2. Technical Description
14
Interfaces
Models
Description
NET 1 to NET 6
HX3040
RJ45 communication connector in the 10/100Base-TX
standard. Allows point-to-point or network communication in
the open protocols, MODBUS TCP client and server,
MODBUS RTU via TCP client and server, DNP3 Client and
Server. For more information on use, see Chapter
Configuration
– Ethernet Interfaces Configuration .
COM 1
HX3040
DB9 female connector type for communication in RS-232C
and RS-485 standard. Allows point-to-point or network
communication in the open portocols, MODBUS RTU slave
or MODBUS RTU master.
COM 2
HX3040
DB9 female connector type for communication in RS-422
and RS-485 standard. Allows point-to-point or network
communication in the open protocols, MODBUS RTU slave
or MODBUS RTU master.
MEMORY SLOT
HX3040
Connector for memory card. Allows to use a memory card
for different types of data storage as user logs, web pages,
project documentation and source files. For more
information on use, see Chapter Configuration
– Memory
IRIG-B
HX3040
4-terminal block connector for communication in IRIG-B
standard.
Table 2-1. Connection Interfaces
General Features
Common General Features
HX3040
Programming languages
Instruction list (IL)
Structured text (ST)
Ladder diagram (LD)
Sequential function chart (SFC)
Function block diagram (FBD)
Continuous function chart (CFC)
Types of tasks
Cyclic (periodic)
Event (software interruption)
External event (hardware interruption)
Continuous (free run)
Status (software interruption)
Online changes
Yes
Hot swap support
Yes
Bus expansion redundancy support
Yes
Serial Interfaces
1 x RS-232C / RS-485 (COM 1)
1 x RS-485 / RS-422 (COM 2)
MODBUS Protocol
RTU Master and slave (COM 1 and COM 2)
TCP Client and server (NET 1 to NET 6)
RTU via TCP Client and server (NET1 to NET6)
DNP3 Protocol
TCP Client and server (NET 1 to NET 6)
EC 60870-5-104 Protocol
Server TCP (NET 1 to NET 6)
MMS Protocol
TCP Server (NET 1 to NET 6)
Protocol SNTP
Client, version V1, V2c and V3
Real time clock (RTC)
Yes
Resolution of 1 ms and maximum variance of 2 s per day
Watchdog
Yes
Status and diagnostic indication
Display, LED, web page and CPU’s internal memory.
One Touch Diag (OTD)
Yes