Honeywell 51156510-100 Automation Interface Module
$209.00
$450.00
Description
The Honeywell 51156510-100, also cataloged as the 51156510 Automation Interface Module, operates as a dedicated hardware component for regulated 24 VDC field power distribution and RS-485 Modbus RTU communication. The module provides half-duplex differential serial communication while supplying connected low-power field devices from the same interface.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51156510-100 |
| Base Model | 51156510 |
| Brand | Honeywell |
| Product Type | Automation Interface Module |
| Communication Interface | RS-485, half-duplex |
| Communication Protocol | Modbus RTU |
| Network Capacity | Up to 128 addressable field devices |
| Input Supply Voltage | 24 VDC nominal |
| Module Current Consumption | Approx. 100 mA, excluding field load |
| Field Power Output | 24 VDC regulated distribution |
| Electrical Isolation | Logic-level isolation between power and communication circuits |
| Operating Temp | -20 to +60 deg C |
| Storage Temp | -40 to +85 deg C |
| Relative Humidity | 0-95% non-condensing |
| Dimensions | 5.0 x 5.0 x 0.5 in (12.7 x 12.7 x 1.27 cm) |
| Weight | 0.49 lb |
| Mounting | Panel or DIN-rail mounting |
| Power Consumption | Approx. 100 mA module current at 24 VDC, excluding field load |
RS-485 and Modbus RTU Interface
The 51156510-100 uses differential RS-485 signaling for half-duplex serial communication. The interface supports Modbus RTU device aggregation and multi-drop field networks with up to 128 addressable devices according to the supplied data.
Logic-level isolation is specified between the power and communication circuits. Field wiring should maintain the RS-485 differential pair as a controlled communication circuit and separate it from high-current or high-noise conductors where practical.
24 VDC Power Distribution
The module accepts a nominal 24 VDC input and provides regulated 24 VDC distribution to connected low-power field devices. The stated module current consumption is approximately 100 mA and excludes the external field load.
Total connected-device demand must therefore be evaluated separately from the module's own current consumption. Power wiring should be sized according to the aggregate field load and the applicable cabinet power-distribution design.
Frequently Asked Questions
Q: What communication interface does the 51156510-100 provide?
A: It provides an RS-485 half-duplex interface using the Modbus RTU protocol.
Q: Does the stated 100 mA current include connected field devices?
A: No. The approximately 100 mA figure applies to the module itself and excludes the field load supplied through the 24 VDC distribution.
Q: Can the module be installed on a DIN rail?
A: The supplied mechanical data identifies the enclosure as suitable for panel or DIN-rail mounting.
Field Installation Guidelines
Install the module on a mechanically secure panel or DIN-rail position with sufficient clearance for terminal access and cable routing.
Use correctly sized 24 VDC supply conductors and verify polarity before energization. Calculate the connected field-device load separately from the module current consumption.
Route RS-485 communication wiring away from high-current switching conductors where practical. Maintain consistent differential-pair routing and terminate or bias the network according to the requirements of the connected Modbus RTU devices.
Where shielded communication cable is used, apply the control-panel grounding method specified by the system design. Avoid creating unintended ground-current paths through the communication shield.
Verify the Modbus device addresses and communication parameters before connecting the complete multi-drop network. Confirm isolation, supply voltage, and field-load requirements before placing the module into continuous operation.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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