Operating instructions

Electrical installation
4.8 Signal connections
Drive converter cabinet units
68 Operating Instructions, 10/2008, A5E00288214A
X540: Joint auxiliary voltage for the digital inputs
Table 4- 13 Terminal block X540
Terminal Designation Technical specifications
8 P24
7 P24
6 P24
5 P24
4 P24
3 P24
2 P24
1 P24
24 V DC
Max. total load current of +24 V auxiliary voltage of terminal blocks X540 and
X541 combined: 150 mA
continued short-circuit proof
Max. connectable cross-section: 1.5 mm²
Note
This voltage supply is only for powering the digital inputs.
X541: 4 non-floating digital inputs/outputs
Table 4- 14 Terminal strip X541
Terminal Designation
1)
Technical specifications
6 M Electronics ground
5 DI/DO 11
4 DI/DO 10
3 DI/DO 9
2 DI/DO 8
As input:
Voltage: -3 V to 30 V
Typical current consumption: 10 mA at 24 V DC
As output:
The summation current of the four outputs (including the currents of the
inputs) is limited to 100 mA (continued short-circuit proof) in the delivery
condition.
1 P24 Auxiliary voltage: +24 V DC
Max. total load current of +24 V auxiliary voltage of terminal blocks X540 and
X541 combined: 150 mA
1)
DI/DO: Digital input/output: M: Electronics ground
Max. connectable cross-section: 1.5 mm
2
Note
An open input is interpreted as "low".
When externally generated 24 V DC signals are connected to a digital input, the ground
reference of the external signal must also be connected.