Figure 2-14 Transmitter Power For 4-20 Ma - 2 Wire Transmitter Using Auxiliary Output - Honeywell UDC2500 Product Manual

Installation
OUTPUT 3
If necessary, install a zener diode here to reduce voltage at the
1
transmitter. A 1N4733 will reduce the voltage at the transmitter to
approximately 25 Vdc.
Figure 2-13 Transmitter Power for 4-20 mA — 2 wire Transmitter Using Open
AUXILIARY OUTPUT
If necessary, install a zener diode here to reduce voltage at the
1
transmitter. A 1N4733 will reduce the voltage at the transmitter to
approximately 25 Vdc.
Figure 2-14 Transmitter Power for 4-20 mA — 2 Wire Transmitter
2 Wire Transmitter
1
5 +
6 -
Collector Alarm 2 Output
2 Wire Transmitter
1
+
12 +
13 -
Using Auxiliary Output
UDC2500 Universal Digital Limit ControllerProduct Manual
Configure:
A2S1TY = NONE
_
A2S2TY = NONE
+
26 +
250 Ω
27 -
INPUT 1
Configure:
AUXOUT = OUT
Auxiliary Output Calibration
_
ZEROVAL = 4095
SPANVAL = 4095
26 +
250 Ω
27 -
INPUT 1
xxxx
xxxx
26