PXU100B0 Datasheet, PDF (7/32 Pages) Red Lion Controls. Inc – MODEL PXU - TEMPERATURE/PROCESS CONTROLLERS

3.0 Wiring the Controller
WIRING CONNECTIONS
All wiring connections are made to the rear screw terminals.
When wiring the controller, use the numbers on the label and
those embossed on the back of the case, to identify the position
number with the proper function.
All conductors should meet voltage and current ratings for
each terminal. Also, cabling should conform to appropriate
standards of good installation, local codes and regulations. It is
recommended that power (AC or DC) supplied to the controller
be protected by a fuse or circuit breaker. Strip the wire, leaving
approximately 1/4" (6 mm) bare wire exposed (stranded wires
should be tinned with solder). Insert the wire under the clamping
washer and tighten the screw until the wire is clamped tightly.
L₁
AC 100-240V
50/60 Hz
5VA
N
2
+¹³
User1
-₁₄
+ ³ ₊¹⁵
-
OP 2 / AL 3 _-User 2
4 16
7
8
AL2
9
AL1
10 RTD
+
5 _D+17
11 + +
Tc
OP 1 RS-485
IN
-
D-
6 18 12 - -
AC 100~240V
50/60 Hz ~
5VA
L
N
1
2
NO ₃
AL 1 _{&200 4}
NO ₅
AL 2 ^&200 6
NC ₇
+ NO ₈
OP 1
-
&200 ₉
10
+ + ₁₁
IN Tc
- - 12
13 ^D-
RS-485
14 _D+
15
16
17
18 +
19 ^{Use-r 2}
20 +
User 1
21 -
22 ^{&200 -}
23 OP 2/ AL 3
24 _{NO +}
CONTROLLER POWER CONNECTIONS
For best results, the power should be relatively “clean” and within
the specified limits. Drawing power from heavily loaded circuits or
from circuits that also power loads that cycle on and off should be
avoided. It is recommended that power supplied to the controller be
protected by a fuse or circuit breaker.
1/16 DIN
VAC
L
1
AC 100-240V
50/60 Hz
5VA
2
N
1/8 or 1/4 DIN
VDC
DC 24V 1
+
0V ²
_
INPUT CONNECTIONS
For two wire RTDs, install a copper sense lead of the same gauge and length
as the RTD leads. Attach one end of the wire at the probe and the other end to
input common terminal. This is the preferred method as it provides complete
lead wire compensation. If a sense wire is not used, then use a jumper. A
temperature offset error will exist. The error may be compensated by
programming a temperature offset.
RTD and Resistance
Thermocouple and Millivolt
Voltage and Current
10
11
TC+
11
DC+ VOLTAGE/CURRENT
11
12
TC-
12
DC- VOLTAGE/CURRENT
12
CONTROL AND ALARM OUTPUT CONNECTIONS
Alarm 1 and 2 * (1/16 DIN Shown)
OP1/OP2 Output Control Relay *
COMM
AL 2
NO
AL 1
NO
LOAD
LOAD
AC/DC
Power (-)
AC/DC
Power (+)
NO (+)
COMM (-)
LOAD
AC/DC
Power
OP1 Output Control Logic/SSR *
NO (+)
COMM (-)
+ _SSR AC
POWER
- ^UNIT AC
AC Power
OP1 Output Control Analog *
NO (+)
COMM (-)
IN +
ANALOG INPUT
CONTROL
IN -
DEVICE
USER INPUT CONNECTIONS *
+
User 1
-
+
User 2
-
RS 485 CONNECTIONS *
D-
RS-485
D+
-
RS485
RECEIVING
+ ^DEVICE
* See unit label for terminal identification.
7