Netbiter Ec250 - HMS Netbiter EasyConnect User Manual

Connections

2.3 Netbiter EC250

2.3.1 Terminal Block (12-pin)
Pin Label
24 V+
23 GND
22 DI:COM
21 DI:DI 1
20 DI:DI 2
19 RS-232:RX
18 RS-232:TX
17 COM
16 RS-422:RD(A)
15 RS-422:RD(B)
14 RS-485:TD(A)
RS-422
13 RS-485:TD(B)
RS-422
2.3.2 D-sub Connector
The 9‐pin D‐sub connector provides connectivity for Modbus RTU slave units via RS‐232,
and for connecting a GPS receiver.
Pin
1
2
3
4
5
6
7
8
9
2.3.3 Ethernet Connector
The RJ‐45 socket provides Ethernet network connection. It also supports Modbus TCP via
Ethernet, which can be used at the same time as Modbus RTU units on another interface.
Pin
1
2
3
4, 5, 7, 8
6
Netbiter EasyConnect Gateway User Manual
Function
Power 9 24 VDC
–
PE ground
Digital input common
Digital input #1
Digital input #2
RS-232 Receive
RS-232 Transmit
Serial interface common
RS-422 Receive A
RS-422 Receive B
RS-485 Line A
RS-422 Transmit A
RS-485 Line B
RS-422 Transmit B
Function
CD (Carrier Detect)
Rx (Receive)
Tx (Transmit)
DTR (Data Terminal Ready)
GND
DSR (Data Set Ready)
RTS (Request To Send)
CTS (Clear To Send)
RI (Ring Indicator)
Function
TD+
TD-
RD+
Termination
RD-
Note
Low = 0–1 VDC, High = 10–24 VDC
Low = 0–1 VDC, High = 10–24 VDC
1 8
11
Doc: HMSI-168-92 Rev: 3.10