Product Description:
Application 1.1 Use The fail--safe sensor conditioning module FUM 310 can be employed as -- FUM--F in a fail--safe AS 620 F with APF or as -- FUM--B in a non--fail--safe AS 620 B with AP. The following rules must be observed when the module is used in the AS 620 F: -- Two, three or four modules, together with the MFX 52 function block (in the APF) permit fail-safe operation; three or four modules permit fault--tolerant operation in conjunction with safety-relevant applications that require approval (such as burner control in a power plant). -- Where signals without safety function are concerned, a single module may also be used in stand--alone operation and without MFX 52. The following rules must be observed when the module is used in the AS 620 B: -- The module may be employed in stand--alone operation and in two--channel mode. A two—channel application (increased availability), requires the RED_310 function block to be available in the automation processor (AP) for administering the two modules. -- In AS 620 B, the module may not be used for safety--relevant applications that require approval. 1.2 Functions The FUM 310 module is used as a short--circuit--proof power supply of binary sensors, conditions the signals from the binary sensors, and permits to perform the following functions with and without safety function: _ Power supply for up to 8 changeover contacts or up to 16 single contacts _ Conditioning the sensor signals _ Monitoring sensor connections and sensor signals _ Simulating the logic transducer states _ Indicating sensor states and malfunctions via LEDs on the front panel 2 Front Panel Elements In addition to the control and indicator elements, module fuse, and ”Module fault” LED that exist on all modules of the individual control level (FUM modules), the FUM 310 module features another 16 LEDs on the front panel that are ON when the associated input has H level applied or blink ON and OFF at 2 Hz if the associated input channel is faulty.
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