M-system 53U - SETTING EXAMPLES; SETTING INPUT CONFIGURATION; SETTING ANALOG OUTPUT

53U
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-6485-B Rev.21 P. 50 / 52
SETTING EXAMPLES
■ SETTING INPUT CONFIGURATION
Input system: Three-phase / 3-wire, unbalanced load
CT ratio: 300 A / 5 A
VT ratio: 6600 V / 110 V
Input Setting
(INPUT)
System configuration
(SYSTEM)
3P3W-UB : 3-phase/3-wire unbalanced
CT rating, primary
(CT-PRI)
300A
CT rating, secondary
(CT-SEC)
5A
VT rating, primary
(VT-PRI)
6600V
VT rating, secondary
(VT-SEC)
110V
Change Setting
(SETTINGS)
■ SETTING ANALOG OUTPUT
CH1: Voltage, 0 – 9000 V input, 4 – 20 mA output
CH2: Current, 0 – 150 A input, 4 – 20 mA output
CH3: Active power, 0 – 1715 kW, 4 – 20 mA output
CH4: Power factor, LEAD 0.5 – 1 – LAG 0.5, 4 – 20 mA output
Change Setting
(SETTINGS)
Analog Output Setting
(AOUT)
Assigned measurand
(INPUT)
CH1
Prorportional output
(LINEAR)
Input 0%
(IN0P)
0.00%
136.36% *
1
Input 100%
(IN100P)
U
Assigned measurand
(INPUT)
CH2
Prorportional output
(LINEAR)
Input 0%
(IN0P)
0.00%
50.00% *
2
Input 100%
(IN100P)
I
Assigned measurand
(INPUT)
CH3
Prorportional output
(LINEAR)
Input 0%
(IN0P)
50.00%
75.00% *
3
Input 100%
(IN100P)
P
Assigned measurand
(INPUT)
CH4
Prorportional output
(LINEAR)
Input 0%
(IN0P)
62.50%
87.50%
Input 100%
(IN100P)
T-PF
*1. 9000 = 1.36 x 6600 (primary VT rating)
*2. 150 = 0.5 x 300 (primary CT rating)
*3. 1715 kW = 75% of the full scale range -3429 to +3429 kW (6600 x 300 x 3 /
√
3 )
0 = 50% of the full scale range -3429 to +3429 kW.