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Communications Connections
Ethernet
The Ethernet port is fitted to all SIREC D recorders as standard and uses a standard RJ45
Ethernet connection. After connection, select the Ethernet port from the Comms menu and
select the required protocol from the Protocol menu eg.Modbus.
24V DC Instrument Power Input
24V DC instrument power is available on all SIREC D record-
ers as an option. It is connected using 3-way connector, mat-
ing half is supplied. Diagram shows a view looking from the
rear of the unit.
SIREC D200 Comms card
An option card is available with RS485 Modbus port and USB device connections. The card
can be purchased and fitted at any time. The RS485 connection uses a 3-way connector.
The card also has connection for 24V DC Transmitter Power Supply, see
Power Supply Card" on page 24.
To fit this option card into the SIREC D200 recorder you will require an expansion card to
interface to the recorder.
28
Electrical Installation
8 7 6 5 4 3 2 1
RJ45 Pin 1 is to the right
from the rear of the unit
See "SIREC D200 Expansion Card" on page 29.
Figure 2.12 SIREC D200 Comms card
24V DC TX
Power Supply
RS485
Modbus port
43-TV-25-35 GLO Iss.4 Dec 06 UK
2
4
6
8
1
3
5
7
A
B
1
2
3
+
- GND
"Transmitter
USB Host
A5E01001767-04
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