3 – SYSTEM2 BOARD SPDM CONTROL BOX
NIDEC ASI S.P.A. – SPDM CONTROL BOX USER MANUAL
40 IMSPDCB2EN
3.2.5 J19, connector Profibus DP
The following table describes the correspondence between the pins and the signals of the female DB9 interface PROFIBUS connector.
Pin Signal
1 N.C.
2 N.C.
3 Data B (RxD/TxD-Positive)
4 CNTR (Repeater control)
5 GND
6 +5V(Termination-Power)
7 N.C.
8 Data A (RxD/TxD-Negative)
9 N.C.
Table 3-19: connector J19 signal assignment.
3.2.6 J23, extractable terminal blocks
The connector J23 is composed by many removable terminals for the signals of the analog and digital I/O to/from the processors.
In the picture below you can see the location and numbering of terminals on SYSTEM2 card.
Figure 3-5: Front view of the removable terminal blocks
The table below shows the assignment of the removable terminal block signals.