Use CI511 for analog values
Select CI511-ETHCAT when the station needs analog measurement and command signals together with the fixed digital points. Define every analog range and reference in the project.
ABB · real-time EtherCAT I/O
ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 EtherCAT I/O Modules
2 × RJ45daisy-chain switch
8 DI + 8 DOshared digital I/O
CI511 / CI512analog or configurable
01
Product Profile
ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 are EtherCAT communication interface modules that place local I/O directly behind a real-time Ethernet connection. Both variants use position-defined addressing, two switched RJ45 ports and a shared set of eight digital inputs and eight digital outputs.
The selection boundary in ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 is the additional channel set. CI511-ETHCAT adds four analog inputs and two analog outputs, while CI512-ETHCAT adds eight configurable digital channels; the application therefore determines whether mixed analog processing or flexible digital assignment is required.
At the field side, ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 use 24 V DC input and output circuits with an external process-voltage path for the loads. EtherCAT order, station wiring, process supply and the exact CI511 or CI512 channel map must agree before the station is commissioned.
02
Performance Specifications
| Technical item | CI511-ETHCAT 1SAP220900R0001 | CI512-ETHCAT 1SAP221000R0001 |
|---|---|---|
| Brand | ABB | |
| Country | Switzerland | |
| Protocol | EtherCAT | |
| Addressing | Defined by EtherCAT position | |
| Network ports | 2 × RJ45 with switch functionality | |
| Digital inputs | 8 | |
| Digital outputs | 8 | |
| Analog inputs | 4 | None |
| Analog outputs | 2 | None |
| Configurable digital channels | None | 8 |
| Input voltage | 24 V DC, Type 1 | |
| Input delay | 8 ms typical; 0.1–32 ms configurable | |
| Output rating | 24 V DC, 0.5 A per channel | |
| Maximum total output current | 8 A | |
| Process supply | 24 V DC via UP; reverse-polarity protected | |
03
Communication and Connectivity
ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 become part of the EtherCAT line according to their physical position. Network order, port direction and station configuration must therefore describe the same daisy chain. The topology record should show the master, branch order, termination and cable route so a communication interruption can be located without disturbing unaffected stations.
01
Build the line in order
Document the controller-to-device sequence before cables are landed. A physical reorder changes the position address seen by the EtherCAT master.
02
Use both ports deliberately
Identify the incoming and outgoing RJ45 connections and keep bend, shielding and connector retention suitable for the cabinet. Do not treat the two ports as unrelated Ethernet connections.
03
Commission the bus before loads
Verify master recognition and expected device order for ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001, then enable process supply and test field channels. This separates a bus problem from a load problem.
04
Product Functions
ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 share EtherCAT communication and sixteen fixed digital points, but their additional channels serve different control functions. The module choice should follow the signal list. Model selection should follow the required signal direction and station role; the interface becomes useful only when its process data is assigned consistently from terminal to controller variable.
Use CI512 for digital flexibility
Select CI512-ETHCAT when eight additional channels need project-defined input or output direction. The declared direction must match the terminal schedule.
Coordinate the process supply
The digital outputs depend on the external UP path. Calculate the simultaneous load and verify supply protection before the channels of ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 are enabled.
05
Technical Questions
Q01How should a buyer choose between ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001?
Choose CI511-ETHCAT for four analog inputs and two analog outputs, or CI512-ETHCAT for eight configurable digital channels. The common EtherCAT and fixed digital functions do not remove this signal-list difference in ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001.
Q02Why can the EtherCAT master report the wrong device after work on ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001?
EtherCAT addressing follows physical order. Compare the actual daisy-chain sequence, cable direction and configured station list for ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 before changing addresses elsewhere.
Q03What should be checked when outputs on ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 stay off although EtherCAT is healthy?
Check the external UP process supply, polarity, fuse, return path and output command. A healthy bus does not prove that the load-voltage path for ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 is present.
Q04How should analog channels on the CI511 part of ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 be commissioned?
Confirm range, reference and shielding, then apply known field values and compare raw and engineering-unit readings. Test outputs with the final element controlled before releasing the CI511 side of ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001.
Q05How should configurable channels on the CI512 part of ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 be documented?
Record the input/output direction in the project, terminal schedule and test sheet. All three records must agree for the CI512 side of ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001.
Q06What information should accompany an enquiry for ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001?
Provide the exact CI511 or CI512 article, required channel mix, EtherCAT station context, terminal unit, quantity and current label so the request for ABB CI511-ETHCAT 1SAP220900R0001 / CI512-ETHCAT 1SAP221000R0001 is not treated as one generic interface.
06
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07
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