Datalogger & VBus^®-Accessories

Alarm module AM1

The Alarm module AM1 is designed to signal system failures. It is to be connected to the VBus^® of the controller and issues an optical signal via the red LED if a failure has occurred. The AM1 also has a dry contact relay output, which can e. g. be connected to a building management system (BMS). Thus, a collective error message can be issued in the case of a system failure. Depending on the controller and the sensors connected, different fault conditions can be signalled, e. g. sensor failures, excess or negative system pressure as well as errors in the flow rate, such as a dry run of the pump.
The Alarm module AM1 ensures that occurring failures can be immediately recognised and repaired, even if the system and the controller are difficult to access or located in a remote place. Thus, the reliability and the stable yield of the system are ensured.

Technical data
Outputs: 1 dry contact relay
Switching capacities: max. 30 V (DC), 1A; 125 V~ (AC), 0,5 A
Power supply: RESOL VBus^®
Interfaces: RESOL VBus^®
Housing: Plastic (PC 2207 UV); base part: Karilen E 42 D - H201
Installation: Wall mounting
Display: 1 LED
Protection type: IP 54
Ambient temperature: -13 ... +158 °F
Dimensions: 111 x 68 x 40 mm
Protection type: IP 54

The number of VBus^® accessories that can be connected to one controller depends on the sum of their current consumption and on the current supply of the controller VBus^®.
Device	Maximum current consumption
VBus^®/PWM interface adapter	6,5 mA
VBus^®/USB interface adapter	6,5 mA
VBus^®/LAN interface adapter	6,5 mA
Datalogger DL2	1,5 mA
Datalogger DL3	VBus® 1-5: 10 mA VBus® 6: 0.5 mA
Smart Display SD3	17,5 mA
GA3 Large Display	1 mA
AM1 alarm module	16,5 mA
HKM3	1 mA
EM	1 mA
STA-W	12 mA