PRELIMINARY WARNINGS
The word WARNING preceded by the symbol indicates conditions or actions that put the user's safety at
risk. The word ATTENTION preceded by the symbol indicates conditions or actions that might damage the
instrument or the connected equipment.
The warranty shall become null and void in the event of improper use or tampering with the module or devices
supplied by the manufacturer as necessary for its correct operation, and if the instructions contained in this manu-
al are not followed.
WARNING: The full content of this manual must be read before any operation. The module must only be used by
qualified electricians.
Electrical and electronic waste disposal (applicable in the European Union and other countries with recycling). The
symbol on the product or its packaging shows the product must be surrendered to a collection centre authorized to
recycle electrical and electronic waste.
The module must be repaired and damaged parts replaced by the Manufacturer. The product is sensitive to electro-
static discharges. Take appropriate measures during any operation.
TECHNICAL SPECIFICATIONS
STANDARDS
EN61000-6-4
Electromagnetic emissions, industrial environment.
EN61000-6-2
Electromagnetic immunity, industrial environment.
EN61010-1 Safety
Note UL: use in environments with pollution degree 2 or lower. The power supply unit must
be class 2.
INSULATION
ENVIRONMENTAL
CONDITIONS
T
emperature
: -20 – + 65°C (-10 - +55 °C UL)
Humidity
: 10%– 90% non condensing.
Altitude:
up to 2000 m above sea level
Storage temperature:
-40 + 85°
Protection degree:
IP20.
ASSEMBLY
IEC EN60715, 35mm DIN rail in vertical position.
CONNECTIONS
5-way removable screw terminals, pitch 5 mm (S107USB)
Spring-loaded terminals, conductor cross-section 0.2 ... 2.5 mm
2
, stripping 8 mm
(K107USB)
POWER SUPPLY
Through PC USB port.
SERIAL
COMMUNICATION
RS485 through MODBUS -RTU protocol, 32 nodes maximum.
Possibility of multiple connection of several S107USB or K107USB units on the same PC.
BAUDRATE
1200 bps,115200 bps.
3/8
WARNING
the maximum working voltage between any
terminal and ground must be less than 50
Vac / 75Vdc
Power
Supply
Input
Output
1500 V
~
RS485
USB
In/Out
