Siemens COMBIMASTER 411 Getting Started Manual page 12

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Control Jumpers
In the following table the behaviour of the Control Jumpers are explained:
Status before action(s)
• Jumper not fitted
• Jumper fitted
• Jumper fitted
• Jumper not fitted
3.2.3
To change parameters it is necessary to use a Basic Operator Panel (BOP),
Advanced Operator Panel (AOP) or an external serial interface. The CM411 is
therefore delivered with the following default settings:
Ø
Setpoint control from the analog input in addition to Control Potentiometer.
Ø
Supply frequency set for 0 to 50 Hz.
Ø
Digital inputs:
DIN1 ON/OFF1
DIN2 Reverse
DIN3 Fault Acknowledge.
Ø
Jumpers for Ramp and Control circuits set to open. Refer to previous
section for details of jumper settings.
Ø
Relay – Fault conditions.
3.2.4
For default operation, connect the control terminals as shown in Figure 6. The
default settings of the terminals are described in the table below Figure 6.
Ø
FREQUENCY SETPOINT: - Setpoint addition: Control Potentiometer and
Analog Input (P1000 = 27).
In order to provide the unit with a Frequency Setpoint the user can either:
1. Turn the Control Potentiometer.
2. Fit an external potentiometer, or apply an external analog control voltage
across terminals 6 and 7.
Note
When using the analog input only, the control potentiometer should be turned
fully anti-clockwise to ensure that the control potentiometer is de-activated.
3.2.5 Operation using "Pot = Run" Jumper
With the "Pot = Run" jumper fitted, the control potentiometer provides the
ON/OFF command source.
In order to provide the unit with a Run command the Control Potentiometer must
be turned in a clockwise direction. To switch the unit OFF, turn the Control
Potentiometer fully anti-clockwise (OFF position).
Warning
!
If the unit is powered up when the Control Potentiometer is not
in the OFF position, the unit may automatically restart and
ramp-up to the frequency setpoint (Auto-restart function is
active by default.
12
Getting Started Guide – March 2002
A5E00157510A
Тел.: 8 (0214) 444395, 443688, 442155, (029) 6171554
Action(s)
• Power down
• Fit jumper
• Power up
• Cycle power
• Power down
• Remove jumper
• Power up
• Cycle power
Default Setup
Default Operation
Reaction(s) of the
inverter
• Parameters influenced by
jumper will have jumper
default values
• Parameters influenced by
jumper are not changed
• Parameters influenced by
jumper will have "jumper
removed" default
(normally factory default)
• Parameters influenced by
jumper are not changed