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iso415R-x_D00401_00_M_XXEN / 04.2021
Operation and settings on the device
4.1.5 Detent potentiometer response value main alarm R
an2
The response value R
an2
can be set manually to the
scaled values with the detent potentiometer and
read from the Modbus register "Response value
Ran2".
Changing the response value in the Modbus regis-
ter "Response value Ran2" is only possible in
switch position "Ext".
The last response value R
an2
stored via the inter-
face can be read from the Modbus register
"Response value Ran2_ext". It is applied to the re-
sponse value R
an2
when the setting is changed
from a manual value to "Ext".
iso415R
T / R
Ran2 (k
Ω
)
Ext 700 400 200
100
70
40
20
10
5
Ran1 (k
Ω
)
Ext 1k 700 400
200
100
70
40
20
10
1k
100
10
1
k
Ω
2
AL
1
ON
AC/DC
k
Ω
L1
L2
E
L1´
L2´
KE
11
12
14
B
A
-
+
4.1.6 T/R button
The T/R button activates different functions and editing modes depending on how long it is
pressed.
Overview
4.1.6.1 "RESET" function
The "RESET" function resets stored alarm states and disables the limit value hysteresis for that mo-
ment.
4.1.6.2 "TEST" function
The "TEST" function simulates an insulation fault for 5 seconds.
During this period, the device has the following states:
•
Display of the alarm value via the LEDs and the interface.
•
The relays switches when the alarm assignment "Test" has been activated.
•
The test status can be read out via the interface:
– 0 = no test, 1 = internal test (local), 2 = external test (interface)
•
t
on
and t
off
are set to 0 s for the duration of the test
Editing mode
Period
STATUS LED
RESET
1 s to 3 s
flashes yellow
TEST
3 s to 6 s
flashes red
NFC
6 s to 10 s
flashes blue
ADDR
10 s to 15 s
flashes green
PROTECT
20 s to 25 s
flashes violet
iso415R
T / R
Ran2 (k
Ω
)
Ext 700 400 200
100
70
40
20
10
5
Ran1 (k
Ω
)
Ext 1k 700 400
200
100
70
40
20
10
1k
100
10
1
k
Ω
2
AL
1
ON
AC/DC
k
Ω
L1
L2
E
L1´
L2´
KE
11
12
14
B
A
-
+
RESET
TEST
NFC
ADDR
1 s
3 s
6 s
10 s
20 s
PROTECT
25 s
ON | OFF
15 s
ON | OFF
T / R
