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Siemens SIRIUS 3RK3 - Displays on the EM 4;8 F-DI; Displays on the EM 2;4 F-DI 1;2 F-RO

Siemens SIRIUS 3RK3
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Diagnostics / service
8.2 Diagnostics via LEDs
Modular Safety System 3RK3
System Manual, 10/2008, 926 2530-02 DS 02
239
8.2.2 Displays on the EM 4/8F-DI
LED Display Description
off Input signal not present
green Input signal present
green flashing
(1.75 s on / 0.25 s off)
Error detected (cross-circuit at input)
Input signal present
green flashing
(0.75 s on / 1.25 s off)
Error detected (cross-circuit at input)
Input signal not present
IN1 / F
red Device defective
off Input signal not present
green Input signal present
green flashing
(1.75 s on / 0.25 s off)
Error detected (cross-circuit at input)
Input signal present
IN2, IN3,
IN4, IN5,
IN6, IN7,
IN8
green flashing
(0.75 s on / 1.25 s off)
Error detected (cross-circuit at input)
Input signal not present
8.2.3 Displays on the EM 2/4F-DI 1/2F-RO
LED Display Description
off Input signal not present
green Input signal present
green flashing
(1.75 s on / 0.25 s off)
Error detected (cross-circuit at input)
Input signal present
green flashing
(0.75 s on / 1.25 s off)
Error detected (cross-circuit at input)
Input signal not present
IN1 / F
red Device defective
off Input signal not present
green Input signal present
green flashing
(1.75 s on / 0.25 s off)
Error detected (cross-circuit at input)
Input signal present
IN2, IN3,
IN4,
green flashing
(0.75 s on / 1.25 s off)
Error detected (cross-circuit at input)
Input signal not present
off Output signal not present Q1, Q2
green Output signal present

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