The Siemens 6ES7322-5HF00-0AB0 is a spare-part SIMATIC S7-300 SM 322 isolated digital output module with eight relay outputs, a 40-pin front connection, and RC-filter overvoltage protection.
- SIMATIC S7-300 SM 322 isolated relay output module
- 8 relay outputs
- 24 V DC or 120 to 230 V AC
- 5 A for signal state 1
It receives eight output states from the S7-300 backplane and switches electrically isolated relay contacts for approved 24 V DC or 120 to 230 V AC loads up to the documented ratings. It works with an S7-300 rack, CPU, 40-pin front connector, external load protection, and field wiring in machine control, utility panels, and plant automation.
Important Notice: Use the complete 6ES7322-5HF00-0AB0 code and verify the physical nameplate, project, accessories, and current Siemens documentation before installation or replacement.
Apter Power 6ES7322-5HF00-0AB0 Manuals and Guides
Important Notice: These are two separate Apter Power documents prepared from the manufacturer-published Siemens information named in each document. Confirm the physical nameplate, current Siemens documents, and host-system requirements before installation or replacement.
Relay-isolated machine outputs
Switches contactors, valves, indicators, and interposing circuits
Mixed-voltage control panels
Separates S7-300 logic from approved DC or AC load circuits
Plant utility automation
Commands pumps, fans, dampers, and alarm devices through relay contacts
Legacy S7-300 support
Maintains the documented eight-channel output function in an installed rack
Read and follow the exact Siemens documentation and host-equipment instructions before use. Verify 6ES7322-5HF00-0AB0 from the physical nameplate.
1
Load protection: Provide external short-circuit and branch protection for every connected circuit
2
Contact rating: Verify voltage, current, load type, and switching frequency against Siemens limits
3
Connector: Use the required 40-pin front connector and confirm the terminal assignment
4
Isolation: De-energize all DC and AC load groups before removing the connector or module
5
Commissioning: Test each relay output, interlock, fuse, and controlled device independently