Bus signals
Connect 485A and 485B to the RS-485 device; protocol and communication settings must match.
MANTHINK / KC21
Product image · Configuration depends on the ordered model
Product image · Configuration depends on the ordered modelRECONNECT / EdgeBus data collectors
KC21IP65 RS-485 collector
Bring distributed wired devices onto one network.
A protected wall-mounted enclosure with battery or external-power versions. EdgeBus handles protocols and data for distributed RS-485 devices.
- Physical interface
- RS-485
- Power options
- 10800 mAh battery / DC 5–24 V
- Mounting
- Wall mount
- Ingress protection
- IP65
01 / SPECIFICATIONS
Check every specification that matters.
Start with interfaces, power and installation conditions.
Read the full technical manual| Physical interface | RS-485 |
|---|---|
| Power options | 10800 mAh battery / DC 5–24 V |
| Mounting | Wall mount |
| Ingress protection | IP65 |
| Flying leads | VCC、GND、485A、485B |
| Programmability | EdgeBus |
| Operating temperature | −40～85 ℃ |
| Dimensions | 120 × 72 × 28 mm |
Source: KC21 Official manual · Reviewed 2026-09-25. Confirm options, regional frequency bands and full model codes before ordering.
02 / CONNECTION
Match the interface.
Then connect the equipment.
Match physical interfaces and application protocols separately.
VCC / GND
On the battery version, these connections supply external equipment; on the DC version, they power KC21. Do not interchange the wiring.
For terminal positions, wire assignments and installation, follow the official wiring instructions .
03 / CONFIGURATION
Choose a configuration
that fits your site.
01Battery and continuous-DC models are different versions; interfaces and power direction vary.
02Assess device count and power load against the sampling interval and site conditions.
Refer to the corresponding official documentation and confirmed configuration for exact models, interfaces and options.
THE NEXT CONNECTION / APPLICATIONS START HERE
Once your devices are connected,
let ThinkLink take it from there.
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