Rockwell Automation 2706-F11J_F11JC_F21J_F21JC DL50 INSTALLATION MANUAL - Manual (Page 13)

Chapter 2
Introduction to the DL50
2–4
➀ OVERTEMP Indicator
The LED on the upper right hand corner of the display indicates if the DL50
is in the Reduced Brightness Mode. This LED is normally off. If the
temperature inside the DL50 reaches its internal operating limit, the DL50
will enter the Reduced Brightness Mode, and this LED will begin flashing. If
the LED is on steady, the DL50 is in an automatic shutdown mode.
The ambient temperature must be reduced to continue operation.
➁ STATUS Indicators
The two LEDs at the lower right hand corner of the display indicate the
status of the display. When operating, the LEDs are on continuously. If a
hardware fault is detected, the LEDs will flash.
➂ Relay Output Connections
These connections provide both normally open and normally closed contacts.
The relay contacts are energized when a message is received which has a line
number of 48. The relay contacts are de-energized when a message is
received with a line number of 49. The relay contact terminals are labeled:
Terminal Number* Label Definition
1 NO Normally Open
2 NC Normally Closed
3 COM Common
* Terminal #1 is top terminal.
Do not use the relay outputs for control purposes. These
contacts are for annunciation purposes only.
ATTENTION:
!
➃ Power Connections
Connect the DL50 power source to these terminals:
Terminal Number* Label Definition
1 L1 Line 1 (Hot)
2 L2N Line 2 (Neutral)
3 E. GND Earth Ground
* Terminal #1 is top terminal.
➄ Reset Button
This momentary contact switch re-initializes the DL50. After DIP switch
configurations have been changed, the DL50 must be reset before the new
configuration takes effect
.
Descriptions