SiemensDigital Output Module 32 Outputs 24 V DC 0.5 A Isolated 40-Pin Front Connector S7-300

Product Description

What this part is

Siemens 6ES7322-1BL00-0AA0 digital output module, Simatic S7-300 SM 322. Manufacturer: Siemens. Part Number: 6ES7322-1BL00-0AA0. Module Family: SM 322. Controller Platform: Simatic S7-300 and ET 200M. Outputs: 32. Supply Voltage: 24 V DC. Output Current: 0.5 A per point. Group Current: 4 A per group. Module Current: 16 A. Isolation: isolated, in groups of 8. Connector Style: one 40-pin front connector. Mounting Type: S7-300 profile rail. Protection Rating: IP20. Dimensions: 40 x 125 x 117 mm (W x H x D). Item Weight: 0.31 kg (0.68 lb). Operating Temperature: 0 to 60 °C horizontal mounting, 0 to 40 °C vertical mounting. GTIN: 4025515060932. Harmonization Code: 85389091.

Decoding the designation

6ES7 — the Siemens order-number group for Simatic S7 automation hardware. 322 — the SM 322 digital output signal module family for the S7-300. 1BL00 — the execution code fixing the 32-point, 24 V DC, 0.5 A isolated version with a single 40-pole front connector. 0AA0 — the product-version suffix Siemens uses across the S7 range.

What these specs mean in practice

Outputs: 32. A single-width slot carries 32 switched points, which is the highest point density in the SM 322 24 V DC range and keeps rack length down on output-heavy machines. Output Current: 0.5 A per point. That covers solenoid valves, contactor coils, pilot lights and interposing relays directly, without an intermediate relay stage. Group Current: 4 A, Module Current: 16 A. The 32 points share a 16 A module budget in four 4 A groups, so a group of eight can be fully loaded at 0.5 A each and still sit inside its limit. Isolation: isolated in groups of 8. Each group of eight points has its own reference, so four separate machine circuits can be driven from one card without tying their commons together. Connector Style: 40-pin front connector. The field wiring lands on a removable front connector, so the module itself can be pulled and replaced with the loom left in place. Operating Temperature: 0 to 60 °C horizontal. The full 60 °C ceiling applies to a horizontally mounted rack; a vertically mounted rack is rated to 40 °C.

Mounting data

Mounting Type: Simatic S7-300 profile rail, single-width slot, backplane bus connection through the U-connector. Dimensions: 40 mm wide x 125 mm high x 117 mm deep. Item Weight: 0.31 kg (0.68 lb). Protection Rating: IP20.

Quantity and configuration

Unit Quantity: 1 Pc. The listing is for one module.

Interchange guidance

GTIN: 4025515060932. MPN Variants: 6ES7322-1BL00-0AA0, 6ES73221BL000AA0, 6ES7 322-1BL00-0AA0, 6ES7322 1BL00 0AA0. Within SM 322 the 1BL00 code is what fixes the 32-point 0.5 A isolated execution. A 6ES7322-1BH01 is the 16-point version and a 6ES7322-1BF01 the 8-point version.