Product Short Description
Product Name: Schneider Electric AS-B836-016 – Modicon M340 I/O Module, 16 Digital Outputs, 24 V DC Transistor
Product Overview:
The AS-B836-016 is a 16-channel digital output module for the Modicon M340 PLC platform. Provides transistor-type sinking outputs for fast-switching DC loads.
Description
Technical Specifications:
| Parameter | Value |
|---|---|
| Channels | 16 digital outputs |
| Output Type | Transistor, sinking (NPN) |
| Output Voltage | 24 V DC (nominal) |
| Max Current per Channel | 0.5 A |
| Total Module Current | 4 A (shared) |
| Response Time (ON→OFF) | 0.2 ms typical |
| Response Time (OFF→ON) | 0.2 ms typical |
| Isolation Voltage | 500 V AC (channel-to-channel) |
| Power Consumption | 1.8 W (bus) + load |
| Mounting | DIN rail / backplane (M340 bus) |
| Operating Temperature | 0°C to +60°C |
| Standards | IEC 61131-2, CE, UL 508 |
Functional Features:
- 16 independent transistor outputs
- Common ground (sinking) configuration
- Status LED per group of 4 channels
- Diagnostic LED for module fault
- Hot-swap capable on M340 backplane
Material Composition:
- Housing: Polycarbonate (PC) – UL94 V-0
- PCB: FR-4, gold-plated contacts
- Connectors: Spring-clip terminals (push-in)
- Isolation: Optocouplers per channel group
Structural Features:
- Front-connectable via spring terminals
- Group-wise LED indicators (4 channels per LED)
- DIN rail clip included
- 40 mm module width
Working Principle:
PLC sends logic signal → optocoupler isolates → transistor switches ON → current flows from load through output to common ground. Group diagnostic monitors for overcurrent/short-circuit.
Advantages:
- Ultra-fast switching (0.2 ms) for high-speed applications
- Individual channel isolation via optocouplers
- Front wiring saves installation time
Applicable Industries:
- Packaging machinery
- Assembly lines
- Material handling
- Process automation
Installation Requirements:
- M340 backplane or DIN rail mounting
- Wire gauge: 0.5–2.5 mm² for signal, 0.5–1.5 mm² for power
- Max cable length to load: 100 m (at 0.5 A)
Usage Notes:
- Do not exceed 0.5 A per channel or 4 A total
- Use flyback diode for inductive loads (solenoids, relays)
- Ensure common ground is connected to 0 V DC
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