16 matching models · 219 in the catalog
Showing 1–4 of 16 How to choose within a series How to choose within a series Match device-side protocols and the host system first, then check ports, wireless connections and capacity. Candidates below use confirmed model specifications.
Current model group HMI2004 Acquisition Physical ports 4G and wireless Capacity
You need multiple serial and Ethernet protocols Check models confirmed to cover all acquisition protocols for serial and Ethernet connections. Check protocol scope and physical port counts separately. Confirm dedicated CAN, KNX TP and 2-wire MBus connections for the specific model.
Confirmed candidates 9 models
HMI2004-A9 ↗ All serial and Ethernet acquisition protocols
Forwarding: Database
HMI2004-A9-4G ↗ All serial and Ethernet acquisition protocols
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
HMI2004-A9-4G(Custom) ↗ All serial and Ethernet acquisition protocols
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
Show 5 more models HMI2004-A9-WiFi ↗ All serial and Ethernet acquisition protocols
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
HMI2004-A9(OPC) ↗ All serial and Ethernet acquisition protocols
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
HMI2004-ARM ↗ All serial and Ethernet acquisition protocols
Forwarding: Database
HMI2004-ARM-4G ↗ All serial and Ethernet acquisition protocols
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
HMI2004-ARM-E ↗ All serial and Ethernet acquisition protocols
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
8 of 9 models listed; continue filtering and checking full specifications.
View full group specifications ↗ The device protocol is fixed Check each model’s listed acquisition protocols and the required host-system protocol. A model suffix alone does not establish equivalent acquisition capability.
Confirmed candidates 3 models
HMI2004-BMS(RK3568) ↗ Listed acquisition protocols: GB/T 28181 / RTSP
Forwarding: BACnet / Modbus / MQTT / OPC UA
HMI2004-Lite-E ↗ Listed acquisition protocols: Modbus RTU / Modbus TCP
Forwarding: BACnet / Modbus / MQTT / OPC UA
HMI2004-Scada(RK3568) ↗ Listed acquisition protocols: OPC UA / OPC XML-DA / OPC DA / BACnet/IP / Modbus TCP / Siemens S7 / EtherNet/IP / SNMP
Forwarding: BACnet / Modbus / MQTT / Database / OPC UA
View full group specifications ↗ Acquisition scope needs confirmation These models have no listed acquisition scope suitable for this decision. Check their model notes and provide device make, model and protocol documentation.
Models to verify 4 models
Show 1 more models View full group specifications ↗ This guidance narrows the candidates. Confirm communication roles, read/write direction, the point list, wiring and model-specific resources before final selection.
“Unconfirmed” means documentation does not establish a value; it does not mean zero or unsupported.
Compare models in a series Model Device acquisition → System forwarding 01 Acquisition scopeDevice side All acquisition protocols for serial and Ethernet connections
All acquisition protocols for serial and Ethernet connections
All acquisition protocols for serial and Ethernet connections
All acquisition protocols for serial and Ethernet connections
02 Forwarding protocolsSystem side BACnet Modbus MQTT Database
Show 1 more OPC UA
BACnet Modbus MQTT Database
Show 1 more OPC UA
BACnet Modbus MQTT Database
Show 1 more OPC UA
Point capacity — 2048 4096 2048 Device capacity — 128 128 128 Ethernet ports — 2 2 2 Total serial ports — 4 4 4 RS485 — 4 4 4 RS232 — — — — CAN ports — — — — KNX TP ports — — — — Two-wire MBus ports — — — — DI channels — — — — DO channels — — — — AI channels — — — — AO channels — — — — Touchscreen — — — — Model documents Port and model notes Multiple hardware versions share this model name. Check the matching datasheet; specifications from different versions have not been combined.
Specifications & downloads ↗ Port and model notes More than 500 protocols.
Specifications & downloads ↗ Port and model notes More than 500 protocols.
Specifications & downloads ↗ Port and model notes More than 500 protocols.
Specifications & downloads ↗
01 Acquisition scopeDevice side All acquisition protocols for serial and Ethernet connections
02 Forwarding protocolsSystem side
Point capacity —
Device capacity —
Ethernet ports —
Total serial ports —
RS485 —
RS232 —
CAN ports —
KNX TP ports —
Two-wire MBus ports —
DI channels —
DO channels —
AI channels —
AO channels —
Touchscreen — Port and model notes Multiple hardware versions share this model name. Check the matching datasheet; specifications from different versions have not been combined.
Specifications & downloads↗ 01 Acquisition scopeDevice side All acquisition protocols for serial and Ethernet connections
02 Forwarding protocolsSystem side BACnet Modbus MQTT Database
Show 1 more OPC UA
Point capacity 2048
Device capacity 128
Ethernet ports 2
Total serial ports 4
RS485 4
RS232 —
CAN ports —
KNX TP ports —
Two-wire MBus ports —
DI channels —
DO channels —
AI channels —
AO channels —
Touchscreen — Port and model notes More than 500 protocols.
Specifications & downloads↗ 01 Acquisition scopeDevice side All acquisition protocols for serial and Ethernet connections
02 Forwarding protocolsSystem side BACnet Modbus MQTT Database
Show 1 more OPC UA
Point capacity 4096
Device capacity 128
Ethernet ports 2
Total serial ports 4
RS485 4
RS232 —
CAN ports —
KNX TP ports —
Two-wire MBus ports —
DI channels —
DO channels —
AI channels —
AO channels —
Touchscreen — Port and model notes More than 500 protocols.
Specifications & downloads↗ 01 Acquisition scopeDevice side All acquisition protocols for serial and Ethernet connections
02 Forwarding protocolsSystem side BACnet Modbus MQTT Database
Show 1 more OPC UA
Point capacity 2048
Device capacity 128
Ethernet ports 2
Total serial ports 4
RS485 4
RS232 —
CAN ports —
KNX TP ports —
Two-wire MBus ports —
DI channels —
DO channels —
AI channels —
AO channels —
Touchscreen — Port and model notes More than 500 protocols.
Specifications & downloads↗ 
