Product Description
BMA0804
J
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2.60-80.804-01-EN | 2019-01-17
Fieldbus
When connecting the fieldbus, use a cable of at least type JY(St)Y 2x2x0.8 Lg: two x two wires,
twisted to a pair with plastic insulation and an electrostatic shield with a wire diameter of at least
0.8 mm. Use a stranded pair of wires for the data lines (+ and -) and another free wire for the ground
connection (0).
At the end of the fieldbus (furthest point from the DDC controller), install a terminating resistor of
about 180 ohms between both data lines (+ and -). The terminating resistor is included with the DDC
controller.
The maximum cable length for the Fieldbus is 2000 m.
Mounting
WARNING
Contact with live parts of electrical domestic installation can cause death due to electric shock.
Mounting/removal may only be carried out when power is switched off.
Removal
TH 35-7.5
1 2 3 4
1 2 3 4
5 6 7
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