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Siemens 6ES7321-1EL00-0AA0

Siemens 6ES7321-1EL00-0AA0

  • Manufacturer: Siemens

  • Product No.: 6ES7321-1EL00-0AA0

  • Condition:Қорда 1000 бар

  • Product Type: SM 321 DI 32x120/230V AC

  • Product Origin: Germany

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Қолдау
  • 30 Күндік Қайтарулар
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Product Details



Parameter Details
Manufacturer Siemens
Model/Part Number 6ES7321-1EL00-0AA0
Description SIMATIC S7-300, Digital Input Module SM 321, 32 DI, 120/230 V AC, Optically Isolated, High Density

Product Overview



Parameter Details
Part Number 6ES7321-1EL00-0AA0
Product Name SM 321 DI 32x120/230V AC
Application High-density AC voltage digital input expansion for S7-300 PLCs in industrial power systems, building automation, switchgear monitoring, and AC sensor interfacing
Compatibility S7-300 CPU (312_318); mounts in any I/O slot of CR 0_3; supports central and distributed (via ET 200M) configurations
Function Provides 32 optically isolated AC inputs (120/230 V AC); configurable filter, zero-cross detection, diagnostics, and IEC 61131-2 compliance

Functional Specifications



Parameter Details
Input Channels 32 digital inputs (single-ended, optically isolated)
Input Type 120 V AC / 230 V AC, 47_63 Hz
Rated Voltage 79_132 V AC / 159_264 V AC (auto-range)
Logic 1 (min) 79 V AC
Logic 0 (max) 20 V AC
Input Current 6 mA typical @ 120 V, 8 mA @ 230 V
Input Delay Configurable: 3, 5, 10, 20 ms (default 10 ms)
Zero-Cross Detection Yes _ synchronized to AC mains for noise immunity
Cable Length 200 m (shielded), 100 m (unshielded)
Isolation 1500 V AC input-to-backplane; group isolation (16 channels per group)
Common Mode Voltage ±250 V AC max
Diagnostics Module fault, missing AC voltage, fuse blown (per group), process alarm, per-group LED
Address Space 4 bytes (32 inputs)
Power Supply From S7-300 backplane (5 V DC)
Backplane Current 150 mA @ 5 V DC
Power Loss 8.0 W typical
LED Indicators - 0_31 (green, grouped): Input state - SF (red): System fault - FUSE (red): Fuse blown per group
Configuration STEP 7 V5.6+ or TIA Portal V13+; per-group filter, diagnostics, alarm enable
Connection Front 40-pin connector (6ES7392-1AM00-0AA0, screw or spring)
Wire Size 0.2_1.5 mm² (24_16 AWG)
Operating Temperature Range 0°C to +60°C
Storage Temperature Range -40°C to +70°C
Humidity 5% to 95% non-condensing
Vibration IEC 60068-2-6 (1g, 10_150 Hz)
Shock IEC 60068-2-27 (15g, 11 ms)
Mounting Snaps onto S7-300 rail
Dimensions (W x H x D) 40 mm _ 125 mm _ 120 mm
Weight 0.28 kg
Enclosure Rating IP20
Certifications CE, UL, cUL, FM Class I Div 2, ATEX Zone 2, China RoHS, EAC
View full details

Product Description

Product Details



Parameter Details
Manufacturer Siemens
Model/Part Number 6ES7321-1EL00-0AA0
Description SIMATIC S7-300, Digital Input Module SM 321, 32 DI, 120/230 V AC, Optically Isolated, High Density

Product Overview



Parameter Details
Part Number 6ES7321-1EL00-0AA0
Product Name SM 321 DI 32x120/230V AC
Application High-density AC voltage digital input expansion for S7-300 PLCs in industrial power systems, building automation, switchgear monitoring, and AC sensor interfacing
Compatibility S7-300 CPU (312_318); mounts in any I/O slot of CR 0_3; supports central and distributed (via ET 200M) configurations
Function Provides 32 optically isolated AC inputs (120/230 V AC); configurable filter, zero-cross detection, diagnostics, and IEC 61131-2 compliance

Functional Specifications



Parameter Details
Input Channels 32 digital inputs (single-ended, optically isolated)
Input Type 120 V AC / 230 V AC, 47_63 Hz
Rated Voltage 79_132 V AC / 159_264 V AC (auto-range)
Logic 1 (min) 79 V AC
Logic 0 (max) 20 V AC
Input Current 6 mA typical @ 120 V, 8 mA @ 230 V
Input Delay Configurable: 3, 5, 10, 20 ms (default 10 ms)
Zero-Cross Detection Yes _ synchronized to AC mains for noise immunity
Cable Length 200 m (shielded), 100 m (unshielded)
Isolation 1500 V AC input-to-backplane; group isolation (16 channels per group)
Common Mode Voltage ±250 V AC max
Diagnostics Module fault, missing AC voltage, fuse blown (per group), process alarm, per-group LED
Address Space 4 bytes (32 inputs)
Power Supply From S7-300 backplane (5 V DC)
Backplane Current 150 mA @ 5 V DC
Power Loss 8.0 W typical
LED Indicators - 0_31 (green, grouped): Input state - SF (red): System fault - FUSE (red): Fuse blown per group
Configuration STEP 7 V5.6+ or TIA Portal V13+; per-group filter, diagnostics, alarm enable
Connection Front 40-pin connector (6ES7392-1AM00-0AA0, screw or spring)
Wire Size 0.2_1.5 mm² (24_16 AWG)
Operating Temperature Range 0°C to +60°C
Storage Temperature Range -40°C to +70°C
Humidity 5% to 95% non-condensing
Vibration IEC 60068-2-6 (1g, 10_150 Hz)
Shock IEC 60068-2-27 (15g, 11 ms)
Mounting Snaps onto S7-300 rail
Dimensions (W x H x D) 40 mm _ 125 mm _ 120 mm
Weight 0.28 kg
Enclosure Rating IP20
Certifications CE, UL, cUL, FM Class I Div 2, ATEX Zone 2, China RoHS, EAC