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Honeywell DELTA21 Operator's Manual page 2

Cassette tape loader
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GENERAL------------------------------------
The Cassette Tape Loader (15735140-001) is used to dump, load, and wrify the data file of a DELTA 21 System. The
data file can be entered into the system on-site vi;i the Video Display Terminal (see DELTA 21 Programmer's Manual,
Form No. 85-0097).
It
may be easier, however, to load the data lile with the Cassette Tape Loader (tape loader) after
having programmed it at the branch.
For its three operations, the tape loader is connected to the I/O board of the Energy Control Unit (ECU). An operator
at the Video Display Terminal (VDT) penetrates a series of menus
to
arrive at the Cassette Operations menu. From this
menu, a Level 3 operator can select dump, load, or verify operations.
Tape loader software controls all tape loader functions except Initialize.
CONNECTIONS-----------------------------
TO CONNECT
NOTE: Prior to connecting the tape loader, the DELTA 21 System must have undergone start-up as described in
DELTA 21 Master Product Data, Form No. 85-0117.
1. Unlock and open ECU cabinet.
2. Connect tape loader's RS232C connector to J2 on I/O board (Fig. l).
3. Connect provided ac transformer to the AC INPUT port on the tape loader and to a 120V ac outlet.
4. Push POWER switch to on, that is, towards the back of the tape loader. The READY light will turn on.
TO DISCONNECT
1. Remove cassette tape.
.
2. Push POWER switch to off; towards front of the tape loader.
3. Disconnect the RS232C connector from the 1/0 board in the ECU.
4. Remove ac power connector from AC INPUT port.
5. Disconnect transformer from the 120V ac outlet
INITIALIZE BUTTON
CASSETTE TRANSPORT
~J1
~J2
~J3
CPU BOARD
1/0 BOARD
ECU SUBPANELASSEM BLY
20212
Fig. I. Cassette Tape Loader Connection to ECU.
RHlOR7

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