Configured for industrial automation and process control in TI 505 subrack architectures, the Siemens 545-1101 (545-1101 CPU Module) provides direct physical/electrical execution.
| Parameter | Specification |
|---|---|
| Model | 545-1101 |
| Brand | Siemens |
| Origin | Japan |
| Weight | 0.45 kg (0.99 lbs net / 1.1 lbs shipping bounds) |
| Dimensions | Standard TI 505 series single-slot module size |
| Operating Temp | 0 deg C to +60 deg C (Standard chassis operating constraints) |
| Power Consumption | Drawn from backplane bus power supply module |
| Memory Capacity | 192 KB user memory (28 K Words) |
| Integrated Interfaces | 1 x RS-232, 1 x RS-422, 1 x Local I/O base channel |
| Control Capabilities | PID loop control, analog alarms, SFPGMs, SFSUBs |
| I/O Bus Scaling | Supports TI 505 discrete/analog hardware and PROFIBUS-DP drops |
The CPU executes control instructions written in Relay Ladder Logic and special function blocks directly over the parallel subrack backplane bus. It manages external configurations by addressing remote clusters, maintaining optimal internal backplane bus communication velocity indexes during peak cyclical processing. This localized architecture processes discrete and analog transactions across complex matrices, stabilizing data exchange rates while scaling local and remote I/O density points over the unified base line.
Q: Can the 545-1101 CPU module be pulled from the backplane rack while the power supply is actively energized?
A: No. The TI 505 hardware architecture does not support hot-swap functionality. Removing the processor card under load can cause permanent logic gate corruption, register execution faults, or severe electrical arcs across the backplane connector pins.
Q: How is the volatile user application memory sustained during a total system power de-energization?
A: Memory backup is maintained via an internal lithium battery assembly housed on the motherboard layout. A failure of this cell during a power outage results in a complete loss of loaded configurations and system variables.
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