Helmholz NETLink 700-881-MPI21 - Technical Data NETLink PRO Compact; Pin assignments; MPI;PROFIBUS interface pin assignments; Assignment of the Ethernet interface (host interface)

NETLink
®
Ethernet Products
57
11.1.3 Technical Data NETLink
®
PRO Compact
Dimensions in mm (LxWxH)
64 x40 x 17
Weight
Approx. 110 g
Current consumption
200 mA
Displays
2 LEDs, including 1 three-color LED, for general
status information
11.2 Pin assignments
11.2.1 MPI/PROFIBUS interface pin assignments
Connector
Signal
Meaning
1
-
Unused
2
GND
Ground power supply (looped through)
3
RxD / TxD-P
Receive / transmit data-P
4
-
Unused
5
DGND
Ground for bus termination (looped
through)
6
DVCC
5 V DC for bus termination (looped
through)
7
VCC
24 V DC for power supply (looped through)
8
RxD / TxD-N
Receive / transmit data-N
9
-
Unused
11.2.2 Assignment of the Ethernet interface (host interface)
Connection
Signal
PoE Power Supply*
Meaning
1
TX+
P – DC+
Transmit data / phantom power*
2
TX-
P – DC+
Transmit data / phantom power*
3
RX+
P – DC-
Receive data / phantom power*
4
S – DC+
Spare Pair Supply*
5
S – DC+
Spare pair supply*
6
RX-
P – DC-
Receive data / phantom power*
7
S – DC-
Spare Pair Supply*
8
S – DC-
Spare pair supply*
* only with NETLink
®
PRO PoE
All NETLink
®
Gateways comes with a shielded cross-over category
5 TCP cable with a length of three meters.
The maximum cable length between two TCP interfaces is 100
meters according to IEEE802.
If distances greater than 100 meters have to be covered, the use of
switches or hubs is recommended.
11.2.3 Power supply socket
If an external power supply is used, please make sure the polarity
is correct and all technical data are complied with.