Omron K3NH, Operation Manual

Page: 110 / 120

Appendix A
Specifications
104
Input/Output Ratings
Relay Contact Output
(Incorporating a G6B Relay)
Item Resistive load (cos
φ
= 1) Inductive load (cos
φ
= 0.4, L/R = 7
ms)
Rated load 5 A at 250 VAC; 5 A at 30 VDC 1.5 A at 250 VAC, 1.5 A at 30 VDC
Rated carry current 5 A max. (at COM terminal)
Max. contact voltage 380 VAC, 125 VDC
Max. contact current 5 A max. (at COM terminal)
Max. switching capacity 1,250 VA, 150 W 375 VA, 80 W
Min. permissible load
(P level, reference value) 10 mA at 5 VDC
Mechanical life 50,000,000 times min. (at a switching frequency of 18,000 times/hr)
Electrical life
(at an ambient temperature of 23
°
C)
100,000 times min. (at a rated load switching frequency of 1,800 times/hr)
Transistor Output
Rated load voltage 12 to 24 VDC
+10%
/
–15%
Max. load current
50 mA
Leakage current
100
µ
A max.
BCD Output
I/O signal name Item Rating
Inputs REQUEST, HOLD, MAX, MIN, Input signal No-voltage contact input
RESET
Input current with no-voltage input 10 mA
Signal level ON voltage: 1.5 V max.
OFF voltage: 3 V min.
Outputs
DATA, POLARITY, OVERFLOW,
Rated load voltage 12 to 24 VDC
+10%
/
-15%
DATA VALID, RUN
Max. load current 10 mA
Leakage current 100
µ
A max.
Note Logic method: negative logic
Linear Output
Item 4 to 20 mA 1 to 5 V 1 mV/10 digits (see note)
Resolution 4,096
Output error
±
0.5% FS
±
1.5% FS
Permissible load resistance 600
Ω
max. 500
Ω
min. 1 K
Ω
min.
Note For the 1 mV/10-digit output, the output voltage changes for every 40 to 50 increment in the display value.
Communications
Item RS-232C, RS-422 RS-485
Transmission method 4-wire, half-duplex 2-wire, half-duplex
Synchronization method Start-stop synchronization
Baud rate 1,200/2,400/4,800/9,600/19,200/38,400 bps
Transmission code ASCII (7-bit)
Communicatio
ns Write to K3NH Comparative set value, prescaling value, remote/local programming, reset control of
maximum/minimum values, and other setting mode items excluding
communications conditions.
Read from
K3NH Process value, comparative set value, maximum value, minimum value, model
data, error code, and others
For details, refer to Communication Operation Manual.
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