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Honeywell T2798I2000 Manual page 10

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

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