HR4137
Product Number：HR4137HR4137 is a SECS Protocol Gateway that supports RS-232 / RS-485 communication and is designed for use with HR4138 / HR4138S CID Read/Write Controllers, enabling communication and integration between the controller and multiple RFID devices.
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Power Supply: DC 10 ~ 24V (±10%); average 60mA, peak 160mA at 12VDC
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Environment: Operating temperature -10 ~ +70°C; operating humidity 10 ~ 85% RH (non-freezing, non-condensing)
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Communication: RS-232C / RS-485; 4800 / 9600 / 19200 / 28800 bps (default 9600 bps); SEMI/SECS Protocol
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Construction: Dimensions 147 × 108.2 × 32 mm; weight 450g; secured with two M4 screws; compatible with AT4104 rod antenna or AT4105 rectangular antenna
General Specifications
| Characteristic | Specification | Comment |
| Supply Voltage Range | DC 10 ~ 24V (+/-10%) | Supplied from the power terminals |
| Current consumption @12VDC | Average 60mA ; Peak 160mA | Approx. 2A max, with rush current |
| Operating ambient temperature | -10 ~ +70°C | No freezing |
| Operating ambient humidity | 10 ~ 85% RH | No dew condensation |
| Storage ambient temperature | -20 ~ +85°C | No freezing |
| Storage ambient humidity | 5 ~ 95% RH | No dew condensation |
| Communication interface | RS-232C or RS-485 | 9600 bps (Default), N.8.1 (fixed) |
| Weight | 450g MAX. | No freezing |
| Dimensions | 147 × 108.2 × 32 mm | Except for protrusions on connectors |
| Mounting system | Secured with two M4 screws | Use the enclosed washers |
Communication Interface Specification
| Characteristic | Specifications |
| Connector specification | RJ45 connector plug |
| Communication standard | RS-232C or RS-485 only for used HR4137 Gate Controller |
| Synchronization | Asynchronous mode, start-stop synchronization |
| Communications control standard | SEMI/SECS protocol for HR4138-B1 CID Read/Write controller |
| Baud rate | 4800, 9600, 19200, 28800 bps (Default 9600) |
| Character format (fixed) | 1 Start bit / 8 Data bits / None Parity bit / 1 Stop bit |
| Error control | FCS (Frame Check Sequence) |
| Total cable length | RS-232C: 15 meters maximum. RS-485: From HR4137 to the last HR4138-B1, 1000 meters maximum. |
