| Stock | Manufacturer | Part_Number | Description | Buy New | Buy Surplus | Get Repair | Go |
| ALLEN BRADLEY | 1746-OW16 | OUTPUT MODULE RELAY 16POINT SLC500 | $297.50 | $135.00 | $121.50 |  | | ALLEN BRADLEY | 1747-L531 | CPU MODULE SLC 5/03 8K USER MEMORY SLC500 | $831.00 | $499.00 | $415.50 |  |
| SIEMENS | 500-2151A | POWER SUPPLY MODULE 110/220VAC | $1,670.00 | $722.00 | $408.50 |  | | SIEMENS | 500-5011 | OUTPUT MODULE 120VAC 2AMP 8POINT | $988.50 | $49.00 | |  |
| SIEMENS | 500-5055 | I/O MODULE 32POINT | $1,513.00 | $317.50 | $286.00 |  | | SIEMENS | 500-5056 | OUTPUT MODULE 32POINT 110VAC | $2,085.00 | $875.00 | $475.00 |  |
| SIEMENS | 505-4216A | INPUT MODULE 110VAC 16POINT | $509.00 | $99.50 | $89.50 |  | | SIEMENS | 505-4232A | INPUT MODULE 32POINT 79-132VAC | $407.00 | $315.00 | $189.00 |  |
| SIEMENS | 505-4332 | INPUT MODULE 14-30VDC 32POINT 8/COMMON | $407.00 | $199.00 | $179.50 |  | | SIEMENS | 505-4816 | OUTPUT MODULE 110-220VAC 16POINT | $457.50 | $118.00 | $106.50 |  |
| SIEMENS | 505-6108 | INPUT MODULE ANALOG 8POINT 12BIT DOUBLE WIDE | $1,174.00 | $492.50 | $356.50 |  | | | SIEMENS | 505-6208 | OUTPUT MODULE ANALOG 8POINT | $1,037.00 | | $391.50 |  |
| SIEMENS | 505-6508 | RACK 8SLOT I/O | $492.50 | $63.50 | $57.50 |  | | SIEMENS | 505-6516 | BASE 16SLOT I/O | $697.50 | $59.50 | $53.50 |  |
| SIEMENS | 505-6660 | POWER SUPPLY MODULE 110/240VAC | $453.50 | $234.00 | $211.00 |  | | SIEMENS | 505-6851 | REMOTE BASE CONTROLLER W/RS-485 DUAL MEDIA | $1,434.00 | $620.00 | $558.00 |  |
| SIEMENS | 505-6851A | REMOTE BASE CONTROLLER W/RS-485 DUAL MEDIA | $1,240.00 | $620.00 | $558.00 |  | | SIEMENS | 505-6851B | REMOTE BASE CONTROLLER W/RS-485 DUAL MEDIA | $1,202.00 | $620.00 | $558.00 |  |
| SIEMENS | 505-6860 | CONVERTER MODULE RS485 TO RF | $1,452.00 | $515.00 | $463.50 |  | | SIEMENS | 545-1101 | CPU MODULE 28K WORD MEMORY PID 2COMM PORTS | $2,429.00 | $1,050.00 | $841.00 |  |