Advertisement
P7640A,B DIFFERENTIAL PRESSURE SENSORS
WIRING (FIG. 1 THROUGH 3)
CAUTION
Equipment Damage Hazard.
Can damage the device beyond repair.
Disconnect power supply before installation.
NOTE: Wiring to the ZERO terminals is optional.
ZERO
PWR OUT COM ZERO
CONTROLLER,
METER OR
RECORDER
+
INPUT SIGNAL
–
COMMON
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
POLARIZED SECONDARY INDICATIONS FOR USE WITH DC POWER
SUPPLY ONLY.
DRY CONTACT TO AUTOMATICALLY ZERO THE SENSOR UPON
3
CLOSURE. (OPTIONAL)
Fig. 1. Wiring for voltage (Vdc) output.
P7640
PWR
+
–
COM
O
OUT
W7760A
OUT
OUT
OUT
OUT
OUT
1
2
3
4
17
18
19
20
21
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1
2
TEMPERATURE SIGNAL CONNECTIONS ARE NOT POLARITY SENSITIVE.
Fig. 3. Typical wiring for three-wire pressure sensor with Vdc output (used with the XL15A Controller).
62-0210—07
mA
VOLT
OUTPUT
3
–
+
L1
1
L2
–
+
P7640
PWR
+
–
COM
O
OUT
1
2
3
4
E
AI
AI
AI
GND
1
2
GND
OUT
OUT
OUT
DI
DI
DI
5
6
7
8
1
2
3
22
23
24
25
26
27
28
CAUTION
Equipment Damage Hazard.
Can damage the device beyond repair.
Do not apply power to output terminal. Permanent
equipment damage will result.
ZERO
RESPONSE
FAST/STD
JP8
UNITS
IN. W.C./PA
JP7
MODE
BI/UNI
JP5
VOLT
SV/10V
JP4
CONTROLLER,
METER OR
RECORDER
+
INPUT SIGNAL
2
–
COMMON
1
DRY CONTACT TO AUTOMATICALLY ZERO THE SENSOR
UPON CLOSURE. (OPTIONAL)
Fig. 2. Wiring for current (mA) output.
M27291
H76XX
+
+
Vin (Vac)
2
–
–
Gnd
O
Vo (0-10 Vdc)
5
6
7
8
9
10
AI
AI
AI
AI
AI
AI
3
4
GND
5
6
GND
24
24
DI
GND GND
VAC
VAC
VAC
4
COM
COM
29
31
32
L1
(HOT)
1
L2
2
PWR OUT COM ZERO
11
12
13
14
15
16
ANALOG
AI
AI
AI
AO
OUT
7
8
GND
GND
AO
AO
1
2
24
24
24
24
24
21
OUT
VAC
VAC
VAC
VAC
COM
VDC
OUT
33
34
35
36
37
38
39
M18302B
RESPONSE
FAST/STD
JP8
UNITS
IN. W.C./PA
JP7
MODE
BI/UNI
JP5
VOLT
mA
VOLT
SV/10V
OUTPUT
JP4
1
12 TO 30 Vdc
POWER SUPPLY
+
–
M27292
GND
E-BUS
E-BUS
40
41
42
43
44
Advertisement
