ABB CI502-PNIO PROFINET Digital I/O Interface Module
Twenty-four integrated 24 V DC channels provide fixed inputs, fixed transistor outputs and a configurable digital I/O group.
Product Overview
ABB CI502-PNIO is a PROFINET IO RT device with integrated digital I/O for AC500 remote stations. It provides eight fixed 24 V DC digital inputs, eight 24 V DC transistor outputs and eight additional channels configurable as inputs or outputs. The digital outputs are rated up to 0.5 A per documented channel, and two RJ45 Ethernet connections are integrated in the TU507-ETH or TU508-ETH terminal unit.
Performance
- Processes eight fixed 24 V DC digital input signals.
- Switches eight fixed 24 V DC transistor outputs rated up to 0.5 A.
- Adds eight configurable 24 V DC channels for input or output operation.
- Communicates as a PROFINET IO RT device.
- Uses module-level isolation between field I/O and the Ethernet network.
- Supports line-topology cabling through two terminal-unit RJ45 ports.
Technical Details
| Manufacturer | ABB |
|---|---|
| Article Number | 1SAP220700R0001 |
| Product Family | AC500 / S500 |
| Network Role | PROFINET IO RT device |
| Fixed Digital Inputs | 8 at 24 V DC |
| Fixed Digital Outputs | 8 transistor outputs at 24 V DC |
| Configurable Digital I/O | 8 at 24 V DC |
| Output Current | 0.5 A maximum per documented output channel |
| Ethernet Ports | 2 RJ45 ports in terminal unit |
| Terminal Unit | TU507-ETH or TU508-ETH |
| Supply | 24 V DC process supply |
| Galvanic Isolation | Module-wise against Ethernet network |
| Lifecycle | Active |
System Integration
- Select TU507-ETH or TU508-ETH according to the station wiring design.
- Assign the PROFINET device name before transferring the controller configuration.
- Define the direction of all eight configurable channels in the hardware project.
- Observe the documented output-current limit and group loading.
- Verify channel states, short-circuit diagnostics and network alarms after commissioning.
Applications
- Compact PROFINET remote I/O stations with mixed input and output requirements.
- Machine sections needing 24 integrated digital channels in one interface module.
- Line-topology installations using the two integrated Ethernet ports.
- Expansion projects where eight channels must remain configurable by direction.
- Like-for-like CI502-PNIO service replacement with the same I/O map.
FAQ
How many integrated digital channels does CI502-PNIO provide?
It provides 24 channels: eight fixed inputs, eight fixed outputs and eight configurable input/output channels.
Can all 24 channels be configured freely?
No. Only eight channels are configurable; the other groups are fixed as eight inputs and eight outputs.
What is the documented output-current limit?
The transistor outputs are rated up to 0.5 A per documented channel.
Which Ethernet terminal units are compatible?
ABB identifies TU507-ETH or TU508-ETH for the module.
Does CI502-PNIO include analog channels?
No. It is the digital-I/O interface; CI501-PNIO is the related module with integrated analog and digital channels.
Which parameter is easy to miss during exchange?
The direction assignment of the eight configurable digital channels must match the controller project and field wiring.
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