Rockwell Automation 2706 DL40 HARDWARE USER MANUAL - Manual (Page 134)

Chapter 11
Installation and Wiring
11 – 13
The DL40 can be reset from a remote location. In order to reset the DL40
from a remote location you would attach a normally open (N.O.) reset button
to the remote reset (REM RES).
Figure 11.13
The Remote Reset
REM
RES ISO
GND
An IBM–AT, –XT or compatible keyboard can be attached to the 8–Pin DIN
connector on the back of the DL40. The keyboard can be used to trigger
messages, as well as access of the following functions: PRINTER,
HISTORICAL EVENTS STACK, BACKUPS, CLOCK SET and DEBUG.
In addition, the keyboard is used to send ASCII data back to the PLC.
Note: The keyboard DIP switch setting must be set to the same setting as the
keyboard type being used.
Figure 11.14
Keyboard Port
Keyboard
PIN SIGNAL
1 Keyboard Clock
2 Keyboard Data
4 Ground
5 +5 Volts
5
2
4
1
Note: Before connecting the power cable of the DL40, make sure DL40’s
power switch is in the OFF position. This switch is on top panel of the DL40.
The DL40 requires 85–265V AC, 47–63 Hz.
!
ATTENTION: Incorrect power wire connection can cause
damage to the DL40.
The Remote Reset
Keyboard Port
The AC Power Connector