D521 Braun

Single Channel Speed Monitor series D521 for increased safety requirements up to SIL1

• Monitor with sensor monitoring and self-test function with plausibility check
• 5 digit red LED display
• Frequency range 0 Hz...50 kHz
• Universal Signal Input, also for Magnetic Pick-Up sensors (MPUs)
• 1 Analog Output 0/4…20 mA or 0/2…10 V (for versions D521.10, D521.12, D521.14)
• 2 Alarm Outputs as SPDT relays (for versions D521.02, D521.04, D521.12, D521.14)
• 2 Alarm Outputs as PhotoMOS relays (for versions D521.04, D521.14)
• Square wave Pulse Output
• USB 2.0 Data Interface
• Maintenance-free during lifetime, therefore minimized TCO
• Two monitors, suitably configured with their Alarm Outputs linked together, may provide a protection system with 1oo2 or 2oo2 redundancy
• Increased safety with 1oo2 architecture
• Maximum availability with 2oo2 architecture
• Universal Power Supply range 20...265 Vuc