SM 323 - Digital in-/output
8x DI
8x DO
DC 24 V
1 A
For 20 pole front connector

SM 323 (323-1BH01)

Technical Data

Order no.: 323-1BH01
Type: SM 323

General Information:

• Note: -
• Features: 8x DI, 8x DO, DC 24 V, 1 A, for 20-pin front connector
• SPEED-Bus: no

Current Consumption/Power Loss:

• Current consumption from backplane bus: 70 mA
• Power loss: 4 W

Technical Data Digital Inputs:

• Number of inputs: 8
• Cable length, shielded: 1000 m
• Cable length, unshielded: 600 m
• Rated load voltage: DC 24 V
• Current consumption from load voltage L+ (without load): 15 mA
• Rated value: DC 20.4...28.8 V
• Input voltage for signal 0: DC 0...5 V
• Input voltage for signal 1: DC 15...28.8 V
• Input voltage hysteresis: -
• Signal logic input: Sinking input
• Frequency range: -
• Input resistance: -
• Input current for signal 1: 7 mA
• Connection of two-wire BEROs possible: yes
• Max. permissible BERO quiescent current: 1.5 mA
• Input delay of 0 to 1: 3 ms
• Input delay of 1 to 0: 3 ms
• Input filter delay: -
• Number of simultaneously utilizable inputs in horizontal configuration: 8
• Number of simultaneously utilizable inputs in vertical configuration: 8
• Input characteristic curve: IEC 61131-2, type 1
• Initial data size: 1 Byte

Technical Data Digital Outputs:

• Number of outputs: 8
• Cable length, shielded: 1000 m
• Cable length, unshielded: 600 m
• Rated load voltage: DC 24 V
• Reverse polarity protection of rated load voltage: yes
• Current consumption from load voltage L+ (without load): 15 mA
• Output current at signal 1, rated value: 1 A
• Signal logic output: Sourcing output
• Output delay of 0 to 1: 150 µs
• Output delay of 1 to 0: 100 µs
• Minimum load current: -
• Lamp load: 5 W
• Parallel switching of outputs for redundant control of a load: possible (only within the group)
• Parallel switching of outputs for increased power: not possible
• Actuation of digital input: yes
• Switching frequency with resistive load, max.: 1000 Hz
• Switching frequency with inductive load, max.: 0.5 Hz
• Switching frequency on lamp load, max.: 10 Hz
• Internal limitation of inductive shut-off voltage: L+ (-52 V)
• Short-circuit protection of output: yes, electronic
• Trigger level: 1.5 A
• Number of operating cycles of relay outputs: -
• Switching capacity of contacts: -
• Output data size: 1 Byte

Status Information, Alarms, Diagnostics:

• Status display: green LED per channel
• Interrupts: no
• Process alarm: no
• Diagnostic interrupt: no
• Diagnostic functions: no
• Diagnostics information read-out: none
• Supply voltage display: green LED per group
• Group error display: red SF LED
• Channel error display: none

Isolation:

• Between channels: yes
• Between channels of groups up to 8: yes
• Between channels and backplane bus: yes
• Insulation tested with: DC 500 V

Datasizes:

• Input bytes: 1
• Output bytes: 1
• Parameter bytes: 0
• Diagnostic bytes: 0

Housing:

• Material: PPE
• Mounting: Rail System 300

Mechanical Data:

• Dimensions (WxHxD): 40 mm x 125 mm x 120 mm
• Net weight: 240 g
• Weight including accessories: -
• Gross weight: -

Environmental Conditions:

• Operating temperature: 0 °C to 60 °C
• Storage temperature: -25 °C to 70 °C

Certifications:

• UL certification: yes
• KC certification: yes