Install / Wire
535-PROF User's Manual
Chapter 3
13
AC Power Input
Terminals 1 and 2 are for
power
. Terminal 9 is the
earth ground
.
Use a 0.5 Amp, 250 V, fast-acting fuse in line with your AC power connection.
Process Variable Input
The 535-PROF accommodates the following types of process variable inputs:
•
Thermocouple Input
•
RTD Input
•
Voltage Input
•
Milliamp Input with External Power Supply
•
Milliamp Input with Internal Power Supply
Each type of input can be wired for PV1 (terminals 31 and 32) or for PV2
(terminals 28 and 29).
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
17
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
PV 2-
PV2+
RTD 3rd
PV 1-
PV1 +
TOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
17
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
Screws must be tight to ensure good electrical connection
EARTH/
GROUND
POWER
Figure 3.4
AC Power Input Terminals
Figure 3.5
Process Variable Terminals
CAUTION
!
Do not run low power (sensor input)
lines in the same bundle as AC power
lines. Grouping these lines in the
same bundle can create electrical
noise interference.