Spirax Sarco RIM20 - DC Powered Meter Wiring; Ac Powered Meter Wiring

IM-P198-05 MI Issue 2 71
R load,
250 ohm
minimum
+
_
DC
Power
Supply
Remote Connection
for Communicator
Field Connection
for Communicator
Current
Meter
Turbine Meter
4-2 0
mA 3
4-2 0
mA 1
DC P WR
+ - +
4-2 0
mA 2
- + - +
R S 485
R S 485
R S 485 G ND
-
OP TIO N 2
+
AL AR M
2
P ULS E
OUT
F R E Q
OUT
+ - +
AL AR M
1
-+ -
4
OP TIO N 1
1 2 3 15 2 3
AL AR M
3
- + -
4 5
+
-
R load,
250 ohm
minimum
Remote Connection
for Communicator
Field Connection
for Communicator
Current
Meter
Turbine Meter
4-2 0
mA 3
A
C
P WR
I
N
4-2 0
mA 1
24
V DC O
U
T
+ -
+
4-2 0
mA 2
- +
- +
R S 485
R S 485
R S 485 GN D
-
OP TIO
N 2
+
AL AR M
2
HO T
P ULS
E
OUT
NE U T
F R
E
Q
OUT
+ - +
AL A
R
M
1
-+ -
4
OP TI
O
N
1
1 2 3 15 2
3
AL A
R M
3
- + -
4 5
+
-
R load,
250 ohm
minimum
+
_
d c
Power
Supply
Remote Connection
for Communicator
Field Connection
for Communicator
Current
Meter
Turbine Meter
4-2 0
mA 3
4-2 0
mA 1
DC P WR
+ - +
4-2 0
mA 2
- + - +
R S 485
R S 485
R S 485 G ND
-
OP TIO N 2
+
AL AR M
2
P ULS E
OUT
F R E Q
OUT
+ - +
AL AR M
1
-+ -
4
OP TIO N 1
1 2 3 15 2 3
AL AR M
3
- + -
4 5
+
-
R load,
250 ohm
minimum
Remote Connection
for Communicator
Field Connection
for Communicator
Current
Meter
Turbine Meter
4-2 0
mA 3
A
C
P WR
IN
4-2 0
mA 1
2
4
V DC O
U
T
+ - +
4
-20
mA 2
- + - +
R S 485
R S 485
R S 485 GN D
-
O
P TIO
N 2
+
A
LAR M
2
HO T
P ULS
E
O
UT
NE U T
F R
E Q
OUT
+ - +
A
LA
R
M
1
-+ -
4
OP TION
1
1 2 3 15 2
3
AL A
R M
3
- + -
4
5
+
-
5.2.2 dc Powered Meter Wiring
5.2.3 ac powered meter wiring
Fig. 50 ac powered meter wiring (HART)
Fig. 49 dc powered meter wiring (HART)
Field connection for
communicator
Remote
connection for
communicator
Turbine
meter
Current
meter
R load,
250 ohm
minimum
Current
meter
Turbine
meter
R load,
250 ohm
minimum
dc
power
supply
Field connection for
communicator
Remote
connection for
communicator