Ethernet I/O Modules
ICP DAS CO., LTD.
PETL/tET/tPET DIO Series User Manual, Ver. 2.2, Aug. 2017, Page: 109
4xxxx: AO Address (Base 0)
Starting
Address
Points
Description
Bits per
Point
Range
Access
Type
50
(0x32)
1 to nDI
The preset value for the high speed
digital counter
32
0 to
4294967296
R/W/E
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-a2, and so on. You can
refer to
“
FAQ: How do I read DI Counter for the PETL/tET/tPET Series Modules correctly
”
for
more detailed information.
Example: Reads the preset value of 6DI Counter on the tPET-P6.
[Leading 6 bytes] [Request]
Command: 01 02 00 00 00 06 01 04 00 32 00
0C
100
(0x64)
1 to nDO
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 rein ms, and the
resolution is about 10 ms.
32
0 to 65535;
0 to 65535;
R/W/E
150
(0x64)
1 to nDO
The Scan mode for the DI
frequency measurement.
Refer to
Section “DI/DO
Configuration”
for more details.
16
1000= 1000ms
100= 100ms
2000=Single
pulse
R/W/F
200
(0x64)
1 to nDO
The moving average of the DI
frequency measurement.
16
1=No average
2=Average 2
values
4= Average 4
values
8=Average 8
values
R/W/F
Starting Address
6 channels * 2 registers
= 12 registers
