Samsung Ht As700 User Manual

21  Operating condition setting switches
Switch for termination resistance setting (DIP switch 1)
Switch for communication and program booting method setting 
(DIP switch 2)
Pin No.Pin 
settingDescriptionDIP Switch 1
43
ON ONFor RS-485 communication, set both pins 3 and 4 to On if the 
system is a termination station. (Enables termination for COM1 
terminal)
OFF OFFFor RS-485 communication, set both pins 3 and 4 to Off if the system 
is not a termination station. (Disables termination for COM1...

22
Power Supply Module
 Hardware features
1. Power status LED
Turns on when power is on.
2. Power fuse holder 
3. Terminal block
Terminal block for power wiring. Crimped terminal for M3.5 can be used. 
Detachable. 
4. Power input terminal
110-240V AC Free Voltage power input terminal (NX-PWR220 is only for 
220V ac).
5. Frame ground (FG) terminal
As a grounding terminal, it is connected to the metal part of the 
backplane. Use triple grounding to prevent electric shock.
6. Service power terminal (24V...

23  Specifications 
 Input typeAC input power DC input power
Catalog number
NX-POWERNX-PWR220NX-PWRDC 
Input rated voltage110 to 220V AC
Free Voltage220V AC 24V DC
Allowed voltage range 85 to 264V AC 176 to 264V AC 24V DC 
± 10 %
Input power frequency 47 to 63Hz
Inrush current 20A or less
Rated output current 5V 4.0A, 24V 0.5A 5V 6.0A 5V 3.0A
Fuse 250V 1.5A
Weight 350g 300g 320g
ATTENTIONNX-POWER module does not guarantee protection against 
momentary power failure at 110V ac.
ATTENTIONMake sure that...

24
I/O Modules 
 Hardware features
1. I/O Status LED
Shows I/O ON/OFF status.
2. Terminal block fixing screw
Fixes detachable terminal block on the unit.
3. Terminal block (20P, detachable terminal block)
Terminal block for I/O and power wiring. Crimped terminal for M3.5 can 
be used. See Terminal Block Type Module Wiring in Chapter 4.
4. Connector 32 points (40P x 1), Connector 64 points (40P x 2)
Connector for I/O contact and power wiring. Use harness for PIN type or 
flat cable. See Connector Type...

25
Input unit specifications
Internal circuit and wiring diagram
Product nameDC input module
Catalog numberNX-X16D
Number of input points 16 points 
Insulation method Photocoupler
Rated input voltage 12 to 24V
Operating voltage range 10.2 to 26.4V
Max. input current 10mA or less (for 24V)
ON voltage/current Min. 9.6V 
OFF voltage/current Max. 2.5V
Input impedance: Approx. 3 K
Ω
Response timeOFF → ON 10ms or less
ON → OFF 10ms or less
Internal current consumption (5V) 65mA or less
Common method 8...

26
Wiring diagram Internal circuit
Product nameDC input module
Catalog numberNX-X32D
Number of input points 32 points 
Insulation method Photocoupler
Rated input voltage 12 to 24V
Use voltage range 10.2 to 26.4V
Max. input current 10mA or less (for 24V)
ON voltage/current Min. 9.6V 
OFF voltage/current Max. 2.5V
Input impedance Approx. 3 K
Ω
Response timeOFF → ON 10ms or less
ON → OFF 10ms or less
Internal current consumption (5V) 130mA or less
Common method 32 points/1COM (Common for polarity +, -)...

27
Wiring diagram
Internal circuit
Same as NX-X32D. 
NThe connectors [I] and [II] have opposite orientation each other, so be 
careful with wiring. 
NThe COM terminal of the connector has a short inside of the unit. 
NFor wiring method, See Terminal Block Type Module Wiring in Chapter 4. 
NUse separate commercial cable harness (NX-CBLDC) and Pin Type Assy 
(CPL8890) for external connection.
NNC: No Connection
Product nameDC input module
Catalog numberNX-X64D
Number of input points 64 points 
Insulation...

28
Wiring diagram  Internal circuit
Product nameAC input module
Catalog numberNX-X16A110 NX-X16A220
Number of input points 16 points 
Insulation method Photocoupler
Rated input voltage AC 100 to 120V AC 200 to 240V
Operating voltage range AC 85 to 132V AC 170 to 264V
Max. input current 20mA or less
ON voltage/current Min. 80V/6mA  Min. 160V/6mA
OFF voltage/current Max. 30V/3mA  Max. 50V/3mA 
Input impedance Approx. 15K
ΩApprox. 20KΩ
Response timeOFF → ON 15ms or less
ON → OFF 20ms or less
Internal...

29
Output module specifications
Internal circuit and wiring diagram
NX-Y16R: No varistor
NX-Y16RV: Varistor
Product nameRELAY output module
Catalog numberNX-Y16R NX-Y16RV
Number of output points 16 points 
Insulation method Photocoupler
Rated load voltage 2A 250V AC, 2A 30V DC 
Response timeOFF → ON 10ms or less
ON → OFF 10ms or less
Life timeMechanical 30 million times
Electric 200 thousand times
External power supply 24V 150mA or less
Surge protection N/A Varistor
Internal current consumption (5V)...

30
Wiring diagram
Internal circuit
Same as NX-Y16RV. 
NThe COM terminal of the connector has a short inside of the unit. 
NFor wiring method, See Terminal Block Type Module Wiring in Chapter 4. 
NUse separate commercial cable harness (NX-CBLRY) and Pin Type Assy 
(CPL8890) for external connection.
Product nameRELAY output module
Catalog numberNX-Y32RV
Number of output points 32 points 
Insulation method Photocoupler
Rated load voltage 1A 250V AC, 1A 30V DC
Response
timeOFF → ON 10ms or less
ON → OFF 10ms...