Siemens SINUMERIK 840D sl Manual page 95

Figure 5-8
Commissioning steps:
Note
If the current carrying capacity of the digital output could be exceeded, an auxiliary contactor
may possibly be used (refer to the Equipment Manual for Booksize Power Units)!
1. Connect control contact of the line contactor to DI/DO 14.
2. Parameterize DI/DO 14 as output (p0728.14 = 1).
3. Interconnect (BI: p0744 = r0863.1) DI/DO 14 with "control contactor" signal (r0863.1).
4. Connect the feedback contact of the line contactor to DI 7.
5. Interconnect (BI: p0860 = r0723.7) p0860 with the inverted input signal (p0723.7).
6. Enter the monitoring time of the line contactor (p0861 = 100 ms).
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
p728.8 = 1
r0863.1
p0860 = 0723.7
p0861 =
100 ms
T 0
=1
&
&
Line Contactor Control
DI/DO 14
X132.10
<1>
p0744 = 0863.1
DI 7
X132.4
1
r0723.7
Connection of the Components
5.2 Line Contactor Control
L1
L2
L3
24 V
5-11