Johnson Controls FAC3613, Руководство по установке, Страница: 7 / 24

• Shielded cable is not required for input or output
cables.
• Shielded cable is recommended for input
and output cables that are exposed to high
electromagnetic or radio frequency noise.
• Inputs/outputs with cables less than 30 m (100 ft)
typically do not require an offset in the software
setup. Cable runs over 30 m (100 ft) may require
an offset in the input/output software setup.
I/O Terminal blocks, ratings, and
requirements
Table 2: Terminal blocks, functions, ratings, requirements, and cables
Terminal block label Terminal label Function, ratings, requirements
Determine wire size and
maximum cable length
+15 V
15 VDC Power Source for active (3-wire) input devices
connected to the Universal IN n terminals.
Provides 100 mA total current
Same as (Universal) IN n
Note: Use 3-wire cable for
devices that source power
from the +15V terminal.
Analog Input - Voltage Mode (0–10 VDC)
10 VDC maximum input voltage
Internal 75k ohms pull-down See Guideline A in Table 3.
Analog Input - Current Mode (4–20 mA)
Internal 100 ohms load impedance. See Setting the Input
Jumpers .
Note: A current loop fail-safe jumper must be in
the Enable position to maintain a closed 4 to 20 mA
current loop. See UI current loop jumpers .
See Guideline B in Table 3.
Analog Input - Resistive Mode (60–600k 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
See Guideline A in Table 3.
IN n
Binary Input - Dry Contact Maintained Mode
1 second minimum pulse width
Internal 12 V. 15k ohms pull-up See Guideline A in Table 3.
UNIVERSAL
(Inputs)
ICOM n
Universal Input Common for all Universal Input
terminals
Note: All Universal ICOM n terminals share a
common, which is isolated from all other commons,
except the SA bus common. One common screw
terminal point is provided for every two input screw
terminal points.
Same as (Universal) IN n
Binary Input - Dry Contact Maintained Mode
0.01 second minimum pulse width
Internal 18 V. 3k ohms pull-up
IN n
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
(Inputs)
ICOM n
Binary Input Common for all Binary Input (IN) terminals
Note: All Binary ICOM n terminals share a common,
which is isolated from all other commons.
See Guideline A in Table 3.
FAC3613 Advanced Application Field Equipment Controller Installation Guide 7