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Appendix A
Specifications
102
Input/Output Ratings
Relay Contact Output
(Incorporating a G6B Relay)
Item
Resistive load (cos
f
= 1)
Inductive load (cos
f
= 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
m
A max.
BCD Output
I/O signal name
Item
Rating
Inputs
REQUEST, HOLD, MAX, MIN,
RESET
Input signal
No-voltage contact input
Q
,
,
,
,
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,
DATA VALID RUN
Rated load voltage
12 to 24 VDC
+10%
/
-15%
,
,
,
DATA VALID, RUN
Max. load current
10 mA
Leakage current
100
m
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
W
max.
500
W
min.
1 K
W
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 K3NP
Comparative set value, prescaling value, remote/local programming, reset control of
maximum/minimum values, and other setting mode items excluding
communications conditions.
Read from
K3NP
Process value, comparative set value, maximum value, minimum value, model
data, error code, and others
For details, refer to
Communication Operation Manual.
Summary of Contents for K3NP
Page 1: ...K3NP Period Meter Operation Manual Produced January 1998...
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