FCI MT86 - Figure 3 - MT86 or MT86 HT Wiring Diagram; Figure 4 - GF90 Flow Element with Optional Isolator Module

MT86/MT86HT Flow Meter INSTALLATION
Fluid Components International LLC 7
Figure 3 – MT86 or MT86HT Wiring Diagram
Figure 4 – GF90 Flow Element With Optional Isolator Module
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ISOLATOR 1
+
-
IN
-
+
OU T
+
-
P2
ISOLATOR 2
OU T
+
-
-
+
IN
+
-
P2
mA/VOLT AGE
OUTPUT BD.
mA/VOLT AGE
OUTPUT BD.
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HEATER
ACTIVE
SENSOR
REFERENCE
SENSOR
1
C00126-2-1
HTR-
HTR+
ACT EXC
REF EXC
ACT SEN
REF SEN
GND SEN
GND
POWER SUPPLY
3
3
3 3
3
3
3
3
3
P1
TS1
OPTIONAL
OUTPUT
MODULES
ELECTRONICASSEMBLY
P7 & 8
P5 & 6
P3 & 4
P1 & 2
CONTROL BOARD
POWER
INPUT
TERMINAL ENCLOSURE
AT SENSORASSEMBLY
(TYPICAL WIRING FOR
ONE SENSE POINT)
8- OR 16-CONDUCTOR
CABLE SHIELDED
DUAL HEAD INPUT BOARD
1
CUSTOMER CONNECTIONS.
OPTIONAL OUTPUT MODULES:
1. TROUBLE INDICATOR BD: 6 AMP SPDT RELAY.
2. SWITCHPOINT BD: 2 AMP OR 10 AMP DPDT RELAY.
3. MILLIAMP DRIVER BD: 4-20 mA OR 10-50 mA.
4. VOLTAGE OUTPUT BD: 0-5, 1-5, OR 0-10 VDC.
CUSTOMER SHOULD GROUND OUTPUT NEG ATIVE AT CIRCUIT BD.
3
2
2
2
2
2
N/O B
POLE B
N/C B
N/O A
POLE A
N/C A
OUT +
OUT -
N/C
POLE
N/O
A.C. GND
A.C. NEUT
A.C. LINE
D.C.+
D.C.-
GND
CHASSIS
OPTIONAL
24 VDC INPUT
TS8
TS7
TS6
TS5
TS4
TS3
TS2
TS1
CONN NO.
4
8
7
6
5
HEAD NO.
3
2
1
BOARD
CONTRO L
mA/VO LTAGE
OUTPUT BD.
OUTPUT BD.
mA/VO LTAGE
IN
OUT
ISOL ATOR 1
OUT
ISOL ATOR 2
IN
GND SEN
GND
SHIELD
REF EXC
ACT EXC
HTR+
REF SEN
ACT SEN
(HEAD 1)
TS1
(HEAD 2)
TS2
HTR-
1
FLOW ELEMENT
ACTIVE SENSOR
HEATER
REFERENCE SENSOR
(IN LOCA L ENCLOSURE)
TERMINA L BLOCK
5
4
2
3
GND SEN
ACT EXC
REF SEN
ACT SEN
REF EXC
HTR-
HTR+
GND
N/C
OUT +
OUT -
N/C B
POLE B
N/O B
N/C A
POLE A
N/O A
POLE
N/O
ELECTRONIC ASSEMBLY
A.C. LINE
A.C. NEUT
A.C. GND
OPTIONAL
D.C. +
D.C. -
GND
CHASSIS
24VDC INPUT
OPTIONAL
OUTPUT
MODULES
OPTIONAL
4-20 mA OUTPUT ISOL ATOR MODULES
4 BOTH SENSE AND EXCITATION WIRES MUST BE RUN BETWEEN
THE SENSOR AND THE CIRCUIT BOARD FOR CORRECT OPERATION.
5 ALL WIRES ARE MARKED PER TERMINATION.
CUSTOMER CONNECTIONS
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FLOW ELEMENT
(HEAD 2 SHOWN)
1 TROUBLE INDICATOR BOARD: 6 AMP SPDT RELAY.
2 SWITCH POINT BOARD: 2 AMP OR 10 AMP DPDT RELAY.
3 MILLIAMP DRIVER BOARD: 4-20 mA OR 10-50 mA.
4 VOLTAGE OUTPUT BOARD: 0-5, 1-5, 0-10 VDC.
2 OPTIONAL OUTPUT MODULES:
3 INDICATES CUSTOMER CONNECTIONS.
1 CUSTOMER SHOULD GROUND OUTPUT NEGATIVE AT CIRCUIT BOARD OR AT RECEIVER
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C00905-1-1