Installation
42
UDC3500 Universal Digital Controller Product Manual
3/07
1
Electromechanical relays are rated at 5 Amps @ 120 Vac or 240 Vac or 30 Vdc. Size fuses
accordingly. Use only Fast-Blo fuze types.
To terminal
16 (N.C.) or 18 (N.O.)
Relay #5 Load
1
Load
Supply
Power
28
29
30
31
32
33
34
35
36
N.C.
N.O.
11
12
13
14
16
17
18
15
10
To terminal
13 (N.C.) or 15 (N.O.)
Relay #4 Load
1
Load
Supply
Power
N.C.
N.O.
To terminal
10 (N.C.) or 12 (N.O.)
Relay #3 Load
1
Load
Supply
Power
N.C.
N.O.
Relay #3
Relay #4
Relay #5
Figure 2-24 Optional Electromechanical Relay Outputs
See Table 2-6 and Table 2-7 for other information about output types.
Configure:
A4S1TY = NONE
A4S2TY = NONE
2 Wire Transmitter
_
+
Input 1
Alarm 4
250
Ω
35 +
36 -
8 +
9 -
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.
1
1
Figure 2-25 Transmitter Power for 4-20 mA — 2 wire Transmitter Using Open
Collector Output
Configure:
A4S1TY = DEV
A4S1VAL = 9999
A4S1HL = HIGH
A4S2TY = NONE
OUTALG = CURRENT
Summary of Contents for UDC3500
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