Description
Product Description
The Honeywell 2MLL‑C42A is a high-density relay output module designed for the MasterLogic‑200 PLC series. This module delivers precise control over discrete devices including solenoids, contactors, and indicator lamps, making it ideal for compact automation setups.
Technical Specifications
| Specification |
Details |
| Channels |
42 Relay Outputs |
| Output Type |
Configurable NO/NC Relay Contacts |
| Output Voltage |
24 VDC / 120 VAC (dependent on connected load) |
| Maximum Output Current |
2 A per channel |
| Communication Interface |
Serial RS-422, 2 channels |
| Data Rate |
Up to 100 Mbps |
| Operating Voltage |
24 VDC |
| Power Consumption |
≤ 5 W |
| Dimensions |
172 × 120 × 114 mm (relay module), 100 × 70 × 25 mm (communication module) |
| Weight |
0.55 kg |
| Operating Temperature |
-20°C to +60°C (relay), -20°C to +70°C (communication) |
| Storage Temperature |
-40°C to +85°C |
| Humidity |
5%–95% non-condensing |
Key Features
-
High-density relay outputs: 42 channels in one module for space-efficient rack installation
-
Configurable output contacts: Supports both normally open (NO) and normally closed (NC) connections
-
Dual functionality: Relay switching for external loads plus serial communication interface for PLC integration
-
Industrial-grade reliability: Certified to CE, UL, CSA, and TUV standards
-
Compact design: Easy integration into MasterLogic‑200 PLC systems
Applications
-
Control of solenoids, relays, and contactors in automated manufacturing
-
Driving indicator lamps or signaling devices in industrial panels
-
Integration with Honeywell DCS/PLC systems for discrete process control
FAQ
Q: Can this module handle both AC and DC loads?
A: Yes, output voltage is configurable for 24 VDC or 120 VAC depending on the connected load.
Q: Is the communication interface separate?
A: Yes, the module includes a serial RS-422 interface with two channels, supporting data rates up to 100 Mbps.
Q: Are there alternative Honeywell modules for smaller channel counts?
A: Yes, the MasterLogic‑200 series includes models such as 2MLL-C16A (16-channel relay) for applications requiring fewer outputs.
