Verasys® 32 Point 24 VAC Application Controller Installation Instructions
19
Table 5: Controller Terminal Blocks, Functions, Ratings, Requirements, and Cables (Part 1 of 4)
Terminal Block
Label
Terminal Label
Function, Ratings, Requirements
Determine Wire Size and Maximum
Cable Length
1
Universal
(Inputs)
+15 V
15 VDC Power Source
for active
(3-wire) input devices connected to
the Universal IN
n
terminals;
provides 80 mA total current.
Note:
80mA current limit is shared
between the BI + 15V supply and the
UI + 15V supply.
Same as (Universal)
INn
Note:
Use 3-wire cable for devices
that source power from the +15V
terminal.
COM
15 VDC Power Source
for active
(3-wire) input devices connected to
the Universal IN
n
terminals;
provides 80 mA total current.
Note:
80mA current limit is shared
between the BI + 15V supply and the
UI + 15V supply.
Same as (Universal)
INn
INn
Analog Input - Voltage Mode (0–10
VDC)
10 VDC maximum input voltage
Internal 67k ohm pull-down
See Guideline
A
Analog Input - Current Mode
(4–20 mA)
Internal 100 ohm load impedance
See Guideline
B
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
Binary Input - Dry Contact
Maintained Mode
1 second minimum pulse width
Internal 12 V. 15k ohm pull up
See Guideline A in Table 6.
ICOMn
Universal Input Common
for all
Universal Input terminals
Same as (Universal)
INn
