Connections; Netbiter Ec150 - HMS Netbiter EasyConnect Series User Manual

Connections

2. Connections

Netbiter EasyConnect gateways can be connected to Modbus devices via different interfaces
and physical connections. Which interface(s) to use must be selected in Netbiter Argos.

2.1 Netbiter EC150

2.1.1 Terminal Block (12-pin)
Pin Label
24 Vin+
23 GND
22 DI:DI 2
21 DI:DI 1
20 DI:COM
17 RS-232:RX
16 RS-232:TX
15 COM
14 RS-485:A
13 RS-485:B
2.1.2 D-sub Connector
The 9‐pin D‐sub connector provides connectivity for Modbus RTU slave units via RS‐232.
Pin
1
2
3
4
5
6
7
8
9
2.1.3 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/VAC
–
PE ground
Digital input #2
Digital input #1
Digital input common
RS-232 Receive
RS-232 Transmit
Serial interface common
RS-485 Line A
RS-485 Line 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
Shared between RS-232 and RS485
1 8
7
Doc: HMSI-168-92 Rev: 3.00