User Manual

Installation and Wiring, Chapter 2
2.10 WATLOW Series 998 User’s Manual
Channel A Output Wiring
Figure 2.10a — AC Outputs
• Dual Electromechanical Relays without
Contact Suppression
Dual Form A, 2 Amps
Off-state impedance: 31MΩ
99 _ _ - _ _ E _ - _ _ _ _
• Dual Solid-state Relay without
Contact Suppression
Dual Form A, 0.5 Amps
Off-state impedance: 31MΩ
99 _ _ - _ _ K
_ - _ _ _ _
Figure 2.10b
— Dual Switched DC
99 _ _ - _ _ C _ - _ _ _ _
Figure 2.10c
— 0-20mA and 4-20mA Process
Load impedance: 800Ω max.
99 _ _ - _ _ F
_ - _ _ _ _
Figure 2.10d
— 0-5V
ÎÎ
, 1-5V
ÎÎ
and 0-10V
ÎÎ
(dc) Process
Load impedance: 500Ω min.
99 _ _ - _ _ F
_ - _ _ _ _
14
-
+
12
14
-
+
13
Fuse
COM
L1
13
External
Load
L2
NO
12
NO
14
External
Load
L2
1A
2A
12
13
14
External
Load 1A
-
+
-
+
+ VÎ
Internal Circuitry
12
13
14
1500
23.5 to 30.6VÎ (dc)
1500
External
Load 2A
Ω
Ω