ET-2200 Series Ethernet I/O Modules
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6.3.2Specific Functions
The nDI and nDO parameters for each ET-2200 series module used in the following Modbus Address
Tables are as follows:
Model Name
Universal DIO
(UDIO)
Number of DO channels
(nDO)
Number of DI channels
(nDI)
ET-2242
ET-2242U
-
16
-
ET-2251
-
-
16
ET-2254
ET-2254P
16
Depend on your
configuration
Depend on your
configuration
ET-2255
ET-2255U
-
8
8
ET-2260
-
6
6
ET-2261
-
10
-
ET-2261-16
-
16
-
ET-2268
-
8
-
0xxxx: DOAddress (Base 0)
Starting
Address
Points
Description
Bits per
Point
Range
Access
Type
0
(0x00)
1 to nDO
Digital Output Channels
1
0 = Off
1 = On
R/W
32
(0x20)
1
Clears the status of all high latched DI
Channels
1
1 = Clear
W
33
(0x21)
1
Clearsthe status of all low latched DI
Channels
1
1 = Clear
W
34
(0x22)
1 to nDI
Clears the high speed digital counter for all
DI Channels
1
1 = Clear
W
60
(0x3C)
1
Saves specific data to Flash
(The access type for some registersis
labeled with an “
E”
)
1
0: cannot be
write
1: can be
write
W
100
(0x64)
1 to nDO
Enables the PWM for all DO Channels
1
0 = Off
1 = On
(Default= 0)
R/W
150
(0x96)
1
Enables the high and low latches for all DI
Channels
1
0 = Disable
1 = Enable
(Default= 0)
R/W/F
