IDENTIFICATION Manufacturer: Allen-Bradley Product Family: SLC 500 Processor: SLC 5/05 Part Number: 1747-L553 Series: A Processor Revision: 1 Serial Number: W1N (21)1PNM6JV Product Type: PLC processor Condition: USED YOM: 1999 Country of Manufacture: USA   PROCESSOR / MEMORY Processor Class: SLC 5/05 Memory Capacity: 64K Memory Retention: Battery-backed Battery: Present Operating System: 1747-OS501 OS Series: C Firmware Revision Number: FRN 8   COMMUNICATIONS Ethernet Communications: Yes Serial Communications: Yes Network Application: Programming / control communications SLC 500 Backplane Interface: Yes   POWER / BACKPLANE Backplane Current at 5 VDC: 1 A Backplane Current at 24 VDC: 0 A Power Source: SLC 500 chassis backplane   SYSTEM / INSTALLATION Controller Platform: SLC 500 Module Type: Processor Installation: SLC 500 chassis Module Format: Chassis-mounted Processor Mode Selection: Key-switch controlled   REGULATORY / ENVIRONMENT UL: Listed CSA: Certified CE: Yes Hazardous Location: Class I, Groups A, B, C & D, Division 2