Siemens 6ES7322-8BH01-0AB0 S7-300 Digital Output Module
Item NO.: 3746446
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameSiemens 6ES7322-8BH01-0AB0 S7-300 Digital Output Module
- Item NO.3746446
- Weight0.2200 kg = 0.4850 lb = 7.7603 oz
- CategoryPLC
- BrandSiemens
- Creation Time2026-08-25
- S7-300 Digital Output Module
6ES7322-8BH01-0AB0
S7-300 Digital Output Module · 16 DO · 24V DC
Lifecycle Status: Active (Standard product)
Product Profile
6ES7322-8BH01-0AB0 is a Siemens S7-300 digital output module with 16 channels, 24V DC, 0.5A per channel. It is part of the SM 322 series and provides isolated outputs for controlling actuators, contactors, and indicator lights in automation systems. The module features diagnostic capabilities and is compatible with the entire S7-300 system.
Order number 6ES7322-8BH01-0AB0 · Requires S7-300 rack
Technical Data
Output Specifications
- Number of outputs: 16 (digital)
- Output voltage: 24V DC
- Output current: 0.5 A per channel
- Total current: 4 A max (per group)
- Output type: Transistor (source)
- Short-circuit protection: Yes, electronic
- Diagnostic alarm: Yes (parameterizable)
- Output delay: Typ. 100 µs
General & Installation
- Isolation: Galvanic isolation between channels and backplane bus
- Power consumption: 80 mA (from backplane bus)
- Power loss: 6.5 W typical
- Protection class: IP20
- Ambient temperature: 0°C ~ 60°C
IEC 61131-2 compliant · Suitable for standard and safety-related applications
System Role
The SM 322 digital output module serves as a standard actuator interface in the S7-300 system, designed for:
- Actuator control for contactors, solenoid valves, indicator lights
- Output expansion for S7-300 CPUs with limited integrated I/O
- Distributed I/O in combination with ET 200M
- Diagnostic monitoring for short-circuit and wire-break detection
- Legacy system upgrade for older S7-300 output modules
Compatibility
Drop-in Replacements
- Predecessor: 6ES7322-8BH00-0AB0
- Successor: 6ES7322-8BH01-0AB0 (current version)
- Compatible with: All S7-300 CPUs, racks, and power supplies
- Programming software: STEP 7 V5.5 or higher, TIA Portal
- Hardware configuration: Identical to predecessor, no project changes required
Long-term Migration (S7-1500)
Recommended S7-1500 replacement: 6ES7522-1BH01-0AB0 (DQ 16x24V DC/0.5A)
Migration requirements:
- • Program must be ported to TIA Portal
- • Hardware module replaced with S7-1500 compatible module
- • Wiring is identical (same pinout)
- • Full hardware configuration re-engineering required
Applications
- Actuator control in machine automation (packaging, filling, textile)
- Contactors and relay control in switchgear
- Indicator light and signal tower control
- Distributed I/O applications with ET 200M
- Replacement for older S7-300 output modules
- General-purpose digital output expansion
Recommended Models
| Model | Model |
|---|---|
| IC693MDL646C | FMC250 |
| NTPS-24-1.3 | DXR2.M18-101A |
| TXS1.12F10 | SC-MV04FL |
| KFD2-SR2-EX1.W.LB | RXC32.1 |
| UDK-04-10 | CNX-B12W |
| REG-K/8x230/16 | IM72-11Ex/L |
| DBS1224B4W | CB-400 |
| H7080B2103 | KZT11 |
| AX-LDPT482V-1 | OM40BHOND |
| PT5402 | FCA/S 1.1M |
| SG-TL70-G | LG-003552 |
| EV669 | SB-4Z-UN |
| FCSM082300 | 3TX7116-5FC13C |
| PR6 2925M1221 | 1C31227G01 |
| T8123 PoE-30W | CAT5e/6/7 |
Frequently Asked Questions
Is 6ES7322-8BH01-0AB0 still active? What is its availability?
Yes, this module is still an active standard product. It is fully available through Siemens and authorized distributors. No discontinuation has been announced for this module.
What is the difference between 6ES7322-8BH00-0AB0 and 6ES7322-8BH01-0AB0?
The 8BH01 version includes improved diagnostic capabilities, better EMC immunity, and updated firmware compatibility. The hardware configuration is identical and the module is a drop-in replacement for the 8BH00 version.
What is the maximum output current per channel and per group?
Each channel can handle up to 0.5 A. The module is divided into two groups of 8 channels each, with a maximum total current of 4 A per group.
Does this module support diagnostic alarms?
Yes, the module supports diagnostic alarms for short-circuit, wire-break, and overload conditions. These alarms can be parameterized in STEP 7 and evaluated in the user program.
Which programming software is supported?
Supports STEP 7 V5.5 or higher and TIA Portal V13 or higher. Hardware configuration is identical to the predecessor, making project migration straightforward.
What is the long-term migration path to S7-1500?
The recommended S7-1500 replacement is 6ES7522-1BH01-0AB0 (DQ 16x24V DC/0.5A). Wiring is identical, but full hardware configuration re-engineering is required in TIA Portal.
