Bosch SBH301 Mode D'emploi page 41

3 609 929 816/2009-02 | SBH.../SB...
5 Commissioning
5.3.5 Mains power consumption
(nominal values)
The power consumption of the system boxes
is dependent on the number and size of the
tightening channels being operated on it.
Since, however, a box must always be con-
sidered to be fully equipped, the power con-
sumption should therefore be designed for a
fully equipped system box (see chap. 1
"Technical Data").
5.3.5.1 SB305 or SB301
(according to configuration)
If the system boxes are not fully equipped and
it is certain that they will not be equipped at a
later date with additional tightening channels,
the mains power consumption can be de-
signed in accordance with the following ta-
ble.
Number of LT30x in SB305 or SB301*
1* 2
LT303
with 500 700
EC302 VA VA
LT303
with 600 950
EC303 VA VA
LT304
with 700 1200
EC304 VA VA
LT305
with 1200 1800
EC305 VA VA
Table 7:
5.3.5.2 SBH301
The necessary power consumption is in this
case 390 VA.
3 4 5
900 1050 1200
VA VA VA
1250 1500 1750
VA VA VA
1700 2100 2500
VA VA VA
2500 – –
VA
Bosch Rexroth AG 41/148
5.4 Connection of external users
(24V)
Terminal X20 serves as the connection for ex-
ternal users (e.g. switches). They can be con-
nected to X20.4-5 (24 V) and X20.2-3 (GND)
on free terminals.
.1 .3 .1 .3 .1 .3
X20.1 X20.2 X20.3
.2 .4 .2 .4 .2 .4
Figure 13: Connection terminal X20
Pin Signal Description/
Function
X20.1 PE
Protective
conductor
X20.2 0 V
Reference
potential external
X20.3 0 V Reference
potential external
X20.4 24 V
Supply voltage
external
X20.5 24 V
Supply voltage
external
X20.6 PS Supply for emer-
gency stop (motor
contactor)
X20.7 PS Supply for emer-
gency stop (motor
contactor)
Table 8:
The voltage circuits of these termi-
nals are to be isolated from the
power circuit (isolation as per
EN50178). When using these ter-
minals, the requirements for reliable
isolation from power circuits must
be observed. This circuit is defined
as PELV circuit (EN50178,
EN60204-1) due to the bridge at
X20.1.4 to X20.2.2.
.1 .3 .1 .3 .1 .3
X20.4 X20.5 X20.6 X20.7
.2 .4 .2 .4 .2 .2
Voltage/
Current/
Standard
24 V / 6 A
24 V / 6 A
24 V / 0,1 A
24 V / 0,1 A