Johnson Controls FEC26 Series User Manual

FEC26 I/O Wiring Ratings and Requirements Table
The following table shows the input/output requirements and ratings for the FEC26 Series controllers.
Table 4: FEC26 Terminal Blocks, Functions, Ratings, Requirements, and Cables
Determine Wire Size and Maximum
Cable Length
Function, Ratings, RequirementsTerminal LabelTerminal Block
Label
Same as (Universal) INn
Note: Use 3-wire cable for devices that
source power from the +15V
terminal.
15 VDC Power Source for active (3-wire)
input devices connected to the Universal
INn terminals.
Provides 100 mA total current
+15 VUNIVERSAL
(Inputs)
See Guideline A in Table 5.
Analog Input - Voltage Mode (0–10
VDC)
10 VDC maximum input voltage
Internal 75k ohms Pull-down
INn
See Guideline B in Table 5.
Analog Input - Current Mode (4–20 mA)
Internal 100 ohms load impedance
Note: A current loop fail-safe jumper can
be positioned to maintain a closed
4 to 20 mA current loop, even
when the power to the controller
is interrupted or off. See the
Universal Input Current Loop
Jumpers section.
See Guideline A in Table 5.
Analog Input - Resistive Mode (0–600k
ohms)
Internal 12 V. 15k ohms pull up
Qualified Sensors: 0–2k ohms
potentiometer, RTD (1k Nickel [Johnson
Controls® sensor], 1k Platinum, and A99B
Silicon Temperature Sensor) Negative
Temperature Coefficient (NTC) Sensor
(10k Type L, 10k JCI Type II, 2.252k Type
II)
See Guideline A in Table 5.
Binary Input - Dry Contact Maintained
Mode
1 second minimum pulse width
Internal 12 V. 15k ohms pull up
Same as (Universal) INn
Universal Input Common for all Universal
Input terminals
Note: All Universal ICOMn terminals are
isolated from all other commons.
ICOMn
14FEC26 Field Equipment Controllers Installation Instructions

Johnson Controls FEC26 Series Specifications

General

Brand	Johnson Controls
Model	FEC26 Series
Category	Controller
Language	English