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IronHorse GSD4A / GSD4 DC Drives User Manual – 2nd Ed. Rev. A – 10/14/2019

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GSD4A/GSD4 Series DC Drives User Manual

User Manual Number: IH-GSD4_UMP

GSD4A-240-xC

GSD4-24x-xC

GSD4-240-10N4X

Summary of Contents for IRONHORSE GSD4 Series

Page 1: ...Page 1 IronHorse GSD4A GSD4 DC Drives User Manual 2nd Ed Rev A 10 14 2019 GSD4A GSD4 Series DC Drives User Manual User Manual Number IH GSD4_UMP GSD4A 240 xC GSD4 24x xC GSD4 240 10N4X ...

Page 2: ... operation of nuclear facilities aircraft navigation or communication systems air traffic control direct life support machines or weapons systems in which the failure of the product could lead directly to death personal injury or severe physical or environmental damage High Risk Activities AutomationDirect specifically disclaims any expressed or implied warranty of fitness for High Risk Activities...

Page 3: ...w 4 IronHorse GSD4A Series DC Drives General Information 5 IronHorse GSD4 Series DC Drives General Information 6 Selection and Specifications GSD4A Series DC Drives 8 Selection and Specifications GSD4 Series DC Drives 9 Dimensions 10 Installation Wiring External Fusing GSD4A GSD4 Models 11 Start Up 21 Trim Pot Adjustments 21 Troubleshooting GSD4A GSD4 23 GSD4A Series Accessories 26 GSD4 Series Acc...

Page 4: ... for those who will install maintain and or operate any of the GSD4A GSD4 Series DC Drives Technical Support By Telephone 770 844 4200 Mon Fri 9 00 a m 6 00 p m E T On the Web www automationdirect com Our technical support group is glad to work with you in answering your questions If you cannot find the solution to your particular application or if for any reason you need additional technical assi...

Page 5: ... tachometer feedback 6V at base speed Inhibit circuit permits start stop without breaking AC lines Shunt field supply provided Voltage following and DC tach feedback require the GSDA AI V4A analog option card GSD4A Control Features MINIMUM SPEED Allows adjustment of the motor speed when the speed pot is set at minimum CCW This permits the user to eliminate Deadband on the main speed control permit...

Page 6: ...verted to adjustable full wave rectified DC voltage to operate the DC motor Also a full wave field voltage is provided for shunt wound motors Carefully check the DC Drive for shipping damage Report any damage to the carrier immediately Do not attempt to operate the drive if visible damage is evident to either the circuit or to the electronic components GSD4 Standard Features Input voltages 24 36VA...

Page 7: ...of the CUR LIM trim pot increases the torque current the drive will provide INHIBIT TERMINAL PIN An adjustable acceleration ramp that allows the user a choice of stopping and starting hard fast or stopping hard with a soft start without breaking the AC lines There are two ways to Inhibit a drive 1 For all GSD4A and GSD4 drives using the drive s speed pot Remove power from the Speed Pot Wiper which...

Page 8: ...ing Capability no Electrical Connections 11 position terminal strip 22 14 AWG Fusing External required Fuse Amperages are based on motor HP see Fusing Fusing Internal replaceable Operating Temperature 10 to 45 C 14 to 113 F Thermal Protection current limiting Mounting Orientation can be mounted in any orientation Corrosive Gases NOT compatible with any corrosive gases Weight 7 12 oz 202g 7 12 oz 2...

Page 9: ...ging Capability no Electrical Connections 8 position terminal strip 22 14 AWG Fusing External required Fuse Amperages are based on motor HP see Fusing Fusing Internal replaceable 1 10A Operating Temperature 10 to 45 C 14 to 113 F 10 to 40 C 14 to 104 F Thermal Protection current limiting Mounting Orientation can be mounted in any orientation Corrosive Gases NOT compatible with any corrosive gases ...

Page 10: ...4 DC Drives User Manual 2nd Ed Rev A 10 14 2019 Dimensions Dimensions in mm GSD4A 240 xC Above drawings on the left side show a GSD4A drive with the optional heatsink installed part number GSDA HTSNK 4A GSD4 24x xC GSD4 240 10N4X ...

Page 11: ...ation of power Only a qualified electrician or service personnel should perform any electrical troubleshooting or maintenance At no time should circuit continuity be checked by shorting terminals with a screwdriver or other metal device Before attempting to wire the DC Drive make sure all power is disconnected Recheck code designation to assure proper voltage is present for the DC Drive Carefully ...

Page 12: ...l 12 volts NOTE INPUT MUST NOT BE GROUNDED P12 W SPEEDPOT WIPER Connects to wiper red wire of Speedpot center lead For Start Stop applications requiring soft start and soft stop Accel and Decel ramps the connection between this terminal and Speedpot Wiper can be opened and closed by a SPST switch NOTE For Voltage Follower applications this INPUT MUST NOT BE GREATER THAN 12V MAXIMUM AND MUST NOT BE...

Page 13: ...PUT MUST NOT BE GROUNDED P1 7 SPEEDPOT WIPER Connects to the wiper red wire of the Speed pot center lead For voltage follower applications this INPUT MUST NOT BE GREATER THAN 12V MAXIMUM AND MUST NOT BE GROUNDED Speed pot can be replaced by 0 10V analog signal See GSDA AI V4 on page 30 or use FC 33 or equivalent P1 8 SPEEDPOT LO Connects to the low side orange wire of the 5kΩ Speed pot normally th...

Page 14: ...Voltage Jumper P8 F F P14 P13 Inhibit Common Inhibit Input P12 W wiper Red P12 HI White SPEED POT ARM ARM MOTOR ARM ARM JP1 Control Hook up and Setup Modifications GSD4A Models Two Speed Operation GSD4A Models Two speed operation can be achieved by several methods as shown below In all three methods a center off switch can be used for a Speed1 Off Speed2 operation Two 10K Speedpots P12 LO P12 W P1...

Page 15: ...a single 5K pot and a SPDT switch In this hookup diagram the Low speed is set via the MIN trimpot and must be less than 40 of MAX Trimpot setting The High speed is set via the speedpot to any speed from Low speed to MAX trimpot setting MIN TRIMPOT Two 5K Speedpots P12 LO P12 W P12 HI DPDT W LO HI LO HI W Two 5K Speedpots Two speed operation using two 5K pots and a DPDT switch ...

Page 16: ...t bypasses the Accel and Decel ramps Start Stop actions via the Wiper input signal P12 W will result in a soft Start Stop Refer to the diagrams below for several methods of starting and stopping that may meet you application requirements Soft Start Stop P12 LO P12 W P12 HI SPST W LO HI Soft Start Stop Using a SPDT switch in series with the Wiper input signal will give you a soft Start Stop Closed ...

Page 17: ...p Soft Start P12 LO P12 W P12 HI DPDT SWITCH N C LO HI W Hard Stop Soft Start Using a DPDT On None On switch connected to P13 inhibit and P12 W Wiper input shown in this diagram will give you a hard Stop and a soft Start P13 to P14 Closed Hard Stop P12 W to W Closed Soft Start P13 P14 ...

Page 18: ...pe Do NOT fuse AC N on 24 36V or 120V systems Fuse both AC lines for 240 VAC input Connect incoming AC ground green wire to GSD4 chassis P1 6 has internal 12V and connects to Speedpot High white wire THIS INPUT MUST NOT BE GROUNDED For start stop applications the connection between P1 6 and Speedpot High can be opened and closed by a SPST switch P1 7 connects to Speedpot Wiper red wire THIS INPUT ...

Page 19: ...s in parallel with both Highs connected to terminal P1 6 and both Lows connected to P1 8 A SPDT switch selects which pot Wiper is connected to terminal P1 7 2 10kΩ Speedpots P1 8 7 6 LO HI W LO HI W SPDT GSD4 24x xC GSD4 24x xC Dynamic Braking A DPDT switch is used to control and to connect a customer supplied Dynamic Braking Resistor DBR Typical values for the DBR are 35 50W at 5Ω for 120V or 10Ω...

Page 20: ...or close Speed Pot High to the Inhibit pin To restart return the switch to open Fast Stop Start SPST SPEEDPOT WIPER LO HI P1 8 7 6 INHIBIT P3 GSD4 24x xC Inhibit used with speed pot This inhibit method bypasses the drive s Decel settings when stopping the motor and the motor freewheels to a stop at a rate determined by the inertia of the load However the start rate is determined by drive s Accel s...

Page 21: ...t midscale where 5 volts reference equals 55 output All GSD4 drives have some dead band built into the speed pot circuit which when a speed pot is used can be tuned out using the MIN trim pot The physical connection of a speed pot also provides a current path so that the MIN trim pot is active in the circuit When using a reference signal connected Signal to Wiper and Signal to Pot Lo the current p...

Page 22: ...r satisfactory operation throughout the speed range 9 If operation is satisfactory no readjustments are needed 10 If additional control tuning and setup are needed refer to the Trim Pot Adjustments section 11 For other problems consult the Troubleshooting section Start Up for GSD4 24x xC 1 Recheck all wiring Accidental grounds loose or pinched wires on armature or speed pot wires may damage the DC...

Page 23: ... noticed 5 Turn the drive ON OFF switch to the ON position and then slowly turn the Speed Control knob clockwise CW while observing direction of motor rotation If opposite direction of rotation is desired correct by turning OFF the drive and then reverse the motor armature connections 6 With AC line power and control back ON slowly turn Speed Control knob fully CW while observing the motor Motor s...

Page 24: ...for 240 VAC 4 Turn power on Set Speed pot at 100 5 Observe output voltage on meter and adjust the max trimpot until desired maximum voltage is reached A tachometer may be used in lieu of a voltmeter to set max output speed NOTE Do not exceed motor ratings Cur Lim Limits DC motor armature current torque to prevent damage to the motor or control The current limit is set for the rated motor current C...

Page 25: ...meter or strobe Cur Lim Limits DC motor armature current torque to prevent damage to the motor or drive The current limit is set for the rated motor current CW rotation of this trim pot increases the armature current or torque produced 1 TURN DRIVE POWER OFF 2 Connect a DC Ammeter between A1 on motor and ARM on drive This is in series with the motor 3 Turn power on 4 Set Speed pot at the 50 positi...

Page 26: ...ses output to the motor CCW adjustment decreases NOTE Typically the MIN pot should be set at Deadband which is the point in the CW rotation just before getting an output IR Setting If better speed regulation is needed then adjust the IR pot as follows 1 Set speed at 50 2 Check speed with Tach at no load 3 Apply normal load to the motor 4 Adjust the IR pot CW to increase speed regulation or CCW to ...

Page 27: ...n 4 Reduce speed 5 Consult Trim Pot Adjustments section Repeated fuse blowing 1 Low voltage 2 Overload condition 3 Worn motor brushes 4 Defective motor bearings 5 Defective electrical components 1 Ensure that VAC is above 100 VAC for 120V systems and above 200V for 240V systems 2 Reduce load disconnect to test 3 Replace brushes 4 Replace bearings 5 Contact AutomationDirect Product Returns for repl...

Page 28: ...h the fins in a vertical orientation 1 Secure heatsink to base of GSD4A drive using four 4 10 x 3 4 AB type screws included as shown in the illustration to the right GSDA HTSNK 4A Dimensions in mm 3 00 76 2 8 50 215 9 8 50 215 9 7 50 190 5 1 46 37 1 1 50 38 1 3 50 88 9 5 00 127 0 7 61 193 2 6X R0 19 R4 8 GSD4 Series Accessories NOTE There are only five accessories that can be used with both GSD4A ...

Page 29: ...CELDECEL 4 option card overrides the fixed accel ramp built into the GSD4 drive providing independently adjustable linear acceleration and deceleration from 0 5 to 8 0 seconds To install flip over the option card so that the printed circuit lines are visible Align the male connector CN1 option card with the female connector P2 GSD4 drive so terminal CN1 1 fits into P2 6 CN1 2 into P2 5 etc Align t...

Page 30: ...acers and screw into place in GSD4 terminals 3 Snap plastic standoff into GSD4 circuit board 4 Connect pre intalled black wire from option board to GSD4 screw terminal AC2 N GSDA AI V4 Setup Procedure 1 With NO power to the drive connect a DC voltmeter to drive outputs as follows Meter COMMON to the ARM terminal and Meter POSITIVE to the ARM terminal Select correct meter range 0 90V or 0 180V 2 Pr...

Page 31: ...ng 4 ARM Terminal P2 on GSDA AI V4 AC1 customer AC input L1 AC2 customer AC input N or L2 Terminal P3 on GSDA AI V4 COM customer analog common 5V no customer connection SIG customer analog signal Jumper P4 on GSDA AI V4 Set to Lo for 4 20mA input or 0 5 V 0 25 input Set to Hi for 0 25 V 0 250 input Jumper JP2 on GSDA AI V4 Set to V for voltage input Set to 4 20 for current input GSDA HTSNK 4 Optio...

Page 32: ...Page 32 IronHorse GSD4A GSD4 DC Drives User Manual 2nd Ed Rev A 10 14 2019 Literature Number LT191 Drawing Number A 5 4175C ...

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