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GSDA-AI-A8 P3 and P6 Terminal Block Hook-Up Diagram
NOTE: THE GSDA-AI-A8 DOES NOT SUPPLY LOOP "EXCITATION VOLTAGE". If the flowmeter, SCADA
system, etc. does not have a Loop Excitation supply, an external +9 to +36 VDC power source must be
provided, capable of at least 50mA for each of the two 4-20 mA Current Loops (Input and Output), as
shown in the diagram below. Additionally, if the Input and Output must be isolated from each other,
two excitation supplies may be needed.
P3
(Open = Manual)
1
2
3
P6
IronHorse GSDA-AI-A8 User Manual – 1st Edition – 06/13/2019
4-20 mA IN
+
(White)
Auto / Manual
Switch
GSDA-AI-A8 RELAY Output - Normally Closed
GSDA-AI-A8 RELAY Output - Normally Open
GSDA-AI-A8 RELAY Output - Common
-
+
- 4-20 mA IN
(Black)
- 4-20 mA OUT
(Black)
+
4-20 mA OUT
+
(White)
}
Form C
Relay Output
(Programmable)
+
-
CUSTOMER
SUPPLIED
IF NEEDED
9-36 VDC
EXCITATION
SUPPLY
-
CUSTOMER
SUPPLIED
IF NEEDED
+
-
9-36 VDC
EXCITATION
SUPPLY
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