Allen-Bradley 2711P User Manual

Rockwell Automation Publication 2711P-TD001D-EN-P - February 2011
24 Wiring and Grounding Guidelines for PanelView Plus Terminals
Power the Nonisolated DC PanelView Plus Terminals
For systems with nonisolated DC PanelView Plus terminals, you must use a
separate converter or power supply to power each terminal.
To power multiple PanelView Plus DC terminals from one DC power supply, use
an isolated DC-to-DC converter with each terminal. The current from each
converter returns to the converter through the DC- wiring. This prevents DC-
current from returning to the PanelView Plus terminal through earth/ground
and damaging the terminal.
Figure 11 - Isolated DC-to-DC Converters to Power Multiple DC Terminals
If a system contains multiple PanelView Plus DC terminals, use a separate
AC-to-DC power supply with each device. The current from each supply returns
to the power supply via the DC- wiring.
Figure 12 - Separate AC Power Supplies to Power Multiple DC Terminals
In+ In-In+ In-
DC+ DC-DC+ DC-
+24V DC
Power
Common
Circuitry
Circuitry
Isolated
DC-to-DC Converter
Isolated
DC-to-DC Converter
PanelView Plus
Terminal
PanelView Plus
Terminal
L2L1 L1L2
DC+ DC- DC+ DC-
Circuitry
Circuitry
PanelView Plus
Terminal
AC/DC Power Supply
2711P-RSACDIN
AC/DC Power Supply
2711P-RSACDIN
PanelView Plus
Terminal

Allen-Bradley 2711P Specifications

General

Series	PanelView Plus
Touchscreen	Yes
Operating System	Windows CE
Power Supply	24V DC
Display Type	TFT LCD
Touch Screen Type	Resistive
Application Memory	256 MB
Memory Type	SDRAM
Communication Ports	RS-232, USB
Ethernet	10/100Base-T
Operating Temperature	0 to 50 °C
Storage Temperature	70 °C
Humidity	5 to 95% non-condensing
Enclosure Rating	NEMA 4X