 Hz, ±10 %
Overvoltage category III
Maximum current consumption 10 A
Maximum power consumption 500 W
Typical power consumption at +25 °C
(+77 °F) 100 W
Connector Screw terminals (inside power supply unit)
Wire size 2.5 ... 4 mm
2
(14 ... 12 AWG)
Table 16 Outputs
Property Description
RS-485 Interface
Connector Screw terminals (inside OPT100 housing)
Wire size 0.5 ... 4 mm
2
(20 ... 12 AWG)
Supported protocols Modbus RTU
Galvanic isolation 2 kV RMS, 1 min
Ethernet Interface
Connector Industrial RJ45 connector with protective plug (outside
OPT100 housing)
Supported protocols DNP3 (Distributed Network Protocol), Modbus TCP, HTTP,
IEC 61850 (optional feature)
Standard IEEE 802.3
Physical layer Base-T
Data rate 10/100 Mbps
Galvanic isolation 4 kV AC (50 Hz, 1 min)
Insulation voltage 250 V
rms
Chapter 6 – Technical Data
55