Jumo 705030 mTRON T - Digital Input/Output Module Opera Manual do Utilizador descarregar pdf (Página 31)

5 Operation

5.2.2 System states and errors

The following table lists all the system states and errors that are indicated by the "S" LED (Sta-

tus). In most cases, further diagnostics must be performed with the setup program.

Category "S" LED

(Status)

Meaning Diagnos-

tics with

Recommended action

Bus status No connection to central processing

unit

LED Check whether the central pro-

cessing unit is running; check

cabling and topology

Bus status System in "Stop" (INIT) state – no

error, only in start phase

LED

Bus status System in "Stop" (PREOP) state – no

error, only in start phase

LED

Operation

(Priority 3)

System in "Stop" (SAFEOP) state –

no error

LED

Operation

(Priority 3)

System in "Run" (OP) state – no

error

LED

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 49 50

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Jumo 705030 mTRON T - Digital Input/Output Module Opera Manual do Utilizador Página 31