Siemens SINUMERIK 802S Technical Manual page 21

Drives with analog interface
SINUMERIK 802S base line
Start-Up
Signals:
A voltage and an enable signal are output.
AOn (SETPOINT)
z
Analog voltage signal in the range ± 10 V to output a speed setpoint
AGNDn (REFERENCE SIGNAL)
z
Reference potential (analog ground) for the setpoint signal, internally
connected to logic ground.
SEn (SERVO ENABLE)
z
Relay contact pair controlling the enable of the power section, e.g. of a step
drive unit controlled via a PLC program.
Signal parameters
The setpoint is output as an analog differential signal.
Table 2–3 Electrical parameters of the signal outputs for step-switching drives
Parameter
Voltage range
Output current
Relay contact
Table 2–4 Electrical parameters of the relay contacts
Parameter
Switching voltage
Switching current
Switching power
Cable length: max. 35 m
Installing the Control System
Min Max
–10.5 10.5
–3 3
Max.
50
1
30
Unit
V
mA
Unit
V
A
VA
2-9