Siemens SIMATIC NET PROFIBUS manual Additional PG Interface

Passive Components for RS-485 Networks

Additional PG Interface

The RS-485 bus terminal with additional PG interface (see Figure 4-28) has an additional 9-pin sub-D female connector on the front panel for connecting, for example a programming device using a PG connecting cable. The pinout is identical to that shown in Table 4-10.

Figure 4-28 RS-485 Bus Terminal with Additional PG Interface

Note

The SIMATIC NET PROFIBUS RS-485 bus terminals are only suitable for transmission rates ≤ 1.5 Mbps. For higher transmission rates, use the 12M bus terminal.

PROFIBUS Networks SIMATIC NET	4-51
6GK1970-5CA20-0AA1 Release 2 05/2000