{"product_id":"panasonic-aquarea-modbus-interface-intesis-hydro-unit-gateway","title":"Panasonic Aquarea Modbus Interface — Intesis Hydro Unit Gateway","description":"\u003c!-- SEO Product Name: Panasonic Aquarea Modbus Interface — Intesis Hydro Unit Gateway (PAW-AW-MBS-H) --\u003e\n\u003cdiv style=\"font-size:16px;font-family:Arial,Helvetica,sans-serif;color:#222;max-width:900px;margin:0 auto;line-height:1.55;\"\u003e\n\u003cp style=\"margin:0 0 14px 0;\"\u003eThe \u003cstrong\u003ePanasonic PAW-AW-MBS-H\u003c\/strong\u003e (built by Intesis, also known as PA-AW2-MBS-1 \/ INMBSPAN001A000) is the Modbus RTU gateway for Panasonic Aquarea \u003cstrong\u003eH Generation Hydro units\u003c\/strong\u003e, giving full bi-directional integration into Modbus RTU (EIA-485) building management networks. It connects directly to the Hydro unit and exposes the system's operating parameters — modes, setpoints, zone control, real-time status — to any Modbus-compatible BMS, SCADA, PLC or third-party controller.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eModbus RTU\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eProtocol\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eEIA-485\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003ePhysical layer\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eH Generation\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eCompatible\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003e93×53×58mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eDimensions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eNo External Power\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003eRequirement\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px;min-width:120px;background:#008377CF;color:#fff;padding:14px 10px;text-align:center;border-radius:6px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:700;line-height:1.1;\"\u003eUp to 63 Devices\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px;margin-top:4px;opacity:0.95;letter-spacing:0.3px;text-transform:uppercase;\"\u003ePer network\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F3F1;border-left:4px solid #008377;padding:14px 16px;margin:16px 0;border-radius:0 4px 4px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:4px;\"\u003eModbus vs Aquarea Smart Cloud — what's the difference?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAquarea Smart Cloud\u003c\/strong\u003e (CZ-TAW1C\/CZ-TAW2) is the consumer and installer-facing app platform for a single property. \u003cstrong\u003eModbus (PAW-AW-MBS-H)\u003c\/strong\u003e is the open-standard interface used where a third-party BMS, SCADA system or bespoke controller needs structured data access — typically for commercial buildings, multi-dwelling projects, or integration with an existing building automation system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E0;border-left:4px solid #C89200;padding:14px 16px;margin:16px 0;border-radius:0 4px 4px 0;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#C89200;margin-bottom:4px;\"\u003eOne Hydro unit per interface\u003c\/div\u003e\n\u003cdiv\u003eEach PAW-AW-MBS-H connects to \u003cstrong\u003ea single Hydro unit\u003c\/strong\u003e — for multi-unit installations, fit one interface per Hydro unit. Up to \u003cstrong\u003e63 PAW-AW-MBS-H devices\u003c\/strong\u003e can share the same Modbus RTU network.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:10px;margin:14px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eFull bi-directional control and monitoring\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eRead real-time operating status and internal variables from the Hydro unit, and write control commands back — total supervision from the BMS or Modbus master device.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eCompact, flexible mounting\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eAt just \u003cstrong\u003e93 × 53 × 58 mm\u003c\/strong\u003e, the interface mounts on DIN rail, on a wall, or even inside the Hydro unit cabinet itself — fits neatly into most plant room layouts.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eNo external power required\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003ePowered directly from the Hydro unit connection — no separate power supply or additional wiring run needed for the interface itself.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eUp to two-zone support\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eWhere the Hydro unit is configured for two independent heating zones, the interface exposes separate setpoint and status registers for each zone.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eDual configuration methods\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eConfigure via on-board DIP switches for straightforward setups, or read and write configuration values directly over Modbus for more advanced integration.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px;min-width:240px;background:#fff;border:1px solid #E5E7EB;border-top:3px solid #008377CF;padding:14px 16px;border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;margin-bottom:6px;\"\u003eSimultaneous remote controller operation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px;\"\u003eThe Hydro unit's own remote controller continues to function alongside the Modbus interface — BMS integration doesn't lock out the standard on-site controls.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"border-collapse:collapse;width:100%;font-size:14.5px;margin:8px 0;\"\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eModel code (Panasonic reference)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003ePAW-AW-MBS-H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eManufacturer reference\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eIntesis PA-AW2-MBS-1 \/ INMBSPAN001A000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eModbus RTU gateway for Panasonic Aquarea H Generation Hydro units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eProtocol\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eModbus RTU (slave device)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003ePhysical layer\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eEIA-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003ePanasonic Aquarea H Generation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003e93 × 53 × 58 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eDIN rail, wall-mounted, or inside the Hydro unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003ePower supply\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eNot required — powered from the Hydro unit connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eHydro units per interface\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eMaximum devices per Modbus network\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003e63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eBus topology\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eDaisy-chain only — no loop or star topologies; 120Ω terminator resistor required at each end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eMaximum bus length\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003e1,200 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eConfiguration methods\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eOn-board DIP switches, or read\/write via Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FAFA;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eZone support\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eUp to 2 zones, where configured on the Hydro unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;font-weight:600;width:42%;\"\u003eIncluded connection cable\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #E5E7EB;\"\u003eYes — cable and connectors for direct connection to the Aquarea Hydro unit, plus a 2-pole plug-in terminal block for the Modbus RTU network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul style=\"padding-left:22px;margin:8px 0;\"\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003e1 × Panasonic PAW-AW-MBS-H (Intesis) Modbus interface\u003c\/li\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003eConnection cable and connectors for the Aquarea Hydro unit\u003c\/li\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003e2-pole plug-in terminal block for the Modbus RTU (EIA-485) network\u003c\/li\u003e\n\u003cli style=\"margin-bottom:5px;\"\u003eManufacturer installation and Modbus register documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#008377;font-size:18px;margin:24px 0 10px 0;padding-bottom:6px;border-bottom:2px solid #008377CF;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eWhich Aquarea generation is this compatible with?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eThe PAW-AW-MBS-H is specified for \u003cstrong\u003eH Generation\u003c\/strong\u003e Aquarea Hydro units. A separate interface (PAW-AW-MBS-1, without the H Generation compatibility) exists for other Aquarea platforms — confirm your specific Hydro unit generation before ordering.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eCan I use both the remote controller and Modbus at the same time?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eYes — the interface allows \u003cstrong\u003esimultaneous use\u003c\/strong\u003e of the Hydro unit's own remote controller and Modbus RTU control. BMS integration doesn't disable the standard on-site controls.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eHow many Hydro units can one interface control?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eEach PAW-AW-MBS-H connects to \u003cstrong\u003eone Hydro unit only\u003c\/strong\u003e. For multiple Hydro units on the same site, fit one interface per unit — up to 63 interfaces can share the same Modbus RTU network.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eDoes this need its own power supply?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eNo — the interface draws power directly from its connection to the \u003cstrong\u003eHydro unit\u003c\/strong\u003e, so no separate power supply or additional electrical run is needed.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eWhere can I mount the interface?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eIt's designed for flexible mounting — \u003cstrong\u003eDIN rail, wall-mounted, or inside the Hydro unit cabinet\u003c\/strong\u003e itself — whichever suits your plant room layout best.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #E5E7EB;border-radius:4px;margin:8px 0;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;background:#008377CF;color:#fff;padding:10px 14px;font-weight:600;list-style:none;\"\u003eDo I need a terminator resistor on the Modbus network?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px;background:#FFFFFF;\"\u003eYes — a \u003cstrong\u003e120Ω terminator resistor\u003c\/strong\u003e must be fitted at each end of the Modbus RTU bus to prevent signal reflections. The bus must be wired in a daisy-chain configuration; loop and star topologies are not supported.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Panasonic","offers":[{"title":"Default Title","offer_id":65714939003229,"sku":"PAW-AW-MBS-H","price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/PanasonicModbusinterfaceIntesishydrounitPAW-AW-MBS-H.jpg?v=1787853245","url":"https:\/\/qualityheating.co.uk\/products\/panasonic-aquarea-modbus-interface-intesis-hydro-unit-gateway","provider":"AIZO Quality Heating","version":"1.0","type":"link"}