Digital inputs 
(3)
Quantity 2
Type NPN Potential free contact
Insulation optoisolated
(3) 
Must be connected to SELV circuit.
Communications
Modbus RTU BACnet
Bus RS-485 MS/TP
Protocol Modbus RTU BACnet
Baud rate 9600 - 1920
Stop bits 1 - 2 1
Parity without - even - odd without
User interface
Display LCD Custom COG
Keyboard Capacitive, 3 keys
LED 3 LED
Environmental features
Operating temperature -5ºC... +45ºC
Storage temperature  -10ºC ... +50ºC
Relative humidity (non-condensing) 5 ... 95%
Maximum altitude 2000 m
Protection degree 
(4)
IP31
Front panel: IP51 (IP64 with accessory)
(4) 
This pollution degree hasn’t been tested by UL.
Mechanical features
Dimensions ( Figure 34) 96.7x96.7x62.5 mm 
Weight 330 gr
Surround Self-extinguishing V0 plastic
Attachment Panel
Standards
Safety of electronic measuring units UNE EN 61010: 2010
Electromagnetic compatibility (CEM). Part 6-3: Generic standards. 
Emission standard for residential, commercial and light industry 
environments.
UNE EN 61000-6-3:2007
Electromagnetic compatibility (CEM). Part 6-1: Generic standards. 
Immunity in residential, commercial and light industry environments
UNE EN 61000-6-1:2007
Coordination of the insulation of units installed in low voltage sys-
tems (networks). 
IEC 664:2007
VDE 0110
Test for ammability of plastic materials for parts in devices and 
appliances
UL 94
Electromagnetic compatibility (EMC). Generic standards. Immunity 
for industrial environments
BS EN 61000-6-2
Electromagnetic compatibility (EMC). Generic standards. Emission 
standard for industrial environments
BS EN 61000-6-4
Safety requirements for electrical equipment for measurement, con-
trol, and laboratory use - Part 1: General requirements
UL/CSA 61010-1 3rd edition
89