5 Installation and Commissioning
5.8 Power Connections
120 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
5.8.6 24 VDC for External Use
General The robot has a 24VDC supply available for customer connections called 24V I/O.
The supply is a general purpose supply which can be used to supply digital inputs
and outputs or other external units connected to the robot control cabinet.
Specifications
24V I/O is not galvanically separated from the rest of the controller voltages
Connection Connections are available on circuit board PDB, connector X18 as shown below.
For location of the PDB board, see ’Controller Connections Overview’ on page 42.
Figure 63 24V I/O terminal board, +2-XT2
External 24 VDC Supply The internal supply can not be used in the following cases:
• When more power is needed than can be supplied by the internal supply.
• When the emergency stop circuits are to be independent of whether or not the
robot is powered.
• When there is a risk that major interferences can be carried over into the internal
24V supply.
An external supply is recommended to make use of the advantages offered by the
galvanic insulation on the I/O units.
The neutral wire in the external supply must be connected in such a way to prevent
the maximum permitted potential difference in the chassis earth from being
Voltage: 24.0 - 26.4V
Ripple: Max. 0.2V
Permitted customer load: Max. 5A - Max. 3A/channel
Current limit: Max. 10A ±20%
Short-circuit current: Max. 13A
X4
X9 X8
X10
X6
X7
X11
X14
X15
X1
X12 / X13
X5
X2
X3
LEDS
AC
TEMP
PC
SYS
I/O
FAN
BRAKE
ULTRA CAP
HV
LEDS PDB-01
X18
X23
X20
X16
X17
X25
X24
X21
POWER DISTR IBUTION BOARD
PDB-01
ABB AS, Robotics
+24V_IO
3A Fuses
1
2
3
4
5
6
7
8
9
10
11
12
X18
Power Distribution
Borad, PDB
Customer
connection
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