Ashcroft 2074 - WIRING DIAGRAM (Line Powered;Loop Powered 4-20 mA with 2 SPDT Switches)

– 28 –
LOOP+
LOOP–
T7
D9
D7
Y1
D10
C14
T9
U5
V1
F1D1
C3
C7
R7
R2
J1
1
1
J6
C2
R22
R20 C17
D11
U7
D14
D1
C15
R18
D5
R23
R24
D13
R14 R16
J3
J7
1
Q4
D16
D6
D15
D3
D12
T10
T12
T11
+24V
GND
EGN D
FID3
321CO21–
D8
Q2
J5
J3
C4
R9 R1 0 R1 1 R1 2 R1 3
Q1
C10
C9
R6
C5
L1
U4
FO7
R8
FID4
V2
R1
R5
C12
C13
C1
R4
C6
C8
DQ/TB 2003
Y2
J2
T4
T6
T5
FID2
C11
K1
K2
K2
D2
T3
T2
T1
V6
R21
ISO1
R15
ISO2
Q3
T8
ECND
FID6
FID5
R17
R19
Red Q
Black R
(N.O .) B lu e
(N.C .) O ran g e
(COM) Br ow n
(N.C.) Vi o l et
(N.O .) Ye ll o w
(COM) Gre y
Shiel d
Green
Whit e
Battery Input
Ke ypad Input
Sensor Input
(-exec.) S
(+exec.) T
SWITCH 1
SWITCH 2
Line Powered/Loop Powered 4-20mA with (2) SPDT switches
(Type 2274 XAOU2) 10 conductor, 22 AWG shielded
+
+
–
POWER
SUPPLY
(+)
(–)
(–)
METER
PLC SCADA
GAUGE
–
V+
V–
White (T)
(+)
Red (Q)
Green (S)
Black (R)
Switch 1
Blue (NO)
Orange (NC)
Brown (Common)
•
Switch 2
Violet (NC)
Yellow (NO)
Grey (Common)
•
WIRING DIAGRAM
I&M008-10109-DIG Rev F 07-12_layout 10/14/13 9:45 AM Page 28