520CMD01 CS en
520CMD01 CS en
520CMD01 CS en
E1
CP1 CP2, CP3
10/100 MB LAN
RS232C RS485
Each network segment can have a maximum cabling
distance of 100 metres with Cat-5-cable.
Ethernet
Controller
UART UART ADVICE
Communication Interfaces
On all interfaces different protocol types can be used.
Possible limitations can be found in the document:
RTU500 series Interfaces and Protocols Release 13
Serial Interface RS232C Mode server diagnostics and the download of configuration data
and firmware.
Pin Signal Input/Output
1 DCD Input
2 RxD Input USB Interface
3 TxD Output Pin Signal Description
4 DTR Output RJ45
1 VBUS Supply 5 V
DC
5 GND -
1
2 D- Data -
7 RTS Output
3 D+ Data +
8 CTS Input 8
4 GND Ground
Shield Connected
with housing Jack Shield Connected
with housing
The RS232C standard defines a maximum cable length of
15 m. For more detailed information how to install and configure
the USB RNDIS driver see the document Users Guide to
RTU500 series Web Server (1KGT 150 924)
Serial Interfaces 3 and 4
The serial interfaces and are available on the RJ45 ADVICE
connectors. It can interface RS485 signals. Different If the system earth is connected to a positive supply
UART based protocol types can be configured at the voltage the USB interface must be galvanic isolated
interfaces. from earth to prevent damage of connected devices.
In RS485 mode both sides of the serial bus must be
terminated by a 1 kΩ resistor. The termination on the CMU
side is already done onboard.
Power Supply and I/O bus connections
The signals are used according to:
The power supply (e.g. 520PSD01) is direct connected to
the right side of the module via connector X1.
Serial Interface RS485 Mode
Pin Signal RTU520 I/O modules are directly connected to the left side
1 - Not used via connector X2. An additional I/O adapter module (e.g.
520ADD01) can be connected by a 20 pole ribbon cable to
2 TA Data -
the WRB I/O bus via connector X3 (see Fig. 3).
3 TB Data +
RJ45
4 - Not used ADVICE
5 GND Signal 1
To prevent damage on the connected modules de-
Ground
energize the system before plugging or unplugging the
6 - 8
I/O bus connectors.
7 - Not used Jack
8 -
ADVICE
Shield Connected
with housing To prevent unintended disconnection of the
I/O bus connectors end stops (e. g. BAM3
The RS485 cable length should be less than 150 m. 1SNK900001R0000) shall be used at both ends of the
I/O assembly.
ADVICE
Device USB 2.0 interface for service purposes. For more details see
RTU500 series Function
The interface is an USB device port compliant with the Description
USB V2.0 full-speed device specification (12 Mbit/s). RUN (green) Communication module in
On top of USB the Remote Network Driver Interface operation
Specification (RNDIS) protocol is used to provide a
WRB (green) Transmission on to the I/O
virtual Ethernet link to a Windows operating system. After bus
installing and configuring the needed RNDIS driver on the
Windows system the connection could be used for web
Signaling by LEDs Parameter name Default Parameter location
X1 X2 X3 X4 X5
Input Output Output CP1 E1
from
PSU
To
I/O
To
AD
RS232
Port
Ethernet
Port
X6 X7 X9 X11
CP2 CP3 USB SD-Card
RS485 RS485 Device Interface
Port Port Port
Figure 2: 520CMD01
front plate
6 5
1
3
4
2 Figure 6: RTU520 DIN rail mounting - step 3
Figure 5: RTU520 DIN rail mounting - step 2
Figure 4: RTU520 DIN rail mounting - step 1
1 Insert upper edge into DIN rail 3 + 4: 5 + 6:
and push downwards
2 Push lower edge towards DIN Shift one module connector into the Mount end stops at the left and right
rail and snap in the module other starting from right to left side
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