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Digital Input

I.S. Relay Module Series 9172
I.S. Relay Module Series 9172
  • For binary signal and control circuits
  • Intrinsically safe inputs or outputs [Ex ia] IIC
  • Galvanic isolation between inputs and outputs
  • For use up to SIL 2 (IEC 61508)
ATEX / IECEx / GOST NEC 505 NEC 506 NEC 500
Class I Class I Class II Class III
Zone 0 1 2 20 21 22 Zone 0 1 2 20 21 22 Division 1 2 1 2 1 2
Ex i interface x x x x x x Ex i interface x x x Ex i interface x x x x x x
Installation in x*) x*) Installation in x*) x*) Installation in x*) x*) x*)
Switching Repeater Field Circuit Ex i Series 9170
Switching Repeater Field Circuit Ex i Series 9170
  • Intrinsically safe input [Ex ia] IIC
  • Galvanic isolation between input, output and power supply
  • Open-circuit / short-circuit monitoring and messaging (can be switched off)
  • Inversion of output signal can be set
  • Transmission frequency up to 10 kHz
  • For use up to SIL 2 (relay - output) or SIL 3 (electronic - output) (IEC 61508)
ATEX / IECEx NEC 505 NEC 506 NEC 500
Class I Class I Class II Class III
Zone 0 1 2 20 21 22 Zone 0 1 2 20 21 22 Division 1 2 1 2 1 2
Ex i
interface
x x x x x x Ex i
interface
x x x Ex i
interface
x x x x x x
Installation in x*) x*) Installation in x*) x*) Installation in x*) x*) x*)