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Series 18C/19C/25C Temperature/Process Controller
Relay, N.O.
Alarm Output
Option B: Relay, N.O.
Alarm Output
Option Description: NO (Normally open)
relay contact is closed when either alarm
is active.
The relay life is greater than 100,000
operations at 5 operations per second
switching full load.
*Connect load and supply voltage per the
following table:
Load Type
Resistive DC
Inductive DC
(L/R = 7 ms)
Tungsten Lamp, 360 W
Resistive AC
Inductive AC (pF = 0.4)
Motor, AC, 1/6 hp
–
OUTPUT 2
+
N.O.
Supply voltage*
N.O.
ALARM 1
Supply voltage*
N.O.
ALARM 2
L1
120-250 V
50-60 Hz
L2
5 A Voltage
Limit
30 Vdc
20 Vdc
120 Vac
250 Vac
150 Vac
250 Vac
C
3
4
5
6
C
7
8
C
9
21
22
1
0
RS-232
Communications
Option A: RS-232 (one-to-one)
Communications
Option Description: Provides a one-to-one
connection between the controller and an
RS-232 port. Computers, PLCs, or dumb
terminals may be used to set and access
controller data.
13
14
15
16
17
18
19
2
0
5
B(-)
A(+)
RCV
XMT
1
1
1
23
24
2
12
13
3
SIG GND
SIG GND
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