Figure 2-26 Transmitter Power For 4-20 Ma - 2 Wire Transmitter Using Second Current Output - Honeywell UDC3500 Product Manual

Installation
Second Current Output
1 If necessary, install a zener diode here to reduce voltage at the
transmitter. A 1N4733 will reduce the voltage at the transmitter to
approximately 25 Vdc.
Figure 2-26 Transmitter Power for 4-20 mA — 2 Wire Transmitter Using Second
42
2 Wire Transmitter
1
+
24 +
25 -
Current Output
UDC3500 Universal Digital Controller Product Manual
Configure:
CUROUT2 = OUT
Current Output #2 Calibration
_
ZEROVAL = 16383
SPANVAL = 16383
35 +
250 Ω
36 -
Input #1
10/05