SYSTEM-10 BTU METER
ONICON Incorporated 727.447.6140
Page 27 onicon.com
3.3.2.9 Input Signal Connections From F-4600 (LCD Versions) Flow Meters
J1
D5 C5
R3
R5
R1
C4
U2
C6
U1
C3
C1
D6
C2
5
G
60HZ
1
J2-1
+15
+24
J2-12
G
G
10
R7
H3
R1
LED1
T1
D1
D2
VAR1
F1
TB1
D4
D3
H1
1
SUPPLY
RETURN
SIGNAL
SHIELDS
REFERENCE
SIGNAL
REFERENCE
TEMPERATURE INPUTS
SHIELD
4-20mA +
4-20mA -
ALARM -
ALARM +
SUPPLY COMMON -
24 VDC
TOP TURBINE
DIRECTION -
FRE
FREQUENCY -
DIR
FLOW METER INPUTS
4-20mA +
SCALED -
AUXILIARY FLOW METER SIGNALS
ISOLATED ANALOG COMMON -
ANALOG COMMON -
0-10 VDC +
BOTTOM TURBINE
1
2
4
3
T1
2
1
3
4
5
MODE STATUS
MODE 2
MODE 1
1
7
6
8
10
11
9
13
14
15
16
18
17
12
-
+
+
-
+
BTU RATE
ANALOG OUTPUT
ANALOG OUTPUT
ANALOG OUTPUT
SUPPLY TEMP
RETURN TEMP
-
+
+
ALARM
-
OUTPUT
ANALOG OUTPUT
FLOW RATE
ANALOG OUTPUT
DELTA T
-
1
5
10
15
20
BTU METER OUTPUTS
BTU CONTACT OUTPUT
BTU CONTACT OUTPUT
-
+
INDICATOR
FLOW
15 V PULSE
RUN
TEST
60 HZ
S1
LED1
25
30
35
40
45
H2
5
13
11
7
6
5
8
10
12
4
2
T4
9
3
6
5
4
3
2
1
T5
T3
3
9
2
4
12
10
8
5
6
7
11
13
1
SYS-10
T4
FLOW METER INPUTS CONNECTIONS
SHIELD
SYS-10 INTERNAL CIRCUIT BOARD
(+) 4-20 mA
(-) 4-20 mA
TB1
L1 (+)
POWER SUPPLY
1
N (-)
PROTECTIVE EARTH GROUND
CLASS 2
L1
N
NOT USED
24 VOLTS
(+) 24 VDC SUPPLY
(-) SUPPLY COMMON
2
10
9
H5
SERIAL
TB3
TB2
H3
TB8
TB7
TB6
TB5
SW6 SW7 SW2
SW1
C34
C33
R6
DS3
R8 H2
SERIAL
2
1
GRD
DS2
R60
3
JMP5
1
CAUTION
I SIDE UP CR2032 BATTERY
BAT1
Internal RTD
(Flow)
External RTD
24V AC/DC (+)
24V COMMON (-)
AUX 1 (+)
AUX 1 (-)
AUX 2 (+)
AUX 2 (-)
AUX 3 (+)
AUX 3 (-)
RS485 (+)
RS485 (-)
RS485 COMMON
TB1
TB4
RS485 Termination
1 - 2 = 120 Ω
2 - 3 = None
4
3
21
4
3
21
1
2
3
4
5
6
7
8
1
2
3
1 2 1 2 1 2 1 2
F-4600 LCD INTERNAL CIRCUIT BOARD
24V AC/DC (+)
24V COMMON (-)
AUX 1 (+)
AUX 1 (-)
AUX 2 (+)
AUX 2 (-)
AUX 3 (+)
AUX 3 (-)
TB1
3
2
4
8
5
6
7
1
1.
Class 2 power supply requirement (input voltage is not field selectable):
•
24 VAC: 20-28 VAC, 50/60 Hz, 12 VA
•
120 VAC: 108-132 VAC, 50/60 Hz, 15 VA
•
240 VAC: 207-253 VAC, 50/60 Hz, 15 VA
2.
Refer to F-4600 LCD Series IOM for additional wiring information.