X1-19:20
Power supply in, Either 85 – 265 VAC/DC (model H) or 18 – 75 DC (model L), Positive side (+) to pin X1:20
GND
Relay grounding connector
By default combination CPU, IO and Power supply module is included in the IED which includes two
standard communication ports and basic binary IO of the relay.
Binary inputs current consumption is 2 mA when activated and the operating voltage range is
24V/110V/220V depending on ordered hardware. All binary inputs are scanned in 5 ms
program cycle and have software settable pick-up and release delay and software settable
NO/NC (normally open/-closed) selection.
Binary outputs control is settable from the software. As standard binary outputs are controlled
in 5 ms program cycle. All output contacts are mechanical type. Rated voltage of the NO/CO
outputs is 250VAC/DC.
Auxiliary voltage shall be de ned in the ordering code of the device, either H (85-265 VAC/DC) or L
(18-75DC) model power supplies are available. Power supply minimum allowed bridging time for all
voltage levels is > 150ms. Power supply maximum power consumption is 15W max. Power supply
allows DC ripple of <15 % and start-up time of power supply is < 5ms. Further details refer to the
“Technical data” section of this document.
Settings and scanning cycle of digital inputs
Table. 8.2. - 237. CPU card binary input settings
Name
Description
Range
Step
Default
DIx Polarity
De nes if binary input status is 1 or 0 when the input is
energized
0:NO (Normally
open)
1:NC (Normally
closed)
-
0:NO
DIx Activation
delay
De nes the delay for status change from 0 to 1
0.000…1800.000 s
0.001
s
0.000 s
DIx Drop-off time
De nes the delay for status change from 1 to 0
0.000…1800.000 s
0.001
s
0.000 s
DIx AC Mode
Adds 30 ms deactivation delay to account for alternating
current.
0:Disabled
1:Enabled
-
0:Disabled
Binary inputs are scanned in 5 millisecond cycle. This makes the state of input to be updated between
0…5 milliseconds. When input is used internally in IED (group change or logic) it takes additional 0…5
milliseconds to operate. So in theory when binary input is used for group control or similar it takes 0…
10 milliseconds to change the group. In practice the delay is between 2…8 milliseconds about 95% of
the time. In case the binary input is connected directly to binary output (T1…Tx) it takes additional third
5 millisecond round. When binary input is controlling internally binary output it takes 0…15 milliseconds
in theory and 2…13 milliseconds in practice. This delay excludes the mechanical delay of the relay.
AQ-T257
Instruction manual
Version: 2.00
© Arcteq Relays Ltd
312
