RMG TME400-VC, Руководство по эксплуатации

Страница: 85 / 112

5 Technical data
MANUAL TME400-VCF · EN04 · 2019 March 26th
79
5.1.3.
Outputs
The values for the HF, LF and alarm output can be taken from the certificate.
5.1.4. Digital interface
RS-485 data interface
U
min
6.0 V
U
max
(U
i
) 10.5 V
I
max
428 mA
P
i
900 mW
internal inductivity 1320 LF
internal capacity 600 µH
Caution
A voltage of U
max
(U
i
) higher than 10.5 V will destroy the data interface.
Note
The device can be supplied with power via the data interface when the RS-
485 interface is used.
Note
In an Ex version, the connection must only be made to a certified, intrinsic
safe current circuit.
The Ex-relevant connection values are specified in the approval.
5.1.5. Current loop connection
Current loop connection
U
ext
(min) 12 V
U
ext
(max) 28 V
I
min
3.5 mA
I
max
23 mA