 | PSS 21H-1B1 B3 | Control Processor 10 | 1196 | 8 | 310 KB |
| PSS 21H-1B1 B4 | Control Processor 10 275 Block Software | 1096 | 4 | 248 KB |
| PSS 21H-1B2 B3 | Control Processor 30 | 0298 | 12 | 372 KB |
| PSS 21H-1B2 B4 | Control Processor 30 1000 Block Software | 0298 | 4 | 288 KB |
| PSS 21H-1B3 B3 | Control Processor 40 | 0298 | 12 | 473 KB |
| PSS 21H-1B3 B4 | Control Processor 40 2000 Block Software | 0298 | 4 | 356 KB |
| PSS 21H-1B4 B3 | Control Processor 30, Style B | 0299 | 12 | 294 KB |
| PSS 21H-1B4 B4 | Control Processor 30, Style B 1000 Block Software | 0299 | 4 | 231 KB |
| PSS 21H-1B5 B3 | Control Processor 40, Style B Hardware | 0299 | 12 | 296 KB |
| PSS 21H-1B5 B4 | Control Processor 40, Style B 2000 Block Software | 0299 | 4 | 231 KB |
| PSS 21H-1B7 B3 | Control Processor 60 | 0206 | 8 | 1.2 MB |
| PSS 21H-1B7 B4 | Control Processor 60 and Control Processor 60 Simplex Integrated Control Software | 0402 | 4 | 1.1 MB |
| PSS 21H-1B8 B3 | Control Processor 60 Simplex | 0206 | 8 | 1.2 MB |
| PSS 21H-1B9 B3 | Field Control Processor 270 (FCP270) (Replaced by PSS 21H-1B9) | 0414 | 16 | 2.7 MB |
| PSS 21H-1B10 B3 | Z-Module Control Processor 270 (ZCP270) (Replaced by PSS 21H-1B10) | 0414 | 12 | 1.0 MB |
| PSS 21H-1C1 B4 | Panel Display Station | 0895 | 4 | 449 KB |
| PSS 21H-1C3 B4 | Auto/Manual Station | 0389 | 4 | 359 KB |
| PSS 21H-1E1 B3 | Tank Processor 10 | 1192 | 4 | 391 KB |
| PSS 21H-1F1 B3 | Allen-Bradley Station | 0899 | 4 | 545 KB |
| PSS 21H-6A1 B3 | Field Automation Subsystem Micro-I/A Station Overview | 0801 | 8 | 919 KB |
| PSS 21H-6B1 B4 | Field Automation Subsystem Micro-I/A 24 V dc Power Supply (Type 1) | 0200 | 4 | 327 KB |
| PSS 21H-6B2 B4 | Field Automation Subsystem Micro-I/A Battery Backup Unit (Type 1) | 0200 | 4 | 278 KB |
| PSS 21H-6B4 B4 | Field Automation Subsystem Micro-I/A Type 1 Station | 0700 | 4 | 412 KB |
| PSS 21H-6B6 B4 | Field Automation Subsystem Micro-I/A Station Single and Dual Cable Ethernet Interface Card | 0801 | 2 | 157 KB |
| PSS 21H-6B7 B4 | Field Automation Subsystem Micro-I/A I/A Series Fieldbus Interface | 0700 | 2 | 409 KB |
| PSS 21H-6B8 B4 | Field Automation Subsystem Micro-I/A Station Allen-Bradley Remote I/O Interface | 0801 | 4 | 420 KB |
| PSS 21H-6B9 B4 | Field Automation Subsystem Micro-I/A GE Fanuc Direct Connect I/O Interface | 0700 | 4 | 428 KB |
| PSS 21H-6C1 B4 | Field Automation Subsystem Micro-I/A Station Integrated Control Software | 0801 | 4 | 1.1 MB |
| PSS 21H-6C2 B4 | Field Automation Subsystem Micro-I/A 6.5 V dc Power Supply (Type 1) | 0200 | 4 | 305 KB |
| PSS 21H-6C3 B4 | Field Automation Subsystem Micro-I/A Station 486DX4-75 4 and 8 MB Processor | 0801 | 4 | 393 KB |
| PSS 21H-6C4 B4 | Field Automation Subsystem Micro-I/A Station PROFIBUS-DP Remote I/O Interface | 0801 | 4 | 184 KB |
| PSS 21H-6C5 B4 | Field Automation Subsystem Micro-I/A Station Modbus Interface | 0801 | 4 | 81 KB |
| PSS 21H-6C6 B4 | Field Automation Subsystem Micro-I/A Station Allen-Bradley PLC5/E Ethernet Interface | 0801 | 4 | 179 KB |
| PSS 31H-1ATS | Address Translation Station Communications (Replaced by PSS 41H-1ATS) | 1214 | 8 | 818 KB |
| PSS 31H-1B11 B3 | Field Control Processor 280 (FCP280) (Replaced by PSS 31H-1FCP280) | 0414 | 20 | 1.2 MB |
| PSS 31H-1FCP280 | Field Control Processor 280 (FCP280) (Replaced by PSS 41H-1FCP280) | 0518 | 24 | 1.6 MB |
| PSS 31H-2FDC280 | Field Device Controller 280 (FDC280) (Replaced by PSS 41H-2FDC280) | 1118 | 24 | 1.5 MB |
