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128‑channel opto‑isolated open‑collector output for PCI. The PO‑128L(PCI)H supports 12‑24 VDC output with 35VDC/100mA per channel, surge and overcurrent protection, and common terminals per 16 channels. Windows/Linux drivers and LabVIEW support included. From Contec Americas.
The PO‑128L(PCI)H provides 128 opto‑isolated open‑collector output channels on a single PCI board. Supporting 12‑24 VDC output with 35VDC/100mA per channel, it is ideal for large‑scale industrial control, factory automation, and machine interface applications. Common terminals are provided per 16 channels, allowing different external power supplies for each bank.
Industrial‑grade protection – Zener diodes protect against surge voltages, and an overcurrent protection circuit is included for every 8 output channels, ensuring robust operation in demanding environments.
Designed for systems requiring a large number of digital output points. The PO‑128L(PCI)H offers 128 channels in a single slot, reducing system cost and complexity. The opto‑isolated design provides 250Vrms isolation between the PCI bus and output interfaces for excellent noise immunity.
| Specification | Detail |
|---|---|
| Model | PO-128L(PCI)H |
| Output type | Opto‑isolated open‑collector (current sink, negative logic) |
| Output channels | 128 (16 channels share a negative common) |
| Output voltage | 35VDC (max) |
| Output current | 100mA per channel (max) |
| Residual voltage at ON | 0.5V max (≤50mA), 1.0V max (≤100mA) |
| Surge protector | Zener diode (RDI47M or equivalent) |
| Response time | 200µsec (max) |
| I/O address | Any 32‑byte boundary |
| Interrupt level | Not used |
| Boards per system | 16 (max) |
| Isolated voltage (I/O‑to‑system) | 250 Vrms |
| External power supply | 12‑24 VDC (±10%) |
| Power consumption | 5VDC 700mA (max) |
| Bus specification | PCI 32‑bit, 33MHz, Universal key (+5V required) |
| Dimensions (mm) | 176.41(L) × 105.68(H) |
| Weight | 215g |
| Operating temperature | 0 – 50°C |
| Operating humidity | 10 – 90%RH (no condensation) |
| Standards | VCCI Class A, CE (EMC Class A, RoHS), UKCA, KC |
| Included items | Product, manual |
| Datasheet version | As of October 2022 |
| Product Name | Model | Description |
|---|---|---|
| Shielded cable with 100‑pin connector (both ends) | PCB100PS-05 / -15 / -3 / -5 | 0.5m / 1.5m / 3m / 5m |
| Connection conversion cable (100P‑96P) | PCB100/96PS-15 / -3 / -5 | 1.5m / 3m / 5m |
| Flat cable with 100‑pin connector (one end) | PCA100P-15 / -3 / -5 | 1.5m / 3m / 5m |
| Connection conversion cable (100P‑37P D‑SUB ×2) | PCB100WS-15 / -3 / -5 | 1.5m / 3m / 5m |
| Screw terminal (M3×100P) | EPD-100A | Spring‑up type |
| Screw terminal (M3×96P) | EPD-96A / EPD-96 | Various |
| Connection conversion card (96‑pin → 37‑pin ×2) | CCB-96 | — |
| Screw terminal (M3×37P) | EPD-37A | Spring‑up type |
| Signal monitor (64P) | CM-64L | — |
* Various cables and terminal blocks available. Refer to datasheet for compatibility. Visit CONTEC website for latest options.
The PO‑128L(PCI)H is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity, accessories, and integration with your industrial control systems.
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