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PLC Usage Explained
in
Parking and access control equipment manufactured in the UK
Automatic Raise Arm Barriers
16
New Barrier Program
Safety Delay
– To delay barrier after safety loop or photocell activation
Press Menu/Ok Button
Scroll to Parameters
Press Menu/Ok button
Scroll to TT1 – Amend time to required value
No Passage Time Out
– Barrier will auto close after receiving and open signal
Press Z1 (left arrow) (opens menu)
Hold Z2 (down arrow)
This will inform if no passage on or off
To change time of this value:
Press Menu/Ok Button
Scroll to Parameters
Press Menu/Ok button
Scroll to TT2 – Amend time to required value
24 Hour Timer
– Enables the barrier to be held open or closed automatically during set times
To enable or disable 24hr timer:
Press Z1 (left arrow) (opens menu)
Press Z4 (right arrow)
To change times of this value:
Press Menu/Ok Button
Scroll to Parameters
Press Menu/Ok button
Scroll to H1 – Amend time to required value
Note there is also a H2 value timer that can be used also
Free Entry/Exit Timer
– You are able to control to when this feature is allowed using a time value
To change time of this value:
Scroll to Parameters
Press Menu/Ok button
Scroll to H3 – Amend time to required value (set to 24hrs 7 days a week as standard)
In this value you can amend time and days which the free entry/exit is active
Safety Close
– This value can be turned on or off e.g. push button only operation required
Press Z1 (left arrow) (opens menu)
Hold Z3 (up arrow)
Menu/Ok
SR2 B121BD
1
2
Q1
1
2
Q2
1
2
Q3
1
2
Q4
+
-
I1
I2 I3 I4 IB
ID
IC
IE
24VDC
24VDC
24VDC
Analog or
IB....IE
Inputs I1...I4
Outputs
Q1...Q4 : Relay 8A
Memory card
slot
Outputs
Inputs
Power
Inputs
Z1
(Left)
Z4
(Right)
Z3
(Up)
Z2
(Down)
Menu/Ok
(green)
LCD Screen
White “Shift” button to press & hold
whilst using arrow keys to change values
The barrier has a new
program allowing you to
select different modes of
operation.
!