Siemens SIRIUS SC 3RF29.0-0GA Serie Instrucciones De Servicio página 2

SIRIUS SC
Load monitoring
Instructions
!
WARNING
HAZARDOUS VOLTAGE.
Can cause electrical shock
and burns.
Disconnect power before proceeding
with any work on this equipment.
Reliable functioning of the equipment is only ensured with
certified components.
Assembly/disassembly
Carry out assembly/disassembly in the order shown in Fig. I.
Observe the position of the electrical contacts (assembly
step 1).
Circuit diagram
Fig. II
Dimension drawings
Fig. III: Dimensions in mm, (in)
Conductor cross-sections and tightening torques
Fig. IV
Commissioning
1. Connect the conductors as shown in the example in Fig. II.
2. Adjust the required response behavior (latched/not latched)
and the desired delay time (0.1 to 3 s) (Fig. VII).
Note:
"Latched" behavior implies that a fault is reset by removing
the voltage from A1/A2.
3. After applying the supply voltage to A1/A2 (24 V AC/DC or
110 V AC) and before the first teaching procedure, the thyris-
tor fault (THYRISTOR) and supply fault (SUPPLY) LEDs will
flash alternatingly every 0.5 s, since no current setpoint has
yet been stored (taught) in the device, or if an impermissible
current or voltage value (too high or too low) has been mea-
sured (see device) during the teaching procedure. The group
signal output is not activated.
4. Carry out the first storage of the current setpoint value
(1st teaching procedure) by pressing the "Test/Teach" key for
more than 3 s under normal operating conditions (voltage and
current must not exceed the specified limit values). The end
of the teaching routine is signaled by the LOAD, THYRISTOR
and SUPPLY LEDs lighting up simultaneously for approx. 1 s
(Fig. V).
The teaching procedure can be repeated as frequently as
desired.
2
Order No.: 3ZX1012-0RF00-4AW1
Operation
The device is activated by pressing the "Test/Teach" key for less
than 1 s for test purposes or via the control unit "IN" (signal
delay approx. 12 ms). The "INPUT" LED will light up. The "ON"
LED will be on when current flows.
Fluctuations in the supply voltage will be compensated for and
will not lead to a partial load fault (Fig. VI).
Fault monitoring
The LEDs display the following faults:
• LOAD:
Partial load failure occurs if at least one partial load of up to 12
partial loads has failed (Fig. VIIa).
• THYRISTOR:
Thyristor fault occurs if there is a current flow without the "IN" input
being activated or the "Test/Teach" key being pressed (Fig. VIIb).
• SUPPLY:
Supply fault occurs when the "IN" input is activated or the "Test/
Teach" key is pressed and no current flow is recognized or if the
supply voltage is too high or too low (see device), (Fig. VIIc).
The faults displayed by the LEDs are signaled as a group signal
via a changeover contact (terminals 11, 12, 14).
Overload and short-circuit protection
The operator is responsible for providing sufficient overload and
short-circuit protection for the respective applications.
3RF29.0-0GA..
u s
DIN EN 60 947-4-3
English