PRESYS
Instruments
DMY-2030-TOT
Light
Maintenance
Page 30
4.4 - Option Module Connection
DMY-2030-TOT
Light
Indicator and Totalizer accepts up to four output
devices and communication, which must have the corresponding optional modules
installed in the instrument. Open the Indicator as shown in section 4.1 in order to
access four connectors in the Power Supply Board and one connector in the CPU
board. (Refer to Figure 23).
Fig. 23 - Optional module connectors
The connectors in the Power Supply Board are called MOD 1, MOD 2, MOD 3
and MOD 4, and are associated, in this order, to output 1, output 2, output 3 and
output 4 signals, in the Indicator output terminals as shown in Figure 3. The
connector for the communication module is placed in the CPU Board and has no
label. Any optional module must be always installed with the component side in the
direction of the Display Board, as shown in figure 24.
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