User`s manual

Install and Wire, Chapter 2
9
WATLOW Series 945 User's Manual
Output 2 & Alarms
Output 2 - Mechanical Relay, 6 Amp, Form A
Figure 19 -
6 Amp Mechanical
Relay
NOTE:
This output is
supplied with an arc
suppression snubber
across the output
terminals. High
impedance loads may
remain energized
even though the
output device is
turned OFF.
Output 2 - Solid State Relay Without Contact Suppression
COM.
N.O.
External
Load
Fuse
L1
L2
15
14
Solid State Relay, Form A, 0.5 Amp
Off state impedance: 31MΩ max.
945A - _ _ K _ - _ 000
945A- _ _ _ 1 - _ 000
Alarm Output - Mechanical Relay, 6 Amp, Single Form A or B
For more information on alarms and alarm jumper selection,
see Chapter 5.
Figure 20 -
Solid State Relay
Without Contact
Suppression
Figure 21 -
Alarms
Option 1 Wiring.
15
14
N.O.
COM.
Fuse
L1
L2
External
Load
Off state impedance: 20KΩ min.
Suppression
945A - _ _ D _ - _ 000
Load
Fuse
L1
L2
26
27
Output #3
Off state impedance: 20KΩ min.
Suppression
Alarm Output - Mechanical Relay, 6 Amp, Dual Form A or B
945A- _ _ _ 2 - _ 000
Figure 22 -
Alarms
Option 2 Wiring.
Load
Fuse
L1
L2
Load
Fuse
L1
L2
24
25
26
27
Off state impedance: 20KΩ min.
Output #4
Output #3
Suppression