Vaisala MMT330 - Manual (Page 153)

Chapter 8 _____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 153
Inputs and Outputs
Operating voltage 10 ... 35 VDC, 24 VAC
with optional power supply module 100 ... 240 VAC, 50/60 Hz
Power consumption @ 20 °C (U
in
24VDC)
RS-232 max 25 mA
U
out
2 x 0 ... 1V / 0 ... 5V / 0 ... 10V max 25 mA
I
out
2 x 0 ... 20 mA max 60 mA
display and backlight + 20 mA
Analog outputs (2 standard, 3rd optional)
current output 0 ... 20 mA, 4 ... 20 mA
voltage output 0 ... 1 V, 0 ... 5 V, 0 ... 10 V
Accuracy of analog outputs at 20 °C ± 0.05 % full scale
Temperature dependence of the analog outputs ± 0.005 %/°C full scale
External loads
current ouputs R
L
< 500 ohm
0 ... 1V output R
L
> 2 kohm
0 ... 5V and 0... 10V outputs R
L
> 10 kohm
Wire size 0.5 ... 2.5 mm 2 (AWG 20 ... 14)
stranded wires recommended
Digital outputs RS-232
RS-422/485 (optional)
LAN (optional)
WLAN (optional)
Protocols ASCII commands
Modbus RTU
Modbus TCP
Relay outputs (optional) 0.5 A, 250 VAC, SPDT
(optional)
Display LCD with backlight, graphic
trend display of any parameter
Display menu languages Chinese, English, Finnish,
French, German, Japanese,
Russian, Spanish, Swedish
Mechanics
Cable bushing M20x1.5 for cable diameter
8 ... 11mm/0.31 ... 0.43"
Conduit fitting 1/2" NPT
Interface cable connector (optional) M12 series 8-pin (male)
option 1 with plug (female) with 5 m /
16.4 ft black cable
option 2 with plug (female) with screw
terminals
Probe cable diameter 5.5 mm
Probe tube material AISI 316L
Housing material G-AlSi 10 Mg (DIN 1725)
Housing classification IP 65 (NEMA 4X)
Transmitter weight (with probe, cable, and modules) 1.0 ... 3.0 kg (2.2 ... 6.6 lb)