ICP DAS USA ET-2242 User Manual page 98

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ET-2200 Series Ethernet I/O Modules

4xxxx: AO Address (Base 0)
Starting
Points
Address
50
1 to nDI
(0x32)
Note: Preset DI Counter Value (0x32) that the records data as 32-bit value and is transmitted as
two 16-bit registers. Consequently, the register address has an offset of 2, i.e., the address of the
second channel will be at starting-address +2, and so on. You can refer to FAQ003_How do I read DI
Counter for the PETL/tET/tPET Series Modules correctly for more detailed information.
Example: Reads the preset value of 6 DI Counter on the ET-2260.
[Leading 6 bytes]
Command: 01 02 00 00 00 06
100
1 to nDO
(0x64)
150
1 to nDO
(0x64)
200
1 to nDI
(0x64)
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Description
The preset value for the high speed
digital counter
01 04 00 32 00 0C
Starting Address
The duty cycle for the DO PWM
The first word (16-bit register) is
the high pulse width, while the
second word is the low pulse width.
The units are in ms, and the
resolution is about 10 ms.
The Scan mode for
frequency measurement.
Refer to Section 4.4.2
Co figuratio
for more details.
The moving average of the DI
frequency measurement.
Bits per
Point
32
[Request]
6 channels * 2 registers
= 12 registers
32
the DI
16
DI/DO
16
Access
Range
Type
0 to
R/W/E
4294967296
0 to 65535;
R/W/E
0 to 65535;
1000= 1000 ms
100= 100 ms
R/W/F
2000=Single
pulse
1=No average
2= Average 2
values
R/W/F
4= Average 4
values
8=Average 8
values
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