Terminal block label | Terminal label | Function, ratings, requirements | Determine wire size and maximum cable length |
---|---|---|---|
UNIVERSAL (Inputs) |
+15 V |
15 VDC Power Source for active (3-wire) input devices connected to the Universal INn terminals. Provides 100 mA total current |
Same as (Universal) IN n Note: Use 3-wire cable for devices that source power from the +15 V terminal.
|
IN n |
Analog Input - Voltage Mode (0–10 VDC) 10 VDC maximum input voltage Internal 75k ohm Pull-down |
See Guideline A in Table 1. |
|
Analog Input - Current Mode (4–20 mA) Internal 100 ohm 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 expansion module is interrupted
or off.
|
See Guideline B in Table 1. |
||
Analog Input - Resistive Mode (0–600k ohm) Internal 12 V. 15k ohm pull up Qualified Sensors: 0-2k ohm 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 1. |
||
Binary Input - Dry Contact Maintained Mode 1 second minimum pulse width Internal 12 V. 15k ohm pull up |
See Guideline A in Table 1. |
||
ICOM n |
Universal Input Common for all Universal Input terminals |
Same as (Universal) IN n |
|
ANALOG (Outputs) |
OUT n |
Analog Output - Voltage Mode (0–10 VDC) 10 VDC maximum output voltage 10 mA maximum output current Required an external load of 1,000 ohm or more. Note: The Analog Output (AO) operates in the Voltage Mode when connected to devices with impedances greater than 1,000 ohm. Devices that drop below 1,000 ohm may not operate as intended for Voltage Mode applications.
|
See Guideline C in Table 1. |
Analog Output - Current Mode (4–20 mA) Requires an external load between 0 and 300 ohm. Note: The Analog Output (AO) operates in the Current Mode when connected to devices with impedances less than 300 ohm. Devices that exceed 300 ohm may not operate as intended for Current Mode applications.
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OCOM n |
Analog Output Signal Common for all Analog OUT terminals. |