3. Installation and wiring
3.2. Wiring
50 Analog Input Module 2MLF-AV8A, AC8A User's Guide R200
Honeywell September 2010
2MLF-AC8A
1. Use a 2-core twisted shielded wire. AWG 22 is recommended for the cable
standard.
a) 2MLF-AC8A’s input resistance is 250Ω (typical).
b) 2MLF-AV8A’s input resistance is 1MΩ (minimum).
2. Enable (Run) only the channels those are used and disable the rest to maintain best
overall conversion speed.
3. Analog input module does not provide power for the input device. Use an external
power supply.
Wiring example of 2-wire sensor/transmitter (current input)
+
R
2-Wire ???
2-Wire ???
-
CH0
CH7
+
-
R
R
R
DC
+
-
DC
+
-
*3
R
R
*2
*2 *3
*1
*1
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