S+ s- x, S+ s- b – Precision Digital PD662 User Manual
Page 12
PD662 Loop-Powered Meter
Instruction Manual
12
Figure 2. PD662 Input Connections without Backlight
Figure 3. PD662 Input Connections with Backlight
Figure 4. PD662 Heater Power Connections
A CSA Approved fuse rated min 30 VDC, 1 A, T and a
readily accessible switch or a circuit breaker shall be
provided to facilitate the disconnection of power to the
heater.
1
2
24 VDC
11 W max
P+ P-
-
+
S+ S- X
4-20 mA
Transmitter
Power
Supply
S+ S- B-
4-20 mA
Transmitter
Power
Supply