Line of Sight Infrared Hydrocarbon Gas Detector AutroPath HC800 , 116-P-HC800/IGB, Rev. A, 2016-03-03
P/N 95-8744, v4.2 , rev. 3/16
Autronica Fire and Security AS
Page 21
24 VDC
+
–
+
–
4 to 20 MA
B2649
*
TOTAL LOOP RESISTANCE = 250 OHMS MINIMUM, 600 OHMS MAXIMUM.
NOTE: SHIELDED CABLE RECOMMENDED (REQUIRED FOR ATEX).
*
+mA
INTR GND
RS-485 A
INTR A
SHIELD
SHIELD
+24 VDC
SPARE
+24 VDC
11
12
13
14
15
16
17
18
19
–mA
CAL
RS-485 B
INTR B
SHIELD
SHIELD
0V COM
0V COM
0V COM
1
2
3
4
5
6
7
8
9
HART
Figure 16—Receiver Wired for non-isolated 4-20 ma
current output (Sinking)
24 VDC
+
–
+
–
4 to 20 MA
B2650
*
TOTAL LOOP RESISTANCE = 250 OHMS MINIMUM, 600 OHMS MAXIMUM.
NOTE: SHIELDED CABLE RECOMMENDED (REQUIRED FOR ATEX).
*
+mA
INTR GND
RS-485 A
INTR A
SHIELD
SHIELD
+24 VDC
SPARE
+24 VDC
11
12
13
14
15
16
17
18
19
–mA
CAL
RS-485 B
INTR B
SHIELD
SHIELD
0V COM
0V COM
0V COM
1
2
3
4
5
6
7
8
9
HART
Figure 18—Receiver Wired for non-isolated 4-20 ma
current output (Sourcing)
24 VDC
+
–
24 VDC
+
–
+
–
4 to 20 MA
B2651
*
TOTAL LOOP RESISTANCE = 250 OHMS MINIMUM, 600 OHMS MAXIMUM.
NOTE: SHIELDED CABLE RECOMMENDED (REQUIRED FOR ATEX).
*
+mA
INTR GND
RS-485 A
INTR A
SHIELD
SHIELD
+24 VDC
SPARE
+24 VDC
11
12
13
14
15
16
17
18
19
–mA
CAL
RS-485 B
INTR B
SHIELD
SHIELD
0V COM
0V COM
0V COM
1
2
3
4
5
6
7
8
9
HART
Figure 17—Receiver Wired for isolated 4-20 ma current output
(Sinking)
24 VDC
+
–
24 VDC
+
–
B2652
*
TOTAL LOOP RESISTANCE = 250 OHMS MINIMUM, 600 OHMS MAXIMUM.
NOTE: SHIELDED CABLE RECOMMENDED (REQUIRED FOR ATEX).
+
–
4 to 20 MA
*
+mA
INTR GND
RS-485 A
INTR A
SHIELD
SHIELD
+24 VDC
SPARE
+24 VDC
11
12
13
14
15
16
17
18
19
–mA
CAL
RS-485 B
INTR B
SHIELD
SHIELD
0V COM
0V COM
0V COM
1
2
3
4
5
6
7
8
9
HART
Figure 19—Receiver Wired for isolated 4-20 ma current output
(Sourcing)
