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Page 10 of 18 APHITEMPCON001-11-04
II] T2798I2000 wiring with frequently used Actuators
A] WIRING DIAGRAM T2798I2000 WITH ML-7984
4 - 20 mA
2 - 10 VDC
NOTE:
DIRECT ACTING FUNCTION (ACTUATOR STEM MOVES
UPWARD WITH SIGNAL INCREASES) OR REVERSAL ACTING
FUNCTION (ACTUATOR STEM MOVES DOWNWAR DS WITH
SIGNAL INCREASES)
NTC20K
REMOTE
SENSOR
230V AC, 50Hz
TRANSFORMER
24VAC
A
/O
D
/I
Pt1000
sensor
0
V
A
C
2
4
V
A
C
50 / 60 Hz
OVAC
110VAC
230VAC
0VAC
24VAC
TRANSFORMER
2-10V DC DIRECT ACTING
10-2V DC REVERSE ACTING
ON
OFF
ON
OFF
DIP SWITCH CONFIGURATION
FUNCTION
DIP SWITCH OF ML 7984A
Ml7984
R
W
C
T6
T5
4 - 20 mA
2 - 10 VDC
B] WIRING DIAGRAM T2798I2000 WITH ML-7421
A
/O
D
/I
Pt1000
sensor
0
V
A
C
2
4
V
A
C
50 / 60 Hz
OVAC
110VAC
230VAC
PT1000
REMOTE
SENSOR
0VAC
24VAC
TRANSFORMER
230VAC, 50Hz
TRANSFORMER
24VAC
ML-7421
M
W2
W3
0-10V / 0-20mA
2-10V / 4-20mA
10V / 20mA
10V / 20mA
W1
W2
V
mA
100 50 0
0 0 0
%
ML-7421
1 2 3 4 5 6 7 8