9202B Type - EX Pulse Isolator
The 9202B is an Ex pulse isolator for transmission of signals to the safe area from NAMUR sensors and mechanical switches installed in the hazardous area.
Ex pulse isolator as a interface for NAMUR sensors and switches
Extended self-diagnostics and detection of cable fault
Different versions available:
- 1-channel, opto-output, stock-no.
796-7051
- 2-channel, opto-output, stock-no.
796-7054
- 1-channel, relay N/O-output, stock-no.
796-7058
- 2-channel, relay N/O-output, stock-no.
796-7067
- 1-channel, relay N/C-output, stock-no.
827-5366
- 2-channel, relay N/C-output, stock-no.
827-5375
Configuration and monitoring by way of detachable display front (PR 4501)
Selection of direct or inverted function for each channel via PR 4501
Please order the Display Front PR4501 separately (stock-no.
796-6890
)
Advanced monitoring of internal communication and stored data
SIL 2 functionality is optional and must be activated in a menu point
Can be mounted in the safe area or in zone 2 / Cl. 1 div. 2 and receive signals from zone 0, 1, 2 and zone 20, 21, 22 including mining / Class I/II/III, Div. 1, Gr. A-G
Designed, developed and certified for use in SIL 2 applications according to the requirements of IEC 61508
Monitoring of error events and cable breakage via the individual status relay and/or a collective electronic signal via the power rail
Front LED indicates operation status and malfunction
2.6 kVac galvanic isolation between input, output and supply
Can be supplied separately or installed on power rail, PR type 9400
DIN rail mounting
PR Electronics - Ex Interfaces
