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Note
The active level of each signal can be defined in MD37 (see Section 5.3.1, ).
Check the technical documentation for your drive device regarding assign-
ment of signal levels to direction of rotation.
The following signal descriptions refer to:
Servo Drives
Output signals:
One voltage signal and one enable signal are provided for each channel.
Signal parameters of the outputs
The setpoint is output as an analog differential signal.
Table 4-3
Rated voltage range
Output current
The axis enables are switched via relay outputs ("make" contacts).
Table 4-4
Switching voltage
Switching current
Switching capacity
Connecting cable
Permissible length: up to 35 m (115 ft)
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
SIMODRIVE 611-A servo drive
FM STEPDRIVE step drive
SETPOINT (SW)
An analog voltage signal in the range
point.
REFERENCE SIGNAL (BS)
A reference potential (analog ground) for the setpoint signal, internally
connected with the logic ground.
SERVO ENABLE (RF)
A relay contact pair used to switch the axis-specific enable of the power
section. The signal is activated via the user program of the CPU.
Electrical Parameters of the Setpoint Signal
Parameters
Electrical Parameters of the Relay Contacts
Parameters
Wiring the FM 453
10 V, for output of an rpm set-
Min
Max
–10
10
–3
3
Max
50
1
30
Unit
V
mA
Unit
V
Q
VA
4-7
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