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Appendix B
Tape Recorder Setup
1770-SA Data Recorder
Using an Industrial Terminal
B–8
Refer to Figure B.4 when using a 1770-SA Data Recorder with an
Allen-Bradley Industrial Terminal or other dumb terminal.
Figure B.4
Data Recorder (Catalog No. 1770-SA) with Industrial Terminal
ALLEN-BRADLEY
INDUSTRIAL
TERMINAL
1770-T1 THRU T4
PORT B
DL20 DISPLAY
RS
RS
232
232
OUT
OUT
ATTENTION: Do not plug in the data recorder end of the cable
(Catalog No. 2706-NC4) until the Industrial Terminal Cable is
!
unplugged. If both cables are plugged in at the same time, the
DL20 may be damaged.
1. Connect the 2706-NC4 cable to the DL20, as shown. Do not connect the
other end of the 2706-NC4 Cable to the 1770-SA until the Industrial
Terminal is disconnected later in this procedure. Damage to the DL20
could result. Set toggle switch on cable to the OFF (middle) position.
2. Set baud rate of DL20 to 1200 Baud.
Note: In order for the new baud rate to be in effect, the power must be
cycled at the DL20, or the DL20 must be reset. Also, the Industrial Terminal
baud rate must match the DL20 selection.
Note: ECHO ALL TO SLAVES under the special functions must be OFF
for Tape Operations to work properly.
3. Using the industrial terminal, select Tape Operations special function.
4. Select USE AB 1770-SB from Tape Operations menu.
5. Select the desired function: WRITE TO TAPE, READ FROM TAPE or
VERIFY TAPE.
6. Follow the instructions given by the DL20.
2706-NC1
2706-NC4
6
6
7
7
8
8
RS
RS
GND
GND
232
232
IN
IN
1770-SA RECORDER
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