 | PSS 21S-3E5 B4 | On-Off Valve (VLV) Block (Replaced by PSS 31S-3VLV) | 0587 | 2 | 52 KB |
| PSS 31S-3VLV | On-Off Valve (VLV) Block (Supersedes: PSS 21S-3E5 B4) (Replaced by PSS 41S-3VLV) | 0914 | 2 | 198 KB |
| PSS 21S-7B5 B4 | OPC Alarm and Events (A&E) Client Software (Replaced by PSS 31S-7B5) | 0112 | 4 | 760 KB |
| PSS 21S-4P2 B3 | Open Application Platform | 0291 | 8 | 558 KB |
| PSS 21S-4P3 B3 | Open Information Server | 0192 | 8 | 2.4 MB |
| PSS 21S-1B1 B3 | Operating Software | 0689 | 8 | 173 KB |
| PSS 21S-4L1 B3 | Optimizer | 0387 | 6 | 377 KB |
| PSS 21H-2S2 B4 | Output Bypass Station (4-20 mA) | 0494 | 4 | 388 KB |
| PSS 21S-3M1 B4 | Output Selection (OUTSEL) Block | 0794 | 2 | 67 KB |
| PSS 31S-3OUTSEL | Output Selection (OUTSEL) Block (Supersedes: PSS 21S-3M1 B4) (Replaced by PSS 41S-3OUTSEL) | 0914 | 2 | 217 KB |
| PSS 21S-3Q7 B4 | Packed Input (PAKIN) Block | 0608 | 2 | 112 KB |
| PSS 31S-3PAKIN | Packed Input (PAKIN) Block (Supersedes: PSS 21S-3Q7 B4) (Replaced by PSS 41S-3PAKIN) | 0914 | 2 | 212 KB |
| PSS 31S-3PAKOUT | Packed Output (PAKOUT) Block (Supersedes: PSS 21S-3Q8 B4) (Replaced by PSS 41S-3PAKOUT) | 1214 | 2 | 238 KB |
| PSS 21S-3Q8 B4 | Packed Output (PAKOUT) Block (Replaced by:PSS 31S-3PAKOUT) | 0608 | 2 | 130 KB |
| PSS 21H-1C1 B4 | Panel Display Station | 0895 | 4 | 449 KB |
| PSS 21H-7F8 B4 | Passive Star | 0897 | 4 | 268 KB |
| PSS 21S-3M9 B4 | Pattern (PATT) Block | 1296 | 4 | 36 KB |
| PSS 31S-3PATT | Pattern (PATT) Block (Supersedes: PSS 21S-3M9 B4) (Replaced by PSS 41S-3PATT) | 0914 | 4 | 195 KB |
| PSS 21S-3E7 B4 | Pattern Alarm (PATALM) Block | 0487 | 2 | 53 KB |
| PSS 31S-3PATALM | Pattern Alarm (PATALM) Block (Supersedes: PSS 21S-3E7 B4) (Replaced by PSS 41S-3PATALM) | 0914 | 2 | 202 KB |
| PSS 21H-4P1 B3 | Personal Workstation | 1196 | 8 | 1.1 MB |
| PSS 21H-4P3 B4 | Personal Workstation for Off-Line Configuration (PW-C) | 1196 | 4 | 719 KB |
| PSS 21H-4P7 B4 | Personal Workstation for SINGLE STATION MICRO Controller Interface (PW-SSI) | 1094 | 4 | 813 KB |
| PSS 21H-4Q1 B3 | Personal Workstation Scalable Solutions | 1196 | 4 | 1.0 MB |
| PSS 21H-4P5 B4 | Personal Worstation for Fieldbus Interface (PW-FB) | 1196 | 8 | 438 KB |
| PSS 21H-4P1 B4 | Personal Worstation for Operators and Engineers (PW-OE) (formerly known as PW) | 1196 | 4 | 421 KB |
| PSS 21H-4P11 B4 | Personal Worstation for Small Nodebus Control System (PW-NB) | 1196 | 8 | 371 KB |
| PSS 31S-4PHYSPROP | Physical Properties Library (Replaced by PSS 31S-4PHYSPRP) | 1214 | 8 | 435 KB |
| PSS 21S-4C1 B3 | Physical Properties Library (Replaced by: PSS 31S-4PHYSPRP) | 0392 | 4 | 277 KB |
| PSS 21S-3F7 B4 | Positional/Rate Limiter (LIM) Block | 0487 | 2 | 52 KB |
| PSS 31S-3LIM | Positional/Rate Limiter (LIM) Block (Supersedes: PSS 21S-3F7 B4) (Replaced by PSS 41S-3LIM) | 0914 | 2 | 201 KB |
| PSS 21S-4G1 B3 | Production Model | 0387 | 4 | 217 KB |
| PSS 21S-3Q10 B4 | Programmable Logic Controller Input/Output (PLCIO) Block | 0201 | 2 | 451 KB |
| PSS 21S-3F9 B4 | Proportional Time Controller (PTC) Block | 0608 | 4 | 211 KB |
| PSS 31S-3PTC | Proportional Time Controller (PTC) Block (Supersedes: PSS 21S-3F9 B4) (Replaced by PSS 41S-3PTC) | 0914 | 4 | 309 KB |
| PSS 21S-3E9 B4 | Proportional-Integral-Derivative (PID) Controller | 0608 | 4 | 206 KB |
| PSS 31S-3PID | Proportional-Integral-Derivative (PID) Controller (Supersedes: PSS 21S-3E9 B4) (Replaced by PSS 41S-3PID) | 0914 | 4 | 357 KB |
| PSS 21H-2C1 B4 | Pulse Input, 0 to 20 mA Output Interface Module (FBM06) | 0203 | 4 | 334 KB |
| PSS 21S-3Q9 B4 | Pulse Output (PLSOUT) Block (Replaced by:PSS 31S-3PLSOUT) | 0201 | 2 | 190 KB |
| PSS 31S-3PLSOUT | Pulse Output (PLSOUT) Block (Supersedes: PSS 31S-3PLSOUT) (Replaced by PSS 41S-3PLSOUT) | 05 | 2 | 235 KB |
