Table 4: FEC26 Terminal Blocks, Functions, Ratings, Requirements, and Cables
Determine Wire Size and Maximum
Cable Length
Function, Ratings, RequirementsTerminal LabelTerminal Block
Label
See Guideline A in Table 5.
Binary Input - Dry Contact Maintained
Mode
0.01 second minimum pulse width
Internal 18 V. 3k ohms pull up
INn
BINARY
(Inputs)
Binary Input - Pulse
Counter/Accumulator Mode
0.01 second minimum pulse width
(50 Hz at 50% duty cycle)
Internal 18 V. 3k ohms pull up
Binary Input Common for all Binary Input
(IN) terminals
Note: All Binary ICOMn terminals are
isolated from all other commons,
except the Configurable Output
(CO) common (OCOMn) when the
CO is defined as an Analog
Output.
ICOMn
See Guideline C in Table 5.
Analog Output - Voltage Mode (0–10
VDC)
10 VDC maximum output voltage
10 mA maximum output current
Required an external load of 1,000 ohms
or more.
Note: The Analog Output (AO) operates
in the Voltage Mode when
connected to devices with
impedances greater than 1,000
ohms. Devices that drop below
1,000 ohms may not operate as
intended for Voltage Mode
applications.
OUTn
ANALOG
(Outputs)
Analog Output - Current Mode (4–20
mA)
Requires and external load between
0–300 ohms.
Note: The AO operates in Current Mode
when connected to devices with
impedances less than 300 ohms.
Devices that exceed 300 ohms
may not operate as intended for
Current Mode applications.
Analog Output Signal Common for all
Analog OUT terminals.
Note: All Analog Output Common
terminals (OCOMn) are isolated
from all other commons.
OCOMn
15FEC26 Field Equipment Controllers Installation Instructions