Det-Tronics OPECL - Page 12

12 95-85561.1
24 VDC
+–
+
–
–24 VDC
–24 VDC
+24 VDC
+24 VDC
CALIBRATE
+ 4-20 MA
– 4-20 MA
RS-485 A
RS-485 B
RELAY POWER
FAULT
LOW ALARM
HIGH ALARM
1
2
3
4
5
6
7
8
9
10
11
12
13
NO USER CONNECTION
4 to 20 MA
B2050
*TOTAL LOOP RESISTANCE = 250 OHMS MINIMUM, 600 OHMS MAXIMUM.
*
24 VDC
+–
+
–
–24 VDC
–24 VDC
+24 VDC
+24 VDC
CALIBRATE
+ 4-20 MA
– 4-20 MA
RS-485 A
RS-485 B
RELAY POWER
FAULT
LOW ALARM
HIGH ALARM
1
2
3
4
5
6
7
8
9
10
11
12
13
NO USER CONNECTION
4 to 20 MA
B2051
*TOTAL LOOP RESISTANCE = 250 OHMS MINIMUM, 600 OHMS MAXIMUM.
*
Figure 11—Detector Wired for Non-Isolated 4 to 20 ma Current
Output (Sourcing)
Figure 10—Detector Wired for Non-Isolated 4 to 20 ma Current
Output (Sinking)
–24 VDC
–24 VDC
+24 VDC
+24 VDC
CALIBRATE
+ 4-20 MA
– 4-20 MA
RS-485 A
RS-485 B
NO USER CONNECTION
1
2
3
4
5
6
7
8
9
10
11
12
13
A219
6
Figure 8—Receiver Wiring Terminal Identification
–24 VDC
+24 VDC
NO USER CONNECTION
1
2
3
4
5
6
7
8
9
10
11
12
13
A2197
Figure 9—Transmitter Wiring Terminal Identification