Siemens SIMATIC ET 200SP Manual page 141

Byte Channel 0 mode and variable usage
24 to 27
PWM
Pulse output, Pulse train, On/Off-delay, Frequency output,
and DC motor
28 to 31
PWM
Pulse output, Pulse train, On/Off-delay, Frequency output,
and DC motor
32 to 55
32 to 33 Reference value current (mA)
34 to 35 Dead band width (μA)
36 to 37 High limit - S7-analog value relative to the reference value
current
38 to 39 Low limit - S7-analog value relative to the reference value
current
40 to 43 Gain
44 to 47 TI: Integration time (s)
48 to 51 TD: Derivative action time (s)
52 to 55 TM LAG: Time lag of the derivative action (s)
Technology module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
Manual, 09/2015, A5E35061186-AA
Value range
Dither amplitude DWord
Dither amplitude (per mil):
0 to 500
the default value is 50.
Reserved
Dither period DWord
Dither period:
Valid from ((4 x PWM period) AND ( > 2000)) μs to
100,000 μs.
The default value is 50,000 μs.
Reserved
PWM mode only: Current control parameters
Word size:
0 mA to 2000 mA for "2 channels (2 A)" operation
0 mA to 4000 mA for "1 channel (4 A)" operation
Word size: 0 μA to 65535 μA
Word size: 1 to 65535 (>= 27648 means 100%)
Word size: 0 to 27647 (because Low limit must be less than
the High limit)
Real (DWord size): Default value = 2.0 s
Real (DWord size): Default value = 20.0 s
Real (DWord size): Default value = 10.0 s
Real (DWord size): Default value = 2.0 s
Parameter data record
141