CHARACTERISTICS
21
NV021 - Manual - 08 - 2012
4 F U N C T I O N C H A R A C T E R I S T I C S
4.1 HARDWARE
The following fi gure illustrates the basic structure of the relay.
hw.ai
RTC
EEprom
Flash
SRam
SRam
SPI
CPU
ETHERNET
CPU BOARD
POWER SUPPLY BOARD
INPUT MODULE
VTs
DSP
DUAL
PORT
≈
≈
≈
≈
EEprom
Thybus
RS485
RELAYS
K1...K6
Output contacts
RS232
MMI
LCD
LEDs
BINARY INPUTS
IN1
Input
IN2
BLOCK I/O
BLKIN
Input
BLKOUT
POWER SUPPLY
EXTERNAL
MODULES
+5 V
+10 V
0 V
+24 V
-10 V
POWER F
AIL
RESET
Uaux
hw.ai
RTC
EEprom
Flash
SRam
SRam
SPI
CPU
ETHERNET
CPU BOARD
POWER SUPPLY BOARD
INPUT MODULE
VTs
DSP
DUAL
PORT
≈
≈
≈
≈
EEprom
Thybus
RS485
RELAYS
K1...K6
Output contacts
RS232
MMI
LCD
LEDs
BINARY INPUTS
IN1
Input
IN2
BLOCK I/O
BLKIN
Input
BLKOUT
POWER SUPPLY
EXTERNAL
MODULES
+5 V
+10 V
0 V
+24 V
-10 V
POWER F
AIL
RESET
Uaux