
2408
i Indicator Engineering Manual
4.5.8.1
Example 1: To Attach Alarm 1 to Relay Output AA
Figure 4-6: Example External Alarm Wiring
Do This
This Is The Display You Should See
Additional Notes
Enter configuration level as described in section 4.2.1. and configure Alarm 1 to the required type – see example
4.4.3.1.
4.5.8.2
Example 2: To Operate Relay 1 of a Dual Relay Output Module Fitted in Slot 2 when Both
Alarms 2 and 3 are Active
The wiring should be as shown in Section 1.3 using rear terminals 2A and 2B
Do This
This Is The Display You Should See
Additional Notes
Enter configuration level as described in section 4.2.1. and configure Alarms 2 and 3 to the required types – see example
4.4.3.1.
It is recommended that an external device is connected
so that an alarm condition is indicated when the relay is
de-energised. In this way if the indicator is removed or
its power is removed an alarm is indicated.
To achieve this set relay sense to inverted operation.
AA
AB
N/O
Relay
Alarm indication supply
Alarm ON
Alarm OFF
Indicator supply
N/C
1.
Press
until the
<
2A
>
List’
header is shown
2.
Repeat steps 3 to 5 above
3.
Press
until the
<
2---
>
is
shown
4.
Press
or
to select
<
Yes
>
The display will return to
<
2---
>
after
approximately 2 seconds
2 secs
5.
Press
until the
<
3---
>
is
shown
6.
Press
or
to select
<
Yes
>
The display will return to
<
inPt
>
after
approximately 2 seconds
Relay 1 of module 2 will operate when either
Alarm 2 or Alarm 3 is active
This procedure can be repeated for all alarms
which require to operate an output relay.
Notes:
Logic module outputs can also be attached to
alarms
Do not forget to say
<
no
>
to any alarm which
may already be attached to an output if it is not
required.
2A
YES
2---
2 secs
YES
3---
2 secs
1.
Press
until the
<
AA
>
List
header is shown
2.
Press
until the
<
Func
>
is
shown
3.
Press
or
to select
<
diG
>
The display will return to
<
Func
>
after
approximately 2 seconds
2 secs
4.
Press
until the
<
SEnS
>
is
shown
5.
Press
or
to select
<
inv
>
2 secs
6.
Press
until the
<
1---
>
is
shown
7.
Press
or
to select
<
YES
>
When alarm 1 is active the AA relay
connected to terminals AA and AB will
operate
AA
diG
Func
inv
SEnS
YES
1---
Part Number HA027240 Issue 5.0 Feb 2015
47