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| | Introduction | Analog I/O | Digital I/O | Motion Control | Communication | Memory Socket, Blank I/O | Software Support | |
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| With different communication interface, the I/O modules can be classified to high communication speed (Parallel bus) 8K series modules and low communication speed (serial interface) 87K series modules. |
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I-8K Series VS I-87K Series
There are two types of I/O modules, Parallel and Serial. The parallel modules (I-8K Series) are high-speed modules and support MCU (Main Control Unit) only. The serial modules (I-87K Series) can support either MCU or I/O expansion unit. The difference between the two series are: |
| Model |
I-8K Series |
I-87K Series |
| Communication interface |
Parallel bus |
Serial bus |
| Protocol |
- |
DCON |
| Communication speed |
Fast |
Slow |
| DI with latched function |
- |
Y |
| DI with counter input |
- |
Y (100 Hz) |
| Power on value |
- |
Y |
| Safe value |
- |
Y |
| Programmable slew-rate for AO module |
- |
Y |
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High Profile VS Low Profile
With different form factor, I/O modules can be classified to high profile and low profile. Basically, high profile and low profile modules that with same item number also have same I/O channel number.
For example: I-8054 and I-8054W both has 8 DI and 8 DO.
Except I/O channel number, other specifications could be different. You have to double check whether the specifications suit your application. For example:
For I-8054W, its DI logic high level is +10~+50V. But for I-8054, it is +3.5~+30V. |
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The support list of MCU (Main Control Unit) and I/O expansion unit are: |
I-8K Series VS I-87K Series
There are two types of I/O modules, Parallel and Serial. The I-8K series modules are high-speed modules with parallel interface and the I-87K series are serial interface modules. Both they are supported on PAC (Programmable Automation Controller) units listed in the following table. |
| PAC |
Description |
I-8K Series |
I-87K Series |
| High Profile |
Low Profile |
High Profile |
Low Profile |
| XPAC |
WES/CE6 OS |
Y… |
- |
Y… |
- |
| WinPAC |
CE5 OS |
Y… |
- |
Y… |
- |
| LinPAC |
Linux OS |
Y… |
- |
Y… |
- |
| ViewPAC |
PAC with Display |
Y(Note) |
- |
Y(Note) |
- |
| iPAC |
MiniOS7 OS |
Y |
- |
Y |
- |
| iPPC-6731-WES7 |
WES PAC with 15" Touch Panel |
Y |
- |
Y |
- |
| MP-8000 |
Motion PAC |
Y… |
- |
- |
- |
| I-8000 |
MiniOS7 OS |
Y |
Y |
Y |
Y |
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