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47DR OPERATING MANUAL EM-9509-B Rev.7
1.7.5 WIRING EXCITATION SUPPLY
+12 V or +24 V voltage is output depending on the specified excitation supply code.
CODE
OUTPUT VOLTAGE
CURRENT RATING
SHORTCIRCUIT PROTECTION
CURRENT LIMITED
PROTECTED TIME DURATION
1
12 – 16 V DC with no load
10.8 V DC minimum at 80 mA
≤ 84 mA DC
90 mA max.
No limit
2
24 – 28 V DC with no load
22 V DC minimum at 20 mA
≤ 22 mA DC
30 mA max.
No limit
IMPORTANT
• Connect a device with the current rating within the specifications.
• Do not connect anything when the excitation supply is not used.
• Besides using the excitation supply together with the input, these terminals can be used as independent sensor excita-
tion. Be aware that the excitation supply is not isolated with the input.
Excitation supply code: 1, 2
+
–
5
6
Excitation supply
■
CONNECTION EXAMPLES
+24 V (+12V)
Transmitter
Other sensor
1
2
3
4
5
6
–
+
–
+
Ground
(resistance
100 ohms
or less)
RTD
A
B
B
