Table 9: CVM03050 Controllers technical specification
Communications Bus
2
Note: For more
information refer to
FX-PC Series Controllers
MS/TP Communications
Bus Technical Bulletin
(LIT-12011670), or
N2 Communication
Bus Technical Bulletin
(LIT-636018)
BACnet MS/TP (default), N2
3-wire FC Bus between the supervisory controller and
equipment controllers
4-wire SA Bus between equipment controller, network sensors
and other sensor/actuator devices, includes a lead to source 15
VDC supply power (from equipment controller) to bus devices
Processor RX64M 32-bit Renesas microcontroller
Memory 16MB Flash Memory and 8MB SDRAM
Real-Time Clock Backup Power
Supply
Super capacitor maintains power to the onboard real-time clock
for a minimum of 72 hours when supply power to the controller
is disconnected.
Input and Output Capabilities
3 - Universal Inputs: Defined as 0–10 VDC, 0–600k ohms, or
Binary Dry Contact
2 - Configurable Outputs: Defined as 0-10 VDC or 24 VAC Triac
BO
3 - Binary Outputs: Defined as 24 VAC Triac (external power
source only)
Universal Input (UI)
Resolution/Configurable
Output (CO) Accuracy
UI Analog Input Mode: 15-bit resolution on UIs
CO Analog Output Mode: 0–10 VDC ± 200 mV
Air Pressure Differential
Sensor
Range: -1.5 in. to 1.5 in. W.C.
Performance Characteristics:
Typical Accuracy at ambient operating conditions: +/- 1% in W.C.
Typical accuracy at zero (null) pressure is +/- 0.0006 in W.C.
Actuator Rating
4 N·m (35 lb·in) minimum shaft length = 44 mm (1-3/4 in.) (if
provided)
Terminations
Inputs/Outputs: Pluggable Screw Terminal
FC Bus, SA Bus, and Supply Power: 4-Wire and 2-Wire
Pluggable Screw Terminal Blocks
SA Bus Modular Ports: RJ-12 6-Pin Modular Jacks
Mounting
Mounts to damper shaft using single set screw and to duct with
single mounting screw
Housing
Enclosure material: ABS and polycarbonate UL94 5VB; Self-
extinguishing
Protection Class: IP20 (IEC529)
33F4-CVM VAV Terminal Equipment Controllers Installation Instructions
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