Watlow Controls Series 998, User Manual

Page: 23 / 126

WATLOW Series 998 User’s Manual
2.11 Installation and Wiring, Chapter 2
Figure 2.11a
— AC Outputs
• Dual Electromechanical Relay without
Contact Suppression
Dual Form A, 2 Amps
Off-state impedance: 31M
Ω
99 _ _ - _ _ _ E - _ _ _ _
• Dual Solid-state Relay without
Contact Suppression
0.5 Amps
Off-state impedance: 31M
Ω
99 _ _ - _ _ _ K - _ _ _ _
Figure 2.11b
— Dual Switched DC
99 _ _ - _ _ _ C - _ _ _ _
Figure 2.11c
— 0-20mA and 4-20mA Process
Load impedance: 800
Ω
max.
99 _ _ - _ _ _ F - _ _ _ _
Figure 2.11d
— 0-5V Î Î , 1-5V Î Î and 0-10V Î Î (dc) Process
Load impedance: 500
Ω
min.
99 _ _ - _ _ _ F - _ _ _ _
Channel B Output Wiring
15
+
-
17
16
+
-
17
External
Load
COM
L1
L2
Fuse
NO 15
16
17 NO
External
Load
L2
1B
2B
15
16
17
Load
1b
Load
2b
-
+
-
+
+
V
Î
Internal Circuitry
15
16
17
23.5 to 30.6V Î (dc)
1500
1500
Ω
Ω