Cable Specification; Device Plug - Endress+Hauser Levelflex FMP56 Operating Instructions Manual

Levelflex FMP56, FMP57 FOUNDATION Fieldbus
Endress+Hauser
Connection examples for the switch output
 17 Connection of a relay
 18 Connection to a digital input
1 Pull-up resistor
2 Digital input
For optimum interference immunity we recommend to connect an external resistor
(internal resistance of the relay or pull-up resistor) of < 1 000 Ω.
7.1.2

Cable specification

• Devices without integrated overvoltage protection
Pluggable spring-force terminals for wire cross-sections 0.5 to 2.5 mm
• Devices with integrated overvoltage protection
Screw terminals for wire cross-sections 0.2 to 2.5 mm
• For ambient temperature T
FOUNDATION Fieldbus
Endress+Hauser recommends using twisted, shielded two-wire cables.
For further information on the cable specifications, see Operating Instructions
BA00013S "FOUNDATION Fieldbus Overview", FOUNDATION Fieldbus Guideline and
IEC 61158-2 (MBP).
7.1.3

Device plug

In the case of the device versions with a plug, the housing does not need to be opened
to connect the signal cable.
 19 Pin assignment of 7/8" plug
1 Signal -
2 Signal +
3 Not assigned
4 Shielding
3+
R
i
4-
+
1
3+
R
i
4-
≥60 °C (140 °F): use cable for temperature T
U
1 3
2 4
Electrical connection
+
-
2
2 (20 to 14 AWG)
2 (24 to 14 AWG)
+20 K.
U
A0015909
A0015910
A0011176
43