Installation
12 UDC2300 Universal Digital Controller User Manual 4/00
L2 / N
L1
Neutral
Mains
power
supply
Hot
Ground
1
2
24856
PROTECTIVE BONDING (grounding) of this controller
and the enclosure in which it is installed, shall be in
accordance with National and Local electrical codes. To
minimize electrical noise and transients that may
adversely affect the system, supplementary bonding of
the controller enclosure to a local ground, using a No.
12 (4 mm
2
) copper conductor, is recommended.
Before powering the controller, see “Preliminary
Checks” in this section of the user manual for
switch and jumper settings.
1
2
Provide a switch and non-time delay (North America),
quick-acting, high breaking capacity, type F (Europe),
1/2 A, 250 V fuse(s), or circuit-breaker as part of the
installation.
Figure 2-5 Mains Power Supply
8
7
6
R
+
-
mV, Volts (except 0-10V),
Milliamperes, or Radiamatic
Thermocouple
Platinum
RTD
24857
8
7
6
R
+
-
mV, Volt,
or
Milliampere
Source
8
7
6
R
+
-
0 to 10 Volts
The voltage divider for 0 to 10
Volts is supplied with the
controller when the input is
specified. You must install it
when you wire the controller
before start-up. 1
Volt
Source
8
7
6
+
_
R
_
+
1
2
3
1 These inputs are wired differently than the UDC2000
RTD
1
Use
Thermocouple
extension wire
only
Figure 2-6 Input 1 Connections
15
16
+
0 to 20 mA,
4 to 20 mA,
0 to 5 Volts
1 to 5 Volts
_
24858
See “Preliminary Checks” in this
section of the User Manual for
jumper selections.
Figure 2-7 Input 2 Connections