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Siemens 6ES7321-1BH02-0AB0

Siemens 6ES7321-1BH02-0AB0

  • Manufacturer: Siemens

  • Product No.: 6ES7321-1BH02-0AB0

  • Condition:1000 במלאי

  • Product Type: SM 321 DI 16x24V DC (High Feature)

  • Product Origin: Germany

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • תמיכה 24/7
  • החזרות תוך 30 יום
  • משלוח מהיר

Product Details



Parameter Details
Manufacturer Siemens
Model/Part Number 6ES7321-1BH02-0AB0
Description SIMATIC S7-300, Digital Input Module SM 321, 16 DI, 24 V DC, Optically Isolated, Sink/Source, High Immunity

Product Overview



Parameter Details
Part Number 6ES7321-1BH02-0AB0
Product Name SM 321 DI 16x24V DC (High Feature)
Application Enhanced digital input expansion for S7-300 PLCs in harsh industrial environments with high EMI, long cable runs, and critical sensor monitoring
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 16 optically isolated digital inputs (24 V DC, sink/source); configurable filter (0.5_100 ms), enhanced diagnostics, high EMC immunity, and IEC Type 1 compliance

Functional Specifications



Parameter Details
Input Channels 16 digital inputs (single-ended, optically isolated)
Input Type 24 V DC, IEC 61131-2 Type 1 (sink or source)
Rated Voltage 24 V DC (20.4_28.8 V)
Logic 1 (min) 13 V DC
Logic 0 (max) 5 V DC
Input Current 7 mA typical @ 24 V
Input Delay Configurable: 0.5, 1, 3, 5, 10, 20, 50, 100 ms (default 3 ms)
Cable Length 1000 m (shielded), 600 m (unshielded)
Isolation 500 V DC input-to-backplane; no channel-to-channel isolation
Common Mode Voltage ±35 V max
Diagnostics Module fault, short-circuit to ground, wire break, input signal error, per-channel LED, process alarm
Address Space 2 bytes (16 inputs)
Power Supply From S7-300 backplane (5 V DC)
Backplane Current 100 mA @ 5 V DC
Power Loss 4.0 W typical
LED Indicators - 0_15 (green): Input state - SF (red): System fault - DIAG (yellow): Diagnostic active
Configuration STEP 7 V5.6+ or TIA Portal V13+; per-channel filter, diagnostics, alarm enable
Connection Front 20-pin screw terminal (6ES7392-1AJ00-0AA0)
Wire Size 0.2_1.5 mm² (24_16 AWG)
Operating Temperature Range -25°C to +60°C (extended)
Storage Temperature Range -40°C to +70°C
Humidity 5% to 95% non-condensing
Vibration IEC 60068-2-6 (2g, 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 0.23 kg
Enclosure Rating IP20
Certifications CE, UL, cUL, FM Class I Div 2, ATEX Zone 2, China RoHS, EAC, IEC 61000-6-2 (enhanced EMC)
View full details

Product Description

Product Details



Parameter Details
Manufacturer Siemens
Model/Part Number 6ES7321-1BH02-0AB0
Description SIMATIC S7-300, Digital Input Module SM 321, 16 DI, 24 V DC, Optically Isolated, Sink/Source, High Immunity

Product Overview



Parameter Details
Part Number 6ES7321-1BH02-0AB0
Product Name SM 321 DI 16x24V DC (High Feature)
Application Enhanced digital input expansion for S7-300 PLCs in harsh industrial environments with high EMI, long cable runs, and critical sensor monitoring
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 16 optically isolated digital inputs (24 V DC, sink/source); configurable filter (0.5_100 ms), enhanced diagnostics, high EMC immunity, and IEC Type 1 compliance

Functional Specifications



Parameter Details
Input Channels 16 digital inputs (single-ended, optically isolated)
Input Type 24 V DC, IEC 61131-2 Type 1 (sink or source)
Rated Voltage 24 V DC (20.4_28.8 V)
Logic 1 (min) 13 V DC
Logic 0 (max) 5 V DC
Input Current 7 mA typical @ 24 V
Input Delay Configurable: 0.5, 1, 3, 5, 10, 20, 50, 100 ms (default 3 ms)
Cable Length 1000 m (shielded), 600 m (unshielded)
Isolation 500 V DC input-to-backplane; no channel-to-channel isolation
Common Mode Voltage ±35 V max
Diagnostics Module fault, short-circuit to ground, wire break, input signal error, per-channel LED, process alarm
Address Space 2 bytes (16 inputs)
Power Supply From S7-300 backplane (5 V DC)
Backplane Current 100 mA @ 5 V DC
Power Loss 4.0 W typical
LED Indicators - 0_15 (green): Input state - SF (red): System fault - DIAG (yellow): Diagnostic active
Configuration STEP 7 V5.6+ or TIA Portal V13+; per-channel filter, diagnostics, alarm enable
Connection Front 20-pin screw terminal (6ES7392-1AJ00-0AA0)
Wire Size 0.2_1.5 mm² (24_16 AWG)
Operating Temperature Range -25°C to +60°C (extended)
Storage Temperature Range -40°C to +70°C
Humidity 5% to 95% non-condensing
Vibration IEC 60068-2-6 (2g, 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 0.23 kg
Enclosure Rating IP20
Certifications CE, UL, cUL, FM Class I Div 2, ATEX Zone 2, China RoHS, EAC, IEC 61000-6-2 (enhanced EMC)