Technical specifications
Table 11: FEC26 technical specifications
Product Code Numbers
MS-FEC2611-0: 17-Point FEC
MS-FEC2611-0ET: FEC2611 Extended Temperature controller for rooftop applications.
Supports Operational Temperature Range of -40 °C to 70 °C (-40 °F to 158°F).
MS-FEC2621-0: 17-Point FEC with integral display and pushbutton user interface.
Smoke Control Models:
MS-FEC2611-0U
MS-FEC2621-0U
Supply Voltage
24 VAC (nominal, 20 VAC minimum/30 VAC maximum), 50/60 Hz, power supply Class 2
(North America), Safety Extra-Low Voltage (SELV) (Europe)
Power Consumption
14 VA maximum for FEC2611 only
20 VA maximum for FEC2621 (with integral display) only
Note:
VA rating does
not
include any power supplied to the peripheral devices
connected to Binary Outputs (BOs) or Configurable Outputs (COs), which can
consume up to 12 VA for each BO or CO; for a possible total consumption of an
additional 84 VA (maximum).
Ambient Conditions
FEC26 Field Equipment Controller:
Operating:
0°C to 50°C (32°F to 122°F); 10% to 90% RH noncondensing
Storage:
-40°C to 80°C (-40°F to 176°F); 5% to 95% RH noncondensing
FEC26 Extended Temperature Field Equipment Controller:
Operating:
- 40 to 70°C (-40 to 158°F); 10 to 90% RH noncondensing
Storage:
-40 to 80°C (-40 to 176°F); 5 to 95% RH noncondensing
Addressing
BACnet
®
MS/TP:
DIP switch set; valid field controller device addresses 4–127 (Device
addresses 0–3 and 128–255 are reserved and not valid controller addresses.)
N2:
DIP switch set; valid controller device addresses 1–255
Communications Bus
RS-485
, field selectable between BACnet MS/TP and N2 communications:
3-wire FC Bus between supervisory controller and field controllers.
4-wire SA Bus between field controller, network sensors, and other sensor/actuator
devices, includes a lead to source 15 VDC supply power (from field controller) to bus
devices.
N2 Open Protocol:
N2/FC Bus: 1.0mm (18 AWG) standard 3-wire, twisted, shielded cable recommended
between the supervisory controller and field controllers
Processor
FEC26 Series:
H8SX/166xR Renesas
®
32-bit microcontroller
Memory
640 KB flash memory and 128 KB RAM
Input and Output Capabilities
FEC26 Series:
6 - Universal Inputs:
Defined as 0–10 VDC, 4-20 mA, 0–600k ohm, or Binary Dry Contact
2 - Binary Inputs:
Defined as Dry Contact Maintained or Pulse Counter/Accumulator
Mode
3 - Binary Outputs:
Defined as 24 VAC Triac (selectable internal or external source power)
4 - Configurable Outputs:
Defined as 0–10 VDC or 24 VAC Triac BO
2 - Analog Outputs:
Defined as 0–10 VDC or 4–20 mA
Analog Input/Analog Output Resolution
and Accuracy
Input:
16-bit resolution
Output:
16-bit resolution, +/- 200 mV accuracy in 0-10 VDC applications
Terminations
Input/Output:
Fixed Screw Terminal Blocks
SA/FC Bus and Supply Power:
4-Wire and 3-Wire Pluggable Screw Terminal Blocks
SA/FC Bus Port:
RJ-12 6-Pin Modular Jacks
Mounting
Horizontal on single 35 mm DIN rail mount (preferred), or screw mount on flat surface
with three integral mounting clips on controller
Housing
Enclosure material:
ABS and polycarbonate, Rating V0 minimum
Protection Class: IP20 (IEC529)
FEC26 Field Equipment Controllers Installation Guide
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