I O - D I 8 - R O 8 , I O - D I 8 - R O 8 - L
I / O E x p a n s i o n M o d u l e s
5 / 0 5
Outputs’ power supply: IO-DI8-RO8-L
Nominal operating voltage
12VDC
Operating voltage
10.2 to 15.6VDC
Maximum current consumption
90mA@12VDC
Environmental
IP20 / NEMA1
Operating temperature
0
q
to 50
q
C (32
q
to 122
q
F)
Storage temperature
-20
q
to 60
q
C (-4
q
to 140
q
F)
Relative Humidity (RH)
5% to 95% (non-condensing)
Dimensions (WxHxD)
80mm x 93mm x 60mm (3.15 ” x 3.66 ” x 2.362 ”)
Weight
172g (6.07oz.)
Mounting
Either onto a 35mm DIN-rail or screw- mounted.
Notes:
1.
The inputs' LEDs light up only when communication link is established between module and OPLC.
2.
Input #7 can function either as a high-speed counter, a frequency measurer, or as a normal digital input.
When Input #7 is used as a normal digital input, normal input specifications apply.
3.
Input #6 can function either as the counter’s reset, or as a normal digital input; in either case, its
specifications are those of a normal digital input.
Addressing I/Os on Expansion Modules
Inputs and outputs located on I/O expansion modules that are connected to an OPLC are assigned addresses
that comprise a letter and a number. The letter indicates whether the I/O is an input (I) or an output (O). The
number indicates the I/O’s location in the system. This number relates to both the position of the expansion
module in the system, and to the position of the I/O on that module.
Expansion modules are numbered from 0-7 as shown in the figure below.
0
1
2
3
4
5
6
7
Expansion module
identification number
Adapter
The formula below is used to assign addresses for I/O modules used in conjunction with the OPLC.
X is the number representing a specific module’s location (0-7). Y is the number of the input or output on that
specific module (0-15).
The number that represents the I/O’s location is equal to:
32 + x • 16 + y
Examples
Input #3, located on expansion module #2 in the system, will be addressed as I 67,
67 = 32 + 2 • 16 + 3
Output #4, located on expansion module #3 in the system, will be addressed as O 84,
84 = 32 + 3 • 16 + 4.
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Unitronics_IO-DI8-RO8_IO-DI8-RO8-L_IO_Expansion_en_0511.pdf
