Technology functions
3.2 Pulse generators
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
58 Manual, 12/2017, A5E40898741-AA
Hardware
inputs /
outputs
Pulse output
(DQA)
The parameter "Pulse output
(DQA)" defines the hardware out-
put to use as pulse output chan-
nel.
For B:
X11, terminal 21 (DQ0 / %Q4.0):
10 kHz / 0.5 A or 100 kHz / 0.1 A
Hardware
output for the
least signifi-
cant address
For B:
X11, terminal 31 (DQ8 / %Q5.0):
Output signals for pulse width modulation (PWM) mode
Continuous pulse current at the digital
output PWM DQA
A pulse is output at the digital output PWM
DQA for the set on-load factor and cycle
Continuous pulse current
Operating mode: Frequency output
In this operating mode you can assign a frequency value with high frequencies more
precisely than by using period duration in PWM mode.
A rectangular signal with an assigned frequency and a constant on-load factor of 50 % is
generated at the digital output.
The frequency output mode has the following functions:
● When the option "High-speed output (0.1 A)" is activated, you can generate a minimum
pulse duration of 2 μs at a current of 100 mA. If the option "High-speed output (0.1 A)" is
not activated, you can generate a minimum pulse duration of 20 μs with a load > 0.1 A
and a minimum pulse duration of 40 μs with a load of ≥ 2 mA and a current of maximum
0.5 A.
If you use a standard output, you can generate a minimum pulse duration of 400 µs with
a load of > 0.1 A and a minimum pulse duration of 500 µs with a load of ≥ 2 mA and a
current of max. 0.5 A.
High-speed
output deac-
tivated
High-speed
output activated
High-speed
output deac-
tivated
High-speed
output activated
1)
1)
● You can control the pulse output (DQA) of the channel manually via the control and
feedback interface.
● You can configure the reaction to CPU STOP. Upon change to CPU STOP, the pulse
output (DQA) is set to the configured state.
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