ABB
ABB Parts Supplier in China | Original & Obsolete Modules
We supply ABB automation parts for industrial maintenance, system upgrades and equipment replacement, including current and discontinued models. Our available product range includes the ABB 89AR30 GKWN000326R0100 Relay Unit, ABB 88TK05C-E GJR2393200R1220 New Card, NEW ABB 70PR05B-ES HESG332204R1 Module, and ABB GJR5252300R3101 07AC91 AC31 Module.
Contact us with your complete part number and required quantity. We will check availability and confirm the product condition, compatibility information, test documentation and warranty terms applicable to your order. We also provide international shipping quotations based on your destination and order requirements.
Available ABB Parts & Modules
Browse our ABB parts below. If you need a specific model or a discontinued replacement part, send us the part number and quantity so we can check availability and prepare a quotation.
Architecture, Electrical Specifications & Hardware Compatibility
ABB automation parts cover multiple generations of industrial control equipment. Compatibility depends on the exact module type, host system, electrical interface, communication bus and installed configuration. A matching brand or similar model designation alone does not establish that a replacement can be installed without further checks.
For ABB AC31 systems, verify the complete order code, configured I/O signal range and CS31 bus arrangement before selecting a replacement. Buyers looking for this series can review our ABB AC31 PLC modules and compare the listed model information with the installed equipment documentation.
For AC 800M installations, check the CPU model, hardware revision, redundancy configuration, supported communication interfaces and controller configuration. If an AC 800M replacement is required, confirm whether a dedicated AC 800M category page is available before linking to it.
When replacing a discontinued module, compare the existing unit's nameplate with the replacement label. Check connector keying, terminal assignment, supply requirements and firmware or hardware revision where applicable. Hot-swapping should only be performed when the exact module and installed system explicitly support the procedure.
|
CPUs / Features |
AC 800 M PM851 |
AC 800 M PM891 ABB PLC ABB DCS |
AC 800 M PM891 ABB PLC ABB DCS |
AC 800 M PM891 ABB PLC ABB DCS |
AC 800 M PM891 ABB PLC ABB DCS |
AC 800 M PM891 ABB PLC ABB DCS |
AC 800 M PM891 |
AC 800 M PM891 |
|
Processor Unit |
PM891 ABB PLC ABB DCS |
PM891 ABB PLC ABB DCS |
PM891 ABB PLC ABB DCS |
PM891 ABB PLC ABB DCS |
PM891 ABB PLC ABB DCS |
PM891 ABB PLC ABB DCS |
PM891 |
PM891 |
|
High Integrity Controller |
No |
No |
No |
No |
No |
Yes |
No |
No |
|
Clock frequency |
24 MHz |
24 MHz |
48 MHz |
48 MHz |
96 MHz |
96 MHz |
133MHz |
450MHz |
|
Memory (RAM) |
8 Mb |
8 Mb |
8 Mb |
16 Mb |
32 Mb |
32 Mb |
64 Mb |
256 Mb |
|
CPU redundancy support |
No |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Switch over time in red. conf. |
– |
– |
– |
max 10 ms |
max 10 ms |
max 10 ms |
max 10ms |
max 10ms |
|
Ethernet channels |
1 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
|
Performance, |
0.46 ms |
0.46 ms |
0.23 ms |
0.23 ms |
0.15 ms |
0.15 ms |
0.09 ms |
0.043 ms |
|
Comm. modules on CEX bus |
1 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
|
I/O clusters on ModuleBus (local I/O) |
1 el. + 1 opt. |
1 el. + 7 opt. |
1 el. + 7 opt. |
1 el. + 7 opt. |
1 el. + 7 opt. |
1 el. + 7 opt. |
1 el. + 7 opt. |
0 el. + 7 opt. |
|
I/O capacity on ModuleBus (local I/O) |
max 24 I/O |
max 96 I/O |
max 96 I/O |
max 96 I/O |
max 96 I/O |
Limited, see user |
max 96 I/O |
max 84 I/O |
|
Supported Communication modules |
Profibus |
Foundation |
RS-232 C |
MB300 |
INSUM |
|
Module |
CI854A |
CI860 |
CI853 |
CI855 |
CI857 |
|
Protocol |
DP-V1 |
HSE |
Modbus |
MB300 |
IEEE 802.3 |
|
Master or slave |
Master |
Master |
Master/slave |
Master/slave |
Master |
|
Number of channels |
1 |
1 |
2 |
2 |
1 |
|
Supported Communication modules |
ModbusTCP |
IEC 61850 |
AF100 |
|
Module |
C1867 |
C1868 |
C1869 |
|
Protocol |
Modbus TCP |
IEC61850 |
AF100 Data set |
|
Master or slave |
Master/slave |
Master |
Master/slave |
|
Number of channels |
2 |
1 |
2 |
|
Additional Verification Item |
What to Confirm |
|---|---|
| Full Part Number | Complete ABB order code |
| Hardware Revision | Revision of the offered unit |
| Firmware Compatibility | Compatibility with the installed AC 800M system |
| Product Condition | New sealed, open-box, refurbished or tested surplus |
| Test Documentation | Available inspection records for the supplied unit |
| Warranty | Warranty period confirmed in the quotation |
Quality Assurance, Electrical Load Testing & Anti-Counterfeit Verification

Where functional testing has been performed, we can confirm the applicable test scope and provide available test records. Buyers requiring specific verification, such as power-up checks, I/O function checks or communication tests, should confirm these requirements with us before placing an order.
For discontinued ABB parts, we also recommend checking the complete part number and revision against the existing control system before replacement. Product labels, identification details and supporting documentation can help with verification, but no single check should be treated as conclusive proof of authenticity.
Before ordering, contact us to confirm the product condition, available inspection records and warranty terms for the specific ABB part you need.
New Original Sealed in Box vs. Refurbished and Tested Surplus
|
Purchase Condition |
Verification Points |
|---|---|
|
New Original Sealed in Box (NOSB) |
Packaging and seal condition, label consistency and available provenance records |
|
New, Open-Box or Unused Stock |
Packaging status, visible condition and evidence of previous installation |
|
Refurbished and Tested |
Refurbishment disclosure, inspection scope, test results and warranty terms |
|
Tested Surplus |
Known usage status, actual tests performed and any disclosed limitations |
- Packaging and labels can support an authenticity review, but neither a sealed box nor a matching label independently proves provenance.
- Before installing a replacement CPU, communication card or I/O module, verify the supply voltage, connector assignment, hardware revision and approved installation procedure. If compatibility has not been confirmed, submit an ABB module compatibility check request with the existing part number, installed system model and available revision details.
What We're Offering?
We stock thousands of automation and control components from leading OEMs, all accessible to you from a single place. lf it's not in stock,our multilingual team will scour the globe to find you the part you need for the best price.
FAQ
Request a Quote for ABB Automation Parts
Need an ABB PLC module, relay unit, communication board or discontinued control-system component? Send us your part number and quantity. We will check availability, confirm the product condition and applicable warranty terms, and provide a quotation with available shipping options.
As one of the leading ABB products manufacturers and suppliers in China, we warmly welcome you to buy discount ABB products from our company. Contact us for more cheap products.













