Email: sales@runshengdcs.com
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Phone：+86 15383419322Description
The ABB RLM01 3BDZ00398R1IMG is a robust relay output module designed for ABB’s AC 500 PLC platform, providing high-density switching capabilities for industrial automation systems. Engineered to control high-current loads in demanding environments, this module features 16 configurable Form C (SPDT) relay outputs with a 6 A switching capacity per channel. The ABB RLM01 integrates seamlessly with PM5xx processors via the local I/O bus, supporting real-time control of motors, solenoids, and lighting systems. Its reinforced isolation (1.5 kV AC) between field circuits and backplane prevents electrical noise interference, while the integrated freewheeling diodes protect against inductive load transients. The module’s hot-swappable design allows maintenance without system shutdown, and the 3BDZ00398R1IMG suffix denotes enhanced surge immunity (IEC 61000-4-5 Level 4) and extended temperature operability.
ABB RLM01 3BDZ00398R1IMG
Technical Specifications
| Parameter | Value |
| Product Model | RLM01 (3BDZ00398R1IMG) |
| Manufacturer | ABB |
| Product Type | 16-Channel Relay Output Module |
| Output Type | 16 x SPDT (Form C) |
| Contact Rating | 6 A @ 250 V AC / 30 V DC per channel |
| Switching Capacity | Resistive: 1500 VA; Inductive: 720 VA |
| Isolation | 1500 V AC (field-to-backplane), 500 V AC (channel-to-channel) |
| Response Time | ≤10 ms (ON/OFF) |
| Backplane Interface | AC 500 Local I/O Bus |
| Power Consumption | 1.8 W (standby), 3.5 W (max load) |
| Operating Temperature | –25°C to +60°C (extended: –40°C to +70°C) |
| Surge Immunity | 4 kV (IEC 61000-4-5) |
| Dimensions | 126 x 129 x 120 mm (H x W x D) |
| Certifications | CE, UL 508, cULus |
Main Features and Advantages
High-density switching: Sixteen SPDT relays in a single module save 75% cabinet space versus discrete relays. Gold-plated contacts ensure 1 million mechanical/100,000 electrical operations at rated load.
Enhanced reliability: Integrated snubber circuits suppress voltage spikes from inductive loads (e.g., contactors). Galvanic isolation prevents ground loops in multi-voltage systems.
Diagnostic intelligence: LED per channel indicates relay status and fault conditions. Open-circuit detection alerts via PLC diagnostics.
Deployment flexibility: Hot-swap capability during live operation minimizes downtime. DIN-rail mounting with vibration resistance (2g @ 15–150 Hz) suits mobile machinery.
Application Field
The ABB RLM01 3BDZ00398R1IMG controls critical loads in:
Manufacturing: Conveyor motor sequencing and robotic cell tooling in automotive assembly
Material Handling: Palletizer solenoid control and AS/RS shuttle switching
Water Treatment: Pump station valve actuation and aerator motor control
Building Automation: Stadium lighting banks and HVAC damper positioning
Energy Infrastructure: Solar tracker positioning motors and substation cooling fans
Related Products
RTM01: 32-Channel Digital Input Module for complementary sensing
RAO01: Analog Output Module (4–20 mA) for valve positioning
PM581: AC 500 PLC processor for logic execution
XIO01: Expansion interface for remote I/O
PS501: Redundant power supply for AC 500 racks
RLM02: 8-Channel High-Current Relay Module (16 A)
CBM01: Communication module for PROFINET integration
ABB RLM01 3BDZ00398R1IMG
Installation and Maintenance
Pre-installation preparation: Verify load characteristics match relay ratings. Use 1.5 mm² stranded copper wiring with ferrule terminals. Ground backplane to <0.1 Ω resistance. Configure channel properties in Automation Builder.
Maintenance recommendations: Monitor contact erosion via PLC diagnostic counters. Replace modules after 50,000 high-load cycles. Clean dust from heat sinks annually using dry air. For hot-swap, disable associated outputs in PLC logic first.
