Measuring Ranges; Input/Output Ratings - Omron K3MA-J Manual

Characteristics
Input signal
A/D conversion
Sampling period
Display refresh period
Max. displayed digits
Display
Polarity display
Zero display
Scaling function
Hold function
Hysteresis setting
Other functions
Output
Delay in comparative outputs
Degree of protection
Memory protection

Measuring Ranges

Process Voltage/Current Inputs
Input
DC voltage 1.000 to 5.000 V
0.000 to 5.000 V
–5.000 to 5.000 V
–10.00 to 10.00 V
DC current 4.00 to 20.00 mA/
0.00 to 20.00 mA

Input/Output Ratings

Relay Contact Output
Item
Rated load (UL ratings)
Rated carry current
Max. contact voltage
Max. contact current
Max. switching capacity
Min. permissible load
(P level, reference value)
Mechanical life
Electrical life
(at an ambient temperature of 20 C)
DC voltage/current (0 to 20 mA, 4 to 20 mA, 0 to 5 V, 1 to 5 V, 5 V, 10 V)
Double integral method
250 ms
Sampling period (sampling times multiplied by number of measurements for averaging if average pro-
cessing is selected.)
5 digits ( 19999 to 99999)
7-segment digital display, Character height: 14.2 mm
" " is displayed automatically with a negative input signal.
Leading zeros are not displayed.
Programmable with front-panel key inputs (range of display: 19999 to 99999). The decimal point po-
sition can be set as desired.
Max. hold (maximum value), Min. hold (minimum value)
Programmable with front-panel key inputs (0001 to 9999).
Forced-zero (with front-panel key)
Zero-limit
Scaling teach function
Display color change (green (red), green, red (green), red)
OUT type change (upper limit, lower limit, upper/lower limit)
Average processing (simple average)
Relays: 2 SPST-NO
750 ms max.
Front panel: NEMA4X for indoor use (equivalent to IP66)
Rear case: IEC standard IP20
Terminals: IEC standard IP00 + finger protection (VDE0106/100)
Non-volatile memory (EEPROM) (possible to rewrite 100,000 times)
Measuring range Measuring accuracy
0.1% FS 1 digit max.
(at 23 3 C)
0.1% FS 1 digit max.
(at 23 5 C)
0.1% FS 1 digit max.
(at 23 3 C)
Resistive load (cos = 1)
5 A at 250 VAC, 5 A at 30 VDC
5 A max. (at COM terminal)
250 VAC, 150 VDC
5 A (at COM terminal)
1,250 VA, 150 W
10 mA at 5 VDC
5,000,000 times min. (at a switching frequency of 1,200 times/min)
100,000 times min. (at a rated load switching frequency of 10 times/min)
Input impedance
1 M min. –19999 to 99999
(with scaling function)
45
Inductive load (cos = 0.4, L/R=7 ms)
1.5 A at 250 VAC, 1.5 A at 30 VDC
250 VA, 30 W
K3MA-J
Process Meter
Displayable range
3