Page 71 of 126
Proton Products SL mini and SLR mini Series Speed and Length Gauges Instruction Manual - issue 1s
E
THERNET COMMUNICATIONS
This Ethernet interface is fitted as standard. It operates independently of the other communications
interfaces and may be accessed at the same time as them.
If an optional industrial bus interface (Ethernet/IP, PROFIBUS or DeviceNET) has been installed in
the gauge, then the Ethernet interface is substituted by the industrial bus interface.
Ethernet interface
The Ethernet interface may be accessed through the following pins:
Connector type: DB25 female (socket)
Functional
group
Pin
Designation
Description
Notes
Shield
S
Shield
Shield
Connect to cable and plug shields
Ethernet
22
IBUS1
TX+
10
IBUS2
TX-
23
IBUS3
RX+
11
IBUS4
RX-
Ethernet LED indicator
EIP
LED status
Indication
Continuous green
Online and connected
Ethernet communications
Flashing green
Online but not connected
Continuous red
Critical link failure
Flashing red
Connection timeout
1
1
4
2
1
5
3
1
6
4
1
7
5
1
8
6
1
9
7
2
0
8
2
1
9
2
2
1
0
2
3
1
1
2
4
1
2
2
5
1
3
