Watlow 945 Series - Page 10

Install and Wire, Chapter 2
10
WATLOW Series 945 User's Manual
Alarm/Retransmit
Mechanical Relay, 6 Amp, Form A or B/0 - 5VDC Retransmit
Figure 23 -
Alarm/Retransmit
Option 3 Wiring.
NOTE:
This output is sup-
plied with an arc
suppression snubber
across the output
terminals. High
impedance loads may
remain energized
even though the
output device is
turned OFF.
Figure 24 -
Alarm/Retransmit
Option 4 Wiring.
Process, 0-5VDC non-isolated
25
24
External
Load
-
+
+
-
Load impedance: 10KΩ min.
945A- _ _ _ 3 - _ 000
945A- _ _ _ 4 - _ 000
945A- _ _ _ 5 - _ 000
Figure 25 -
Retransmit
Option 5 Wiring.
0 - 5VDC Retransmit Output
Mechanical Relay, 6 Amp, Form A or B/4 - 20mA Retransmit
Load impedance: 10K min. for 4-20mA. Relay offstate impedance: 20K .
Load
Fuse
L1
L2
26
27
25
24
External
Load
-
+
+
-
Load impedance: 10KΩ min. for 0-5VDC. Relay offstate impedance: 20KΩ.
Load
Fuse
L1
L2
26
27
25
24
External
Load
-
+
IDC
+
-
945A- _ _ _ 6 - _ 000
4 - 20mA Retransmit Output
Figure 26 -
Retransmit
Option 6 Wiring.
25
24
External
Load
-
+
IDC
+
-
Load impedance: 600Ω max.