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IronHorse GSDA-AI-A8 User Manual –  1st Edition – 06/13/2019

IronHorse GSDA-AI-A8 General Information

Standard Features

• 

Plug-in option card (Slot 100 or 200)

• 

Auto/Manual Input (Dry contact)

• 

Optically isolated 4 to 20mA input, (Target Speed Reference)

• 

Optically isolated 4 to 20mA output, (Motor Actual Speed, Tach Driven)

• 

Programmable, form C Relay output, (Alarm 2)

Warranty

AutomationDirect, Inc. (ADC) warrants its products to be free from defects in material and 

workmanship. The exclusive remedy for this warranty is ADC factory replacement of any part or parts 

of such product which shall within 12 months after delivery to the purchaser be returned to ADC 

factory with all transportation charges prepaid and which ADC determines to its satisfaction to be 

defective. This warranty shall not extend to defects in assembly by other than ADC or to any article 

which has been repaired or altered by other than ADC or to any article which ADC determines has been 

subjected to improper use. ADC assumes no responsibility for the design characteristics of any unit 

or its operation in any circuit or assembly. This warranty is in lieu of all other warranties, express or 

implied; all other liabilities or obligations on the part of ADC, including consequential damages, are 

hereby expressly excluded.

NOTE: Carefully check the GSDA-AI-A8 for shipping damage. Report any damage to the carrier 

immediately. Do not attempt to install the card if visible damage is evident to either the circuit or to 

the electronic components.

GSDA-AI-A8 Overview

The GSDA-AI-A8 is an “option card” featuring an Optically-Isolated 4-20 mA Current Loop Input and 

an Optically-Isolated 4-20 mA Current Loop Output.  Both the input and output are Optically-Isolated 

from the GSD8 Drive, circuit common, earth ground, and from each other.  In addition, a non-isolated 

SPST switch input is provided.  In the typical application with a GSD8-240 drive, that switch is used 

to determine where the GSD8 Drive gets its “Target Speed” setting.  Additionally, the GSD8-240-5C-D, 

10C-D, and 10N4X drives have an “Auto/Manual” LED indicator which displays whether the source 

of the Target Setting comes from the 4-20 mA input (“Auto”) or from the “front panel” Target setting 

(“Manual”).  Both the input and output 4-20 mA loops require customer supplied 9-36 VDC loop 

excitation power supplies.
In “Manual” mode, the GSD8 Drive uses its normal Front Panel display and Up/Down buttons to set 

the Target Speed (or Time).  However, in “Auto” mode, the GSD8 Drive follows the GSDA-AI-A8’s 4-20 

mA Current Loop signal.  In either mode, the GSDA-AI-A8’s Current Loop Output provides a real-time 

updating 4-20 mA signal that represents the GSD8 Drive motor’s Actual (Tach) Speed.  This is primarily 

used by a SCADA system to provide “feedback” that the SCADA’s speed setting was received and acted 

upon by the GSD8 Drive.

Summary of Contents for IronHorse GSDA-AI-A8

Page 1: ...Page 1 IronHorse GSDA AI A8 User Manual 1st Edition 06 13 2019 GSDA AI A8 Analog Module User Manual User Manual Number GSDA AI A8...

Page 2: ...onments requiring fail safe performance such as in the operation of nuclear facilities aircraft navigation or communication systems air traffic control direct life support machines or weapons systems...

Page 3: ...ntents Warning 2 Trademarks 2 Publication History 2 GSDA AI A8 User Manual Overview 4 IronHorse GSDA AI A8 General Information 4 GSDA AI A8 Overview 5 How to Change a Parameter s Value 8 GSDA AI A8 So...

Page 4: ...tall maintain and or operate the GSDA AI A8 Analog Module Technical Support By Telephone 800 633 0405 Mon Fri 9 00 a m 6 00 p m E T On the Web www automationdirect com Our technical support group is g...

Page 5: ...e GSDA AI A8 for shipping damage Report any damage to the carrier immediately Do not attempt to install the card if visible damage is evident to either the circuit or to the electronic components GSDA...

Page 6: ...r Table for further details When the GSDA AI A8 is first installed and power applied the following message will appear on the display Configuration Change Card in slot 200 is not in stored configurati...

Page 7: ...wo 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 Form C Relay Output...

Page 8: ...If switch is OPEN or unconnected MD40 50 420 Target Speed will come from its Target Speed setting as usual if the switch is CLOSED MD40 50 420 Target Speed will follow the GSDA AI A8 4 20 mA Current L...

Page 9: ...2400 42 4mA Output Trim 600 6001 0 43 20mA Output Trim 600 6001 0 Read Only Real time Process Variables 70 Input Current to GSDA AI A8 0 4095 ADC Steps n a 71 Target Speed to Drive from GSDA AI A8 0 9...

Page 10: ...of the GSDA AI A8 s input range To return to the factory calibrated 4mA endpoint set this parameter to a value of zero 23 20mA Input Trim Used to compensate for minor inaccuracies in the overall syst...

Page 11: ...l 71 Target Speed to Drive from GSDA AI A8 This shows the instantaneous Target Speed that the GSDA AI A8 has calculated to make available to the GSD8 Drive in the GSD8 Drive s Engineering Units based...

Page 12: ...Page 12 IronHorse GSDA AI A8 User Manual 1st Edition 06 13 2019 Literature Number LT182 Drawing Number A 5 4165A...

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