System Architecture

EcoStruxure™ Building Operation
Reference Architecture

End-to-end IP architecture options — from connected products and field controllers up to edge servers and cloud analytics. Four validated topologies for any building scale.

EcoStruxure Building Operation Reference Architecture — End-to-end IP Architecture Options
Daisy-Chain Topology — AS-B-36 as parent, up to 32 RP/MP per daisy chain
Ring-Chain Topology — corporate network hosted under Enterprise Server
Star Topology — installed under Enterprise Server or AS-P Edge Server
RSTP Topology — AS-P-NLS as edge automation server, max 200 RP/MP
27 Products
AS-B-36 Automation Server
Automation Server
AS-B-36 · SXWASB36X10001

SpaceLogic Plant Room Automation Server AS-B-36

BACnet automation server with 36 I/O points for plant room control. Dual Ethernet, BACnet MS/TP, Modbus TCP/client, SMTP/SMTPS email notification, and SNMP management — all in one DIN-capable unit with an onboard LCD display.

36 I/O: 28 universal, 4 relay, 4 triac
BACnet MS/TP + Modbus TCP/RTU
128×64 FSTN transflective LCD
256 MB FRAM + 2 GB flash memory
I/O Points
36 (28 Univ.)
Power
10 W / 15 VA
Protocol
BACnet + Modbus
Ethernet
2 Ports
MP-C BACnet MS/TP Field Controller
Field Controller
MP-C EasyLogic

EasyLogic MP-C BACnet MS/TP Field Controller

Fully programmable BACnet MS/TP field controller offering a versatile I/O mix for HVAC zones. Native MS/TP lets it retrofit existing b3 BACnet devices on RS-485 networks. Pairs seamlessly with SpaceLogic AS-P or AS-B servers in EcoStruxure Building.

Native BACnet MS/TP (RS-485)
Versatile onboard I/O point mix
Standalone or parent-server operation
Full EcoStruxure Building Operation support
Protocol
BACnet MS/TP
Network
RS-485
Range
EasyLogic
App
HVAC
AS-P-NLS Automation Server
Automation Server
AS-P-NLS · SXWASPSBX10002

SpaceLogic Automation Server AS-P-NLS

Network controller with dual RS-485 and dual Ethernet ports, secure boot, and 10-day battery backup. DIN rail mounted (90 × 114 × 64 mm), 10 W max, IP20, rated 0–50 °C. Certified BTL B-BC, cUL, UL, and RCM.

2 RS-485 + 2 × 10/100 Ethernet ports
Secure boot + TLS 1.0 security
10-day battery backup
DIN rail mount, IP20, Green Premium
Mount
DIN Rail
Max Power
10 W
Backup
10 Days
Temp Op.
0…50 °C
RP-V VAV Field Controller
VAV Controller
RP-V-5C-M · SXWRPV5CM10001

EasyLogic RP-V VAV BACnet MS/TP Field Controller

All-in-one VAV controller with built-in actuator and airflow sensor for direct damper shaft mounting. Programmable with Smart Sensor Input, daisy-chain RS-485, 24 V AC supply, and IP20 rating. Operates from 0 to 50 °C in variable air volume applications.

Integrated actuator + airflow sensor
2 universal I/O, 3 solid-state relay outputs
BACnet MS/TP, RS-485 daisy chain
Damper shaft mount, 6 MB + 32 MB flash
Application
VAV
Supply
24 V AC ±15%
Protocol
BACnet MS/TP
Power
11 VA
Carbon Monoxide Room Sensor
CO Room Sensor
ACI CO ROOM Series

CO Room Carbon Monoxide Room Sensor

Electrochemical CO sensor for continuous monitoring in garages, kitchens, warehouses, and loading docks. Field-adjustable range, 7500 sq ft coverage, RS-485 communication, and optional NEMA 4X watertight enclosure with LCD and dual relay outputs.

0–125 ppm / 0–250 ppm field adjustable
7500 sq ft coverage, 49' radius
4-20 mA or 2-10V output, RS-485
NEMA 1 or NEMA 4X enclosure options
Sensor
Electrochemical
Accuracy
±2.5%
Supply
24 VAC / VDC
Sensor Life
~5 Years
GDS Gas Detector
Gas Detector
Kele GDS Series

GDS Toxic & Combustible Gas Detector

Modular, micro-processor-based detector for toxic and combustible gases. Pre-calibrated plug-in sensors, 4-20 mA and two relay outputs, 85 dBA buzzer, two-line LCD, and programmable relay differential. 17–27 VAC or 24–38 VDC supply, wall or duct mount, password protected.

CO, O2, H2S, N2O, CH4, C3H8, H2
4-20 mA + 2 DPDT relay outputs
Built-in 85 dBA buzzer, 2-line LCD
Wall or duct mount, password protected
Gases
CO, O2, H2S, LEL+
Output
4-20 mA @ 500Ω
Supply
17-27 VAC/VDC
Accuracy
±3%
KCOP CO Detector
CO Detector
Kele KCOP Series

KCOP Carbon Monoxide Detector

Heavy-duty electrochemical CO detector for industrial and commercial spaces. Tri-color LED status, replaceable sensor with end-of-life indication, and 4-20 mA or dual relay output. Operates 0–200 ppm, with a low-temperature option down to -22°F (-30°C). Hinge- or screw-cover steel enclosure.

4-20 mA or dual SPDT relay output
Replaceable sensor, ~5-year life
Tri-color LED, sensor end-of-life alert
Low-temp option: -22°F / -30°C
Range
0–200 ppm
Accuracy
±2.5% FS
Supply
20-30 VAC / 24 VDC
Sensor Life
~5 Years
SM-501 Duct Smoke Detector
Duct Smoke Detector
SM-501 Series

SM-501 Series Duct Smoke Detector

Air Products & Controls duct smoke detector for HVAC ducts 6" to 10' wide. Universal voltage (24–230 VAC/VDC), photoelectric or ionization heads, 2 alarm + 1 trouble contact, and interconnection of up to 30 units. UL listed, MEA approved, 3-year warranty.

Universal: 24 VAC/VDC, 115, 230 VAC
Photoelectric or ionization heads
2 alarm + 1 trouble relay contact
Up to 30 detectors interconnected
Air Velocity
500–4000 fpm
Supply
24–230 VAC/VDC
Humidity
10–85% RH
Warranty
3 Years
A/RH5 Humidity Transmitter
Humidity Transmitter
ACI A/RH5 Series

A/RH5 Room, Duct & OSA Humidity Transmitter

HVAC/BAS relative humidity transmitter with DIP-switch-selectable 4-20 mA, 0-5 VDC, or 0-10 VDC output. Capacitive sensing, 0–100% RH range, ±5% accuracy, and 12-40 VDC / 18-28 VAC supply. Room, duct (NEMA 4), OSA, and stainless wall-plate models available with optional temperature sensor.

4-20 mA / 0-5V / 0-10V selectable
0–100% RH capacitive sensing
Room, duct, OSA & wall-plate variants
Single point field calibration, CE & RoHS
Accuracy
±5% RH
Range
0–100% RH
Supply
12-40 VDC / 18-28 VAC
Warranty
5 Years
HumiTrac XR Transmitter
Humidity Transmitter
Telaire HumiTrac XR

HumiTrac XR Dew Point, Enthalpy, Wet Bulb & Temperature Transmitter

Advanced Amphenol transmitter with microprocessor-based signal processing that calculates dew point, enthalpy, wet bulb, and temperature from a field-replaceable capacitive sensor. Multiple user-selectable outputs, weather-resistant duct/OSA mounting, temperature compensated, and RoHS compliant. Ideal for IAQ, energy savings, and industrial environments.

Dew point, enthalpy, wet bulb & temperature
Field-replaceable capacitive RH sensor
Multiple user-selectable outputs
Weather-resistant duct & OSA mounting
Measures
RH, Temp, DP, Enthalpy
Technology
Capacitive
Mounting
Room / Duct / OSA
Warranty
2 Yr Transmitter
Badger Meter Flow Sensor
Flow Sensor
Badger Meter 220B / 220SS

220B/220SS Brass & Stainless Steel Flow Sensor

Insertion-type flow sensor for 2-1/2" to 40" metallic or PVC pipes. Mounts in a 2" NPT saddle or Thredolet. ±1% accuracy at 0.5–30 fps, 60:1 rangeability, 221°F / 400 psig rated. Available in Admiralty brass (220B) or 300 series stainless steel (220SS). CE approved, 20' shielded cable included.

±1% full-scale accuracy, 0.5–30 fps
60:1 rangeability, ±0.3% repeatability
2-1/2" to 40" pipe, 2" MNPT mount
Brass or stainless steel construction
Accuracy
±1% FS
Velocity
0.5–30 fps
Max Pressure
400 psig
Max Temp
221°F (105°C)
FS1-6 Flow Switch
Flow Switch
FS1-6 Flow Switch

FS1-6 HVAC & Industrial Flow Switch

Liquid flow switch in a weatherproof housing for HVAC and industrial applications. Magnetic coupling between PPS vane and SPDT switch eliminates liquid ingress. Field-trimmable vane fits 1" and larger pipes. 1" NPT connection, 150 psig, 212°F max, SPDT 5A 125/250 VAC snap-acting switch.

Leak-proof magnetic switch operation
Field-trimmable vane, 1" and larger pipes
SPDT 5A 125/250 VAC snap-acting switch
Weatherproof housing, 150 psig rated
Connection
1" NPT
Pressure
150 psig (10 bar)
Max Temp
212°F (100°C)
Weight
1 lb (0.45 kg)
UFT-1 Flow Transmitter
Flow Transmitter
Kele UFT-1 Series

UFT-1 Universal Flow Transmitter

Solid-state flow transmitter for Data Industrial 200 Series sensors. Outputs 4-20 mA (UFT-1A) or solid-state pulse (UFT-1) with optoisolated pulse for totalization. LED pulse activity indication, 24 VDC supply, optional NEMA 4X watertight or surface-mount enclosed models. RoHS compliant, factory configured.

4-20 mA analog + optoisolated pulse output
Optional NEMA 4X watertight enclosure
Flow rate & totalization display options
LED pulse activity indicator, RoHS
Supply
24 VDC, 80 mA
Accuracy
±0.5%
Input
15–150 Hz FS
Temp
0–60°C
LU2 EchoSonic Level Transmitter
Level Transmitter
Flowline LU2 Series EchoSonic

LU2 EchoSonic Ultrasonic Level Transmitter

Non-contact ultrasonic level transmitter, 24 VDC two-wire 4-20 mA output, ±0.2% accuracy. Ranges from 9.8' to 32.8' (3–10 m), NEMA 6P submersible polycarbonate, selectable failsafe, 30 psig rated, -31° to 140°F operation. WebCal software for tank set points, graphics, and custom wiring diagrams. CE, FM, RoHS.

Non-contact, ±0.2% accuracy, 9.8'–32.8' range
NEMA 6P submersible polycarbonate enclosure
Selectable loop failsafe (4/20/21/22 mA)
WebCal software, CE, FM, RoHS approved
Supply
24 VDC
Accuracy
±0.2%
Output
4-20 mA 2-wire
Enclosure
NEMA 6P
L150/EL150K1 Level Swichgage
Level Gauge
Murphy L150 / EL150K1 Series

L150/EL150K1 Level Swichgage for Engine Liquids

Float-operated level gauge and low-limit switch in one unit for coolant, lube oil, diesel fuel, and hydraulic fluid monitoring. Indicating dial with pointer closes a switch circuit when fluid drops to the low-limit set point. Max 25 psi, CSA listed, CE compliant. EL150EX explosion-proof model available for Class I, Div 1, Group C & D hazardous locations.

Float-operated gauge + low-limit switch
Coolant, lube oil, diesel & hydraulic fluid
Explosion-proof EL150EX (CSA, Class I Div 1)
Max 25 psi (172 kPa), CE compliant
Max Pressure
25 psi (172 kPa)
Certifications
CSA, CE
Application
Engine Liquids
Hazardous Loc.
EL150EX option
Mac3 Float Switch
Float Switch
Mac3 Float Switch

Mac3 Float Switch — Double Liquid-Proof Chamber

Dual liquid-proof chamber float switch for clean water, dirty water with heavy solids, and turbulent flow applications. IP68 rated, non-toxic polypropylene body (106×154×54 mm, 234 g), 16(4)A 250 V~ microswitch, +20°/−45° operating angle, and cable options from 2 to 20 m in PVC or H07RN-F. 2-way fill and empty operation.

IP68 rated, double liquid-proof chamber
16(4)A 250V~, +50°C max operating temp
Clean, dirty & turbulent water use
2-way fill & empty, 2–20m PVC/H07RN-F cable
IP Rating
IP68
Switch
16(4)A 250V~
Max Temp
+50°C
Body
Polypropylene
SeaHawk Sensing Cable
Leak Detection Cable
RLE SeaHawk SC / SC-C Series

SeaHawk Water & Chemical Sensing Cable

Flexible sensing cables that detect liquid presence in standard and hazardous environments. SC Cable handles any conductive fluid; SC-C detects aqueous acids, bases, and other conductive fluids. Compatible with SeaHawk zone and distance-read leak detection controllers. Available in standard, custom, and bulk lengths. CE, UL, RoHS, Plenum rated.

SC: conductive fluid detection, up to 300 ft
SC-C: acids, bases & conductive fluids, 210 ft
Resistant to bends & kinks, highly flexible
CE, UL, RoHS & Plenum rated
SC Temp
0–75°C
SC-C Temp
-40–95°C
Approvals
CE / UL / RoHS
Warranty
1 Year
DCP-1.5-W DC Power Supply
DC Power Supply
Kele DCP-1.5-W

DCP-1.5-W Regulated DC Power Supply

Regulated 1.5A DC power supply: 24 VAC input, 24 VDC output (adjustable 1.5–27 VDC via screwdriver). Full-wave rectified, 1.5% regulation, 3A GF-3 fuse overcurrent protection, 0–55°C operation, 95% RH. Snap-track mounted with screw/pressure-plate terminals. Also available in DCP-1.5-W-C for custom output voltage (1.5–24 VDC, specify at order).

24 VAC in → 1.5–27 VDC adjustable output
1.5A rated (with 75 VA transformer)
3A GF-3 fuse, full overcurrent protection
Snap-track mount, screw terminals
Supply
24 VAC
Output
1.5–27 VDC
Current
1.5A
Warranty
18 Months
DPA3 Differential Low Pressure Transmitter
Differential Pressure Transmitter
Kele DPA3 Series

DPA3 Differential Low Pressure Transmitter

Piezoresistive differential pressure transmitter, ±0.5% FSO, 0.1–40" WC with 8 selectable ranges. Field-selectable 0-5V, 0-10V, or 4-20 mA output, optional 5-digit LCD, pushbutton zero function, -4° to 185°F operation, flame-retardant polycarbonate (UL94-5VA). Applications: building/duct static, filter monitoring, airflow measurement, process control. CE, RoHS, 5-year warranty.

±0.5% FSO accuracy (NIST available)
0.1–40" WC, 8 selectable ranges
0-5V / 0-10V / 4-20mA field selectable
Optional LCD, CE, RoHS, 5-year warranty
Accuracy
±0.5% FSO
Range
0.1–40" WC
Output
4-20mA / 0-10V
Warranty
5 Years
AFS-262 Air Pressure Sensing Switch
Air Pressure Switch
Cleveland Controls AFS-262

AFS-262 Air Pressure Sensing Switch

Diaphragm-based, snap-acting SPDT air pressure proving switch for HVAC and energy management. Senses positive, negative, or differential air pressure via 1/4" OD metallic tubing compression fittings. Adjustable set-point range, 1/2" conduit entry, surface-mount bracket. Mount with diaphragm in vertical plane to achieve lowest operating set point.

Positive, negative, or differential sensing
SPDT snap-acting switch, adjustable set point
1/4" OD tubing compression fittings
1/2" conduit, surface mount bracket
Switch
SPDT Snap-acting
Sensing
Pos / Neg / Diff
Tubing
1/4" OD metallic
Application
HVAC / EMS
PSS2 Stainless Steel Pressure Transmitter
Pressure Transmitter
Kele PSS2 Series

PSS2 Stainless Steel Pressure Transmitter

Compact stainless steel pressure transmitter: 4-20 mA output, 8-30 VDC, <0.5% accuracy (≥75 psi), 304L/316L SS wetted parts, 1/8" MNPT process connection. Splash-proof Packard connector, 36" 16 AWG cable. Eleven standard ranges for steam, water, glycol, refrigerant and more. -40° to 221°F, 3× proof / 5× burst overpressure. Optional panel enclosure and gauge.

4-20 mA output, 8-30 VDC supply
<0.5% accuracy, 304L/316L SS wetted parts
11 standard ranges, 1/8" MNPT connection
3× proof / 5× burst, -40° to 221°F
Output
4-20 mA
Supply
8-30 VDC
Accuracy
<0.5% of span
Temp
-40° to 221°F
DPC Definite Purpose Contactor
Contactor
Hecheng DPC Series

DPC Series Definite Purpose Contactors

Economical DPC Series contactors for A/C, refrigeration compressors, motors, and resistance heaters. 2-, 3-, and 4-pole models, 30–60 FLA, 14-4 AWG wiring. Coil options: 24V or 120/208/240V. Box lug or 0.25" quick-connect line terminals, optional auxiliary contacts. UL recognized (File IFE246810), CE certified, -40° to 149°F (-40° to 65°C), 1-year warranty.

2-, 3-, 4-pole models, 30–60 FLA
24V or 120/208/240V coil voltage
Optional auxiliary contacts, 14-4 AWG
UL recognized, CE certified, -40° to 65°C
Poles
2 / 3 / 4
FLA
30–60 A
Coil
24V / 120-240V
Temp
-40° to 65°C
IDEC General-Purpose Relays
General-Purpose Relay
IDEC RH / RR / RJ Series

IDEC General-Purpose Relays — RH, RR, RJ Series

IDEC general-purpose relays in three series: RH (10A, SPDT–4PDT, blade), RR (10A, SPDT–3PDT, blade/pin), RJ (compact 12A SPDT/8A DPDT, blade). AC and DC coil options throughout. Indicator light and check button optional on blade relays. Silver cadmium oxide or silver nickel alloy contacts. 25 ms operate / 25 ms release time. UL, CSA, CE.

RH: 10A SPDT–4PDT blade, AC/DC coil
RR: 10A SPDT–3PDT blade/pin, AC/DC coil
RJ: compact 12A SPDT / 8A DPDT
UL recognized, CSA certified, CE approved
Current
10–12A
Config
SPDT to 4PDT
Coil
AC / DC
Certifications
UL / CSA / CE
IDEC Relay Sockets
Relay Socket
IDEC SH / SJ / SR Series

IDEC Relay Sockets — SH, SJ, SR Series

Relay sockets for IDEC RH/RR/RJ relays and RTE timers. SH/SR Series: blade and pin, 1–4 pole, 300V/10A, captive screw terminals, DIN rail or surface mount. SJ Series: lever-type hold-down, 250V/12A, DIN rail or surface mount. All models UL recognized, CSA certified, CE approved, RoHS compliant. Wire size 12–14 AWG.

For IDEC RH, RR, RJ relays & RTE timers
1–4 pole, 250–300V / 8–12A rated
DIN rail or surface mount
UL / CSA / CE / RoHS compliant
Voltage
250–300V
Current
8–12A
Mount
DIN Rail / Surface
Certifications
UL / CSA / CE
ST-W Immersion Thermistor / RTD
Temperature Sensor
Precon ST-W* Series

ST-W* Immersion Thermistor & RTD Sensor

Waterproof immersion sensor with 304 SS probe and brass thermowell (WEL-B). Thermistor: ±0.36°F accuracy, 10°–230°F range; RTD: ±1°F, -67°–240°F. Removable from thermowell without draining. 8' 24 AWG prestripped leads, 1/2" FNPT brass fitting. Optional 304 SS well (900°F / 3000 psig), custom lengths, NIST traceable. Lifetime warranty.

±0.36°F thermistor / ±1°F RTD accuracy
304 SS probe, brass thermowell included
Removable without draining the system
NIST traceable option, lifetime warranty
Thermistor Acc.
±0.36°F
RTD Acc.
±1°F
Thermistor Range
10–230°F
Warranty
Lifetime
ST-S*E Executive Room Temperature Sensor
Temperature Sensor
Precon ST-S*E / ST-S*EW Series

ST-S*E Executive Style Room Thermistor & RTD Sensor

Executive-style room temperature sensor with vented beige or white housing for BAS applications. Thermistor ±0.36°F (±0.2°C), RTD ±0.27°F to ±0.54°F depending on type. Multiple cover options: setpoint adjust, analog display, push buttons, indicator lamp, comm jacks. NEMA 1, CE, -40° to 221°F, weight 0.15 lb. Lifetime warranty.

±0.36°F thermistor / ±0.27°F RTD accuracy
Beige or white vented NEMA 1 housing
Setpoint adjust, display, button, lamp options
CE approved, lifetime warranty
Thermistor Acc.
±0.36°F
RTD Acc.
±0.27°F+
Range
-40° to 221°F
Warranty
Lifetime
ST-D Duct Thermistor / RTD Sensor
Temperature Sensor
Precon ST-D* Series

ST-D* Duct Thermistor & RTD Sensor

Tip-sensitive duct temperature sensor with 9" (22.8 cm) 304 SS probe for direct sheet metal duct mounting or single-gang box via 1/2" NPT female conduit fitting. Waterproof and suitable for condensing air environments. Thermistor ±0.36°F (±0.2°C); RTD per type. 8' 24 AWG prestripped leads. CE approved, -40° to 221°F, lifetime warranty.

±0.36°F thermistor, tip-sensitive probe
9" 304 SS probe, waterproof & condensing-safe
Direct duct, wall, or single-gang box mount
CE approved, -40° to 221°F, lifetime warranty
Thermistor Acc.
±0.36°F
Probe
304 SS, 9"
Range
-40° to 221°F
Warranty
Lifetime

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