Vaisala MMT330 - Manual (Page 155)

Chapter 8 _____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 155
Relay Module
Operating temperature range -40 ... +60 ºC (-40...+140 ºF)
Operating pressure range 500 ... 1300 mmHg
Power consumption @24 V max 30 mA
Contacts SPDT (change over), for example,
Contact arrangement Form C
Imax 0.5 A 250 VAC
Imax 0.5 A 30 VDC
Safety standard for the relay component IEC60950 UL1950
Storage temperature range -55 ... +80 ºC (-67...+176 ºF)
3-pole screw terminal / relay
max wire size 2.5 mm 2 (AWG14)
RS-485 Module
Operating temperature range -40 ... +60 ºC (-40 ... +140 ºF)
Operating modes 2-wire (1-pair) half duplex
4-wire (2-pair) full duplex
Operating speed max 115.2 kbaud
Bus isolation 300VDC
Power consumption
@ 24V max 50 mA
External loads
standard loads 32 RL> 10kohm
Storage temperature range -55 ... +80 ºC (-67 ... +176 ºF)
Max wire size 1.5 mm
2 (AWG16)
LAN Interface Module
Operating temperature range -40 ... +60 ºC (-40 ... +140 ºF)
Storage temperature range -40 ... +85 ºC (-40 ... +185 ºF)
Operating humidity range 5 … 95 %RH
Power consumption @ 24V max 60 mA
Ethernet type 10BASE-T 100BASE-TX
Connector 8P8C (RJ45)
IPv4 address assignment DHCP (automatic), static
Protocols Telnet, Modbus TCP
Max number of Telnet/Modbus clients 1
WLAN Interface Module
Operating temperature range -20 ... +60 ºC (-4 ... +140 ºF)
Storage temperature range -40 ... +85 ºC (-40 ... +185 ºF)
Operating humidity range 5 … 95 %RH
Power consumption @ 24V max 80 mA
Supported standards 802.11b
Connector RP-SMA
IPv4 address assignment DHCP (automatic), static
Protocols Telnet, Modbus TCP
Max number of Telnet/Modbus clients 1
Security WEP 64/128, WPA2/802.11i