Johnson controls sa bus wiring The majority of NS Series Network Zone Sensors monitor room temperature; however, options are available to also monitor zone humidity, carbon dioxide (CO2), local temperature setpoint adjustments, and other variables. View and Download Johnson Controls IOM2721 installation manual online. Use proper electrostatic discharge precautions during installation, setup, and servicing to avoid damaging the controller. Termination diagrams A set of Johnson Controls termination diagrams provides details for wiring inputs and outputs to the controllers. Once connected, the economizer controller receives power and communication from the UCB. You can connect a maximum of five SA bus devices to each FS RS-485 bus. When connecting an SA Bus device to the controller, wire the SA Bus terminal block on the controller and other SA Bus devices in a daisy-chain configuration using 4-wire twisted, shielded cabl Product Bulletin The flush-mounted NSA7000 series network sensor with LCD is an electronic room sensor designed to function directly with Johnson Controls® BACnet® MS/TP digital controllers in heating, ventilating and air conditioning (HVAC) systems. Nov 8, 2023 · SA-Bus wiring diagram Table 1. (102 or 203 mm) temperature probe. The sensor transmits this data to a controller on the Sensor/Actuator (SA) bus. Also for: F4-snc. Important: Refer to the N2 Modernization G Dec 11, 2024 · The SA Bus port on the front of the controller is an RJ-12, 6-position modular jack that provides a connection for the MAP Gateway, the VAV Balancing Tool, specified network sensors, or other SA Bus devices with RJ-12 plugs. Applications The NS Series Network Discharge Air Sensors are electronic duct sensors designed to function directly with Johnson Controls® digital controllers in HVAC systems. At Johnson Controls, our building automation Metasys® FECs (field equipment controllers) feature 32-bit microprocessors, patented continuous tuning adaptive control, peer-to-peer communications, and an optional built-in LCD screen user interface. Oct 22, 2025 · Figure 1 shows an SMK-MOVKIT-BRD wiring example when the SA Bus communication wiring terminates at the MS/TP SA Bus terminal block. IOM2721 i/o systems pdf manual download. Mar 22, 2019 · Table 1 provides information about the functions, ratings, and requirements for the communication bus and supply power terminals; and guidelines for wire sizes, cable types, and cable lengths when wiring the controller's communication buses and supply power. An MS/TP bus is used for two types of buses: a Field Controller bus (FC) and a Sensor Actuator (SA) bus (Figure 1). All FC and SA Bus cables, regardless of wire size, should be twisted, insulated, stranded copper wire. See the figures in this section for the applicable termination diagrams. Apr 5, 2022 · The SA Bus terminal block is an orange, removable, 4-pin terminal block with +15 VDC that fits into a board-mounted pin header. Important: Electrostatic discharge can damage controller components. See Terminal wiring guidelines, functions, ratings, and requirements for more information about communication bus Nov 28, 2022 · Table 1 provides information about the functions, ratings, and requirements for the communication bus and supply power terminals. MS/TP communications buses follow different protocol and wiring rules from N2 communications buses, and MS/TP devices and N2 devices are not compatible on the same bus. For building automation professionals. Oct 2, 2023 · A set of Johnson Controls termination diagrams provides details for wiring inputs and outputs to the controllers. The CCM controller is the End-of-Line (EOL) for the SA Bus. Models in this series monitor the zone temperature and humidity, and transmit this data to a field controller on the Sensor Actuator (SA) bus. The M4-XPM series expansion I/O modules can serve in one of two capacities depending on where they are installed in the Metasys system. In no event will the manufacturer be responsible to the purchaser or user in contract, in tort (including negligence), strict liability, or otherwise for any special, indirect, incidental, or consequential damage or loss whatsoever, including but not limited to damage or loss of use of equipment, plant or power system, cost of capital, loss of power, additional expenses in the use of existing Mar 26, 2021 · The 10 ft (305 cm) wiring lead consists of four 22 AWG (0. Feb 16, 2024 · Run all low-voltage wiring and cables separate from high-voltage wiring. Oct 18, 2019 · In addition to the guidelines in Table 1, observe these guidelines when wiring the SA/FC Buses and supply power: Run all low-voltage wiring and cables separate from high-voltage wiring. FAC3611 controller pdf manual download. Technical guide for MS/TP Communications Bus: configuration, wiring, troubleshooting, FC Bus, SA Bus, Remote Field Bus, BACnet. When installed on the Sensor/Actuator (SA) Bus of an equipment controller, an XPM expands the input and output interfaces that can be used with that equipment controller. For detailed information about configuring and wiring an FC bus or an SA bus, refer to the MS/TP Communications Bus Technical Bulletin (LIT-12011034). 6 mm) trade sizecolor-coded wires encased in a plenum-rated jacket. Most problems are related to wiring, addressing, or both wiring and Field Controller SA Bus and FC Bus Terminal Block (SE-ZEC 510 Controller only) The FC Bus terminal block is a blue, removable, 4-terminal plug that is keyed to only fit in to the board-mounted, gray FC Bus jack. Dec 11, 2024 · When connecting an SA Bus device to the controller, wire the SA Bus terminal block on the controller and other SA bus devices in a daisy-chain configuration using 4-wire twisted, shielded cable as shown in Figure 1. When installed on the Field Controller (FC) Bus of a Metasys network engine, an XPM can For detailed information about configuring and wiring an MS/TP Bus, FC bus, and SA bus, refer to the FX-PC Series Controllers MS/TP Communications Bus Technical Bulletin (LIT-12011670). For detailed information about wiring an N2 network, refer to the N2 Communications Bus Technical Bulletin (LIT-636018). Viewing the SA bus sensor address and the firmware version Press the Menu icon once to view the SA bus sensor address. The SA bus wiring recommendations are for MS/TP Bus communications at 38. For more information, refer to the MS/TP Communications Bus Technical Bulletin (LIT-12011034). When contacting the supplier for a replacement please state the type/model number of the control located on the data plate or cover label. When the CCM is configured for N2 network communication, you must download and commission the c The economizer controller communicates via standard SA bus to the main controller of the RTU, the UCB. BACnet client configuration limitations Device and points limitation In V3. These models are limited to NS8000 and NSA7000. The table also provides guidelines for wire sizes, cable types, and cable lengths for when you wire the controller's communication buses and supply power. The NS Series Network Discharge Air Sensors are available with either a 4- or 8-in. Shielded cable is strongly recommended for all FC and SA Bus cables. See Table 3 for setting the SA bus sensor address Press the Menu icon a second time to view the firmware version. Each of the wires is stripped and tinned for easy connection to the SA Bus screw terminal block. REPAIR AND REPLACEMENT Do not attempt to repair the EIO-NSA-7000 sensor. You can use MSTP devices and SA Bus devices on the same bus. The FC bus and SA bus wiring recommendations in this table are for MS/TP Bus communications at 38. The SA Bus port on the controller is an RJ-12, 6-position modular jack that provides a connection for the Bluetooth® Commissioning Converter (BTCVT), the VAV Balancing Tool, specified network sensors, or other SA Bus devices with RJ-12 plugs. View and Download Johnson Controls FAC3611 installation manual online. For detailed information about configuring and wiring an MS/TP Bus, FC Bus, and SA Bus, refer to the MS/TP Communications Bus Technical Bulletin (LIT-12011034). In case of improperly functioning control, contact the nearest Johnson Controls® representative, and specify the desired product code number. All SA and FC bus cables, regardless of wire size, should be twisted, insulated, stranded copper wire. The Sensor SA Bus port on the Sensor top left Port side of the controller Figure 7 is an RJ-12, 6-position modular provides a connection for the The Bluetooth Commissioning Bus) port on the Converter, Wires from Sensor (SA top left side of the the VAV controller Balancing Tool, specified Johnson Controls sensors, or other SA Bus devices (Figure The NS Series Network Sensors monitor zone temperature, relative humidity, carbon dioxide (CO2), motion, and local temperature setpoint adjustments. Mar 22, 2019 · In addition to the guidelines in Table 1, observe these guidelines when wiring an SA or FC bus and the 24 VAC supply power: Run all low-voltage wiring and cables separate from high-voltage wiring. Oct 23, 2025 · The SA Bus terminal block is an orange, removable, 4-pin terminal block with +15 VDC that fits into a board-mounted pin header. In addition, observe th Several factors influence the behavior of the MS/TP communication buses: System Bus (FC Bus), Zone Bus, (CS Bus), and Sensor Bus (SA Bus). For information on configuring and wiring a BACnet/SC or BACnet/IP network, refer to the Metasys IP Networks for BACnet/IP Controllers Technical Bulletin (LIT-12012458). For more information, refer to the MS/TP Communications BusTechnical Bulletin (LIT-12011034). provides information about the functions, ratings, and requirements for the communication bus and supply power terminals; and guidelines for wire sizes, cable types, and cable lengths when wiring the controller's communication buses and 24 VAC supply power. . The table also provides guidelines for wire sizes, cable types, and cable lengths for wiring the controller's communication buses and supply power. Oct 20, 2025 · The SA bus connects the SNC to endpoint devices, such as Input/Output Control Modules (IOMs), network thermostats, network sensors, local displays, and Johnson Controls Variable Speed Drives (VSDs). When the economizer is installed as a field option, the controller is fac-tory mounted with a wiring harness that is necessary for con-nection. This feature allows a technician to commission or service the controller via the network sensor. The NS Series CO2 Network Sensors include an SA Bus access port for connecting accessories to access the SA Bus. SNC Series controller pdf manual download. Advanced Application Controller. These data are transmitted to a controller on the Sensor Actuator (SA) Bus. View and Download Johnson Controls SNC Series installation manual online. When connecting an SA Bus device to the controller, wire the SA Bus terminal block on the controller and other SA Bus devices in a daisy-chain configuration using 4-wire twisted, shielded cabl Aug 1, 2017 · Wire Network Sensors and other devices to the Sensor Actuator (SA) Bus terminal block (Figure 3) or Sensor port (RJ-12 modular jack) for sensors. Apr 4, 2025 · The SA bus connects the SNC to endpoint devices, such as Input/Output Control Modules (IOMs), network thermostats, network sensors, local displays, and Johnson Controls Variable Speed Drives (VSDs). 4k baud. Use twisted, insulated, stranded copper wire for all FC and SA Bus cables, regardless of wire size. Models in this series monitor the duct temperature, typically at the discharge of the Variable Air Volume (VAV) box, and transmit this data to the controller Sensor Actuator (SA) Bus using the 305 cm (10 ft) wiring lead Sep 7, 2022 · The following table provides information about the functions, ratings, and requirements for the communication bus and supply power terminals. 0b54 firmware or newer, the FS series supports the Johnson Controls SA Bus series thermostat. SA-Bus wiring diagram Number Component 1 DIP switch 2 24 VAC power terminals 3 CE-360 Critical Environment Display 4 Controller. 1aq9u bbof ecblc9r kb1l gs80mg rwk8v0 alj 87fomt vuuejou xsxfp6