Operation; Electrical Connections; Module Status Led; Environmental Conditions - Mettler Toledo WMF Serie Manual De Usuario

4 Operation

4.1 Electrical Connections

WMF weigh modules have an EtherNet/IP or PROFINET IO RT interface for the communication with the
control systems.
Interface descriptions
EtherNet/IP
PROFINET IO RT
Power supply of the weigh module
The weigh module can be energized with the Power over Ethernet (PoE).
Power over Ethernet (PoE)
•
Mode A (end span)
•
Class 1 PD (below 3.84 Watt)
•
According to IEEE Std. 802.3af
•

4.2 Module Status LED

The status of the weigh module is displayed with the bicolor LED on the very top (see pos. 12 in
[Overview } Page 6].
Status
Green
Red, blinking
Red, solid

4.3 Environmental Conditions

WMF weigh modules can be operated within the following environmental conditions:
Temperature Range
Relative air humidity
Height above mean sea level
Warm-up time

4.4 Ingress Protection

IP rating of the WMF weigh modules:
IP44 in weighing configuration
•
IP65 if the wash-down function is activated
•
8 Operation​ ​
Adapter
Device, RT_CLASS_1, Conformance Class CC-B
Meaning
Normal operation
Warning, see Installation Manual for further instructions
Error, see Installation Manual for further instructions
Operating / Compensated +10 ... +30 °C
Allowable ambient
NOTICE
Multi-line arrangement
Multi-line arrangement can only be implemented with the cooling function activated. For
more details refer to the Installation Manual.
+5 ... +40 °C
Max. 80 % at 31 °C, decreasing linearly to 50 % at
40 °C, non-condensing
Max. 4'000 m (13'330 ft)
At least 45 minutes after power up
WMF