Vaisala MHT410 Guía Rápida página 26

Property
EMC standard EN61326-1, Industrial
environment;
CISPR22 class B emission limits when DC
powered
1) Changing the oil type MHT410 measures requires reconfiguration at Vaisala.
Table 4 Inputs And Outputs
Property
Operating voltage
Power consumption
Recommended external power supply
Analog Output (Current)
Channels
External load
1)
Digital Outputs
Interfaces
Protocols
1) Max. isolation voltage 1.5 kV DC.
20
1)
Description/Value
Fulfills the requirements of IEC 61000-6-5 in the
following tests: IEC 61000-4-2, IEC 61000-4-3,
IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6,
IEC 61000-4-8, IEC 61000-4-11, IEC 61000-4-12,
IEC 61000-4-16, IEC 61000-4-17.
Description/Value
15 ... 30 VDC, 24 VAC (±15 %) (power supply
input is galvanically isolated)
Typical 4 W, maximum 12 W
24 VDC / 0.5 A minimum
Three isolated 4 ... 20 mA (loop powering
required)
Max. 500 Ω
Isolated RS-485 half-duplex
RS-485 (Service Port)
Modbus RTU, DNP3, serial ASCII commands
M211736EN-D
1)