GRT8-BT A220C Temperature Controller | Thermostat | HVAC Module | GRT8 Series

GRT8-BT

A220C

PLC Relay Module

GRT8-BT A220C

GRT8-BT A220C PLC Relay Module enables wireless Bluetooth configuration for industrial automation systems, providing reliable signal switching and seamless integration with PLC controls in compact applications.

Specification

SEODescription

The GRT8-BT A220C PLC Relay Module is a versatile industrial control component designed for automation systems, featuring 8 digital inputs and 8 relay outputs for direct device interfacing. It supports seamless integration with PLC systems through modular expansion slots, allowing cascading connections with up to 4 additional modules. Equipped with RS-485 and Bluetooth 5.0 interfaces, it enables both wired and wireless communication for remote monitoring in applications like manufacturing lines or energy management. Operating within 12-24V DC and -20°C to +60°C ranges, this DIN-rail mounted module excels in harsh environments. Its compact design simplifies installation, though limited analog I/O and protocol compatibility may require supplementary modules for complex setups. The GRT8-BT A220C optimizes reliability in process control scenarios while maintaining cost-efficiency.

SEOSpecification

Parameter	Specification
Model	GRT8-BT A220C
Type	PLC Relay Module
Input Voltage	24V DC ±10%
Contact Configuration	2 Form C (DPDT)
Contact Rating	5A @ 250V AC/30V DC
Insulation Resistance	100MΩ min (500V DC)
Operate Time	≤15ms
Release Time	≤10ms
Dielectric Strength	2,500V AC (50/60Hz, 1min)
Mounting	DIN Rail (35mm)
Terminal Type	Screw Clamp
Certification	UL, CE, RoHS

SEOQandA

question:If a refurbished product malfunctions during use, how will after-sales handle it?
answer:We will replace or refund the product and investigate the issue, adhering strictly to warranty policies.
question:Why can other suppliers source discontinued models you can’t provide?
answer:Supply chains vary; others may have stock or channels we avoid to ensure authenticity and quality.
question:Can I self-schedule official courier pickup for my order?
answer:Yes, contact our support for guidance on arranging official courier pickup.

SEOQandA_Product

question:Why won't GRT8-BT A220C connect to Bluetooth?
answer:Ensure device is in pairing mode, Bluetooth is enabled on the host device, and within 10m range without obstructions.
question:GRT8-BT A220C not charging properly. How to fix?
answer:Check charging cable/port for damage, use a 5V/1A power source, and clean debris from the charging contacts.
question:Audio cuts out intermittently on GRT8-BT A220C. Solution?
answer:Reduce distance from paired device, avoid WiFi/microwave interference, and ensure firmware is updated to latest version.
question:How to reset GRT8-BT A220C to factory settings?
answer:Press and hold power + volume-up buttons for 10 seconds until LED flashes red-blue three times.
question:GRT8-BT A220C won't power on. What to check?
answer:Verify battery is charged, try hard reset with charging cable connected, and inspect power button for physical damage.