NG # 00920-HW-HNWEL-040
The backbone of Alerton’s Ascent product line, the ACM is the industry’s most agile controller in its class. It combines Alerton’s pioneering and proven BACnet prowess with Tridium’s® Niagara Framework® flexibility.
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Get A QuoteThe backbone of Alerton’s BACtalk™ Ascent product line, the Ascent Control Module (ACM) is one of the most agile BACnet Building Controller (B-BC) in its class. It combines Alerton’s pioneering and proven BACnet® capability with Tridium’s® Niagara Framework® flexibility.
| Feature / Category | Specification |
| Manufacturer / Brand | Honeywell / Alerton (Ascent™ Series) |
| Model / Base Part Number | ACM (ACM-000-000-000-000-00-00-00) |
| BACnet Profile | BACnet Building Controller (B-BC) |
| Processor & Hardware Core | Quad-Core ARM Cortex-A9 processor (Freescale i.MX6Quad) |
| System Memory | 1 GB DDR3 SDRAM (64-bit @ 533 MHz) |
| Storage & Licensing | MicroSD card slots (system configurations, licensing, and database backup) |
| Operating Voltage | 20–30 VAC at 40 VA, 47–63 Hz, full-wave rectified |
| Battery Backup Options | Optional external 12V NiMH battery (ACM-BATT) for orderly shutdown |
| Ethernet Interfaces | 2x Gigabit Ethernet (10/100/1000Base-T) supporting BACnet/IP, BACnet/Ethernet, and Modbus TCP |
| Onboard Serial Ports | 2x isolated EIA-485 (RS-485) trunks |
| Option Card Expansion Slots | 2x open slots for expansion cards (supporting up to 4 additional EIA-485 ports, EIA-232, LON, or TUX trunks) |
| Maximum RS-485 Capacity | Up to 6x EIA-485 MS/TP trunks (supporting up to 64 devices per MS/TP trunk) |
| Onboard I/O Count | 2 Universal Inputs (10k thermistor, 0-10VDC, 0-20mA, 1000Ω Pt RTD, dry contact) + 2 Binary Inputs |
| Supported Communication Protocols | BACnet/IP, BACnet/Ethernet, BACnet MS/TP, Modbus RTU/TCP, LONWORKS®, Alerton TUX, Alerton AXM/EXP, SNMP |
| Enclosure & Mounting | 35 mm DIN-rail mount (vertical or horizontal orientation) |
| Physical Dimensions | 7.28 in W × 8.66 in H × 1.73 in D (185 mm W × 220 mm H × 44 mm D) |
| Operating Temperature / Humidity | -4 °F to 149 °F (-20 °C to 65 °C); 0% to 95% RH non-condensing |
| Compliance & Listings | BTL Listed (B-BC), UL 916, CE (EN 60730-1), FCC Part 15 Class B, RoHS |
Ascent Control Module (ACM) Data Sheet
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