Overview
Specification
| Processor | |
| CPU | 2x LPC2468,72 MHz,32 bit |
| Controller | |
| Programming | Ma controller (I/O bus)or serialinterface(COM) |
| Number of independent safety programs per SLC | |
| Program cycle | Minimum 5ms |
| I/O expansion | Ma SDI208,5DO204 or SCT202 modules |
| Digital inputs | |
| Number | 16 digital inputs-can be used redundantlyin pairs(PLe/SIL3/Cat 4) |
| Input voltage range(H) | 15V DCto 34VDC |
| Input voltage range(L) | -34V DCto+5VDC |
| Input delay(typically)HW | 300μs |
| Input delay(typically)sW | 1 ms in the case of disabled test pulsing |
| Input type acc.to IEC61131-2 Minimuminput current | Type1 3.5mA at 24V DC |
| Status indication (LED) | Green |
| Error monitoring | Internal function monitoring External test pulsing optional |
| Digital outputs | |
| Number | 8 digital outputs-can be used redundanty in pairs(PLe/SIL3/Cat 4) |
| Output voltage range | 18VDCto34VDC |
| Output current per channel | 0.5Anominal |
| Total current per group(max) | 2A |
| 0to 1 delay | Max.35μs at full lbad |
| to O delay | Max.155μs at full load |
| Output groups | 2 electronic fuse |
| Status indication (LED) | Green |
| Switching frequency (max,resistive load) | 500 Hz |
| Error monitoring | Short-circuit,overload,undervoltage,overvoltage of the power supply |
| Internal power supply | |
| Galvanic isolation from the system | 500V |
| Galvanic isolation between groups | 500V |
| Internal power supply | Backplanes BS2xX |
| Internal current consumption | 5V/550 mA via backplane |
FAQ
It meets SIL3 (IEC 61508), PL e (EN ISO 13849), and Cat 4 requirements, ensuring top-tier functional safety.
Q2: Can the SLC284 operate independently of a CPU module?
Yes. It functions as a standalone safety controller or integrates directly with Bachmann’s M200 system.
Q3: What I/O modules are compatible with the SLC284?
It supports SDI208 (safety inputs) and SDO204 (safety outputs), connected via FASTBUS or bus expansion.
Q4: How is safety programming performed?
All safety functions are configured and tested using the Bachmann SolutionCenter software.
Q5: What environments is the SLC284 suitable for?
It operates reliably in standard and cold-climate conditions, certified for marine and industrial environments.
Manual/Datasheet PDF
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