www.sentera.eu
MIW-FCMFX-R-EN-000 - 29 / 05 / 2021
8 - 10
FCMFX-R
INTELLIGENT CO
2
SENSOR
5.
Insert the connecting cables through the grommets of the unit.
Fig. 4 Mounting dimensions - surface mounting
Fig. 5 Mounting position
38
15
58
82
82
89
76
58
58
52
58
38
58
15
Correct
Incorrect
Position at min. 1,5 m
from the floor
6.
Do the wiring according to the wiring diagram (see
) using the information
from section “
”.
7.
Put the internal enclosure into the external one and fix it using the delivered
screws and washers (
).
8.
Put back the frame cover of the enclosure and secure it with the screws.
9.
Switch on the power supply.
10.
Customise the factory settings to the desired ones via the 3SModbus software
or the Sensistant configurator. For the default factory settings, see the
Modbus
register map
of the product.
Optional settings
To assure correct communication, the NBT needs to be activated in only two devices
on the Modbus RTU network. If necessary, enable the NBT resistor via 3SModbus or
Sensistant (
Holding register 9
).
Example 1
Example 2
RX
ТX
NBT
NBT
Slave 2
Master
Slave n
Slave 1
Slave 2
Slave 1
RX
ТX
NBT
NBT
Master
Slave n
NOTE
On a Modbus RTU network, two bus terminators (NBTs) need to be activated.
NOTE
For the complete Modbus register data, see the Modbus Register Map of the
product. This is a separate document linked to the article code on the website
containing the list of registers. Products with earlier firmware versions may not
be compatible with this list.
NOTE
Mount the unit so that the terminal block and connections are at the bottom.