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Programmable Inputs
The Dry and Wet Inputs are programmable to accept either a
Normally Open or Normally Closed contact. Table 1 shows the
default settings for all modes. Changes made to the inputs are
saved and will remain even through a power cycle. Once the
Mode is selected, changes to the inputs can be programmed.
If the Mode is changed, the inputs are set to their default
values for that mode. If the Mode is set back to the previous
mode, all input programming changes are lost, and the
default values are restored.
For example, mode is set to Mode 7. Dry 4 is reprogrammed
to accept a NO contact. The mode is changed to Mode 8, then
changed back to Mode 7. Dry 4 is now defaulted to accept a
NC contact.
Wet Input
Wet Input activates at 4.5V AC/DC and deactivates at 2.8V
AC/DC. Some older telephone entry panels outputting wet
signals do not typically reduce output to 0V when inactive.
There is typically a stray voltage that can exceed 3V which
does not deactivate the Wet Input. In these cases, please use
the provided 50Ω, 1Watt resistor in series with the Wet Input.
Section 3
Set-up Instruction Applications:
Mode 1
3-Relay Switching Network
Mode 2
2-Door Airlock (Timed)
Mode 3
2 Door Airlock (Latching)
Mode 4
with lock
Mode 5
Apartment / Condo Applications Section 3E
Mode 6
Access Control Applications
Restroom Control
Mode 7
(normally unlocked)
Restroom Control
Mode 8
(normally locked)
Lock-out Relay with
Mode 9
Low Energy S.A.M. with
Mode 10
Mode 11
Fire Alarm input
Mode 12
Fire Alarm input
Mode 13 Special Purpose Sequencer
Mode 14 Delayed Egress Mode
Mode 7
Lock-Down Mode
Bi-Directional with Access
Mode 15
Control Sequenced with
Technical Specifications & Warranty
CX-33PS Advanced Logic Control Relay & Power Supply Cabinet
Section 3 A
3 Relay Switching network (Mode 1)
This mode sequences all 3 relays (in one direction), using what
we call "mixed mode triggering". Some popular applications
include basic strike and operator installations, smoke
evacuation, stairwell doors, or latching applications.
Refer to Diagram 1, (Page 11) for the following connections
For momentary devices, wire to either DRY 1 or WET 1 input
terminals. Wire a maintained device to DRY 3 input to hold
relay 1 (a lock for example). Wire a maintained device to DRY
2 input to hold relays 2 & 3 (ie -door operators).
Input number 4 is for latching applications. Each momentary
switch closure will toggle relays 2 & 3. Once input and output
connections are made, program the unit according to the
General Programming Instructions on page 1, and walk-test the
installation. Timing adjustments may need to be made.
If Hold time is = 0, the relay doesn't turn on. If Delay time = 0,
then the relay comes on immediately. For example, if you
wish Relay 2 & 3 to both come on at the same time, set D2
time to zero (0.0).
In addition, you can add a "Delay-on-activate" (or nuisance
delay) to this mode by setting time via Step 8 of the Program
Mode. If this feature is used, any input will have to be held
for at least the time indicated on the display before the
Section 3A
Page 3
CX-33 will activate. If not wanted, set the time to zero (0.0).
Section 3B
Page 3
Once the desired operation is achieved, proceed to Section 4,
Section 3C
Page 4
(Page 9) for System Inspection Instructions.
Page 4
Section 3 B
Page 4
2 Door Timed Airlock (Mode 2)
Section 3F
Page 4
Utilizing door position switches (CX-MDC or equivalent), this
mode ensures that only one door in an airlock will be open
Page 5
at a time. Each output hold time is adjustable from 1 - 50
seconds. 3 outputs allow for one of the doors to have an
Page 5
electric lock and a door operator. Alternatively, the doors
could have locks only and no operators.
Page 5
Refer to Diagram 2, (Page 12) for the following connections.
Wire the activating device(s) for Door #1 to DRY 1 terminals.
Wire the activating device(s) for Door #2 to DRY 2 terminals.
Page 6
Wire the respective door contact switches to Inputs 3 & 4.
(The contact circuit must be closed when the door is closed).
Page 6
Wire the outputs as shown.. If a lock is not used, set H1 & D1
timers to zero (0.0), and Relay 1 will be ignored.
Section 3M Page 6
Once input and output connections are made, program the
Section 3N
Page 7
unit according to the General Programming Instructions on
page 1, and walk-test the installation. Timing adjustments
Section 3P
Page 7
may need to be made.
Section 3Q
Page 7
It is NOT recommended to add the "Delay-on-activate" (or
nuisance delay) feature in this mode!
Section 3R
Page 7
Once the desired operation is achieved, proceed to Section 4,
(Page 9) for System Inspection Instructions.
Page 8
Page 8
INSTA LL AT ION INS T RUCT IONS
Page 3 of 26
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