InteliATS
NT
PWR, SW version 1.0, ©ComAp – March 2009 68
IA-NT- PWR-1.0-Reference Guide R1.pdf
Mains and generator
Nominal frequency 50-60Hz
Frequency measurement tolerance 0,2Hz
Current inputs
Nominal input current (from CT) 5 A
Load (CT output impedance) < 0,1 Ω
CT input burden < 0,2 VA per phase (In=5A)
Max. measured current from CT 10 A
Current measurement tolerance 2% from the Nominal current
Max. peak current from CT 150 A / 1s
Max. continuous current 12 A
Voltage inputs
Measuring voltage range 0 – 277 VAC phase to neutral
0 – 480 VAC phase to phase
Maximal measured voltage 340 VAC phase to neutral
600 VAC phase to phase
Input resistance 0.6 MΩ phase to phase
0.3 MΩ phase to neutral
Voltage measurement tolerance 2 % from the Nominal voltage
Overvoltage class III / 2 (EN61010)
Binary inputs and outputs
Binary inputs
Number of inputs 7
Input resistance 4,2 kΩ
Input range 0-36 VDC
Switching voltage level for close contact indication 0-2 V
Max voltage level for open contact indication 8-36 V
Binary open collector outputs
Number of outputs 7
Maximum current 0,5 A
Maximum switching voltage 36 VDC
IL-NT RS232 interface (optional card)
Plugs into IA-NT controller COMMUNICATION MODULE port.
Maximal distance 10m
Maximum Speed Up to 57.6 kBd (DIRECT), 38.4kBd Analog
modem, 9.6 kBd digital modem, 57.6 kBd (MODBUS)
Recommend external converter:
ADVANTECH – ADAM 4520: RS232 to RS422/485 converter, DIN rail, automatic RS485 bus
supervision, no external data flow control signals, galvanic isolated.
Recommended internal converter:
ADVANTECH – PCL-745B or PCL745S: Dual port RS422/485 Interface card, automatic RS485 bus
supervision, no external data flow control signals, galvanic isolated
NOTE:
For details on all IA-NT extension and communication modules see IL-NT, IC-NT-Accessory Modules
manual.
To Next Page
Loading...
Need help?
General
