ECM4-L2 - Continental Hydraulics

1 ECM4-L2 . AMPLIFIER. GENERAL DESCRIPTION GENERAL SPECIFICATIONS. Voltage 10 to 30 VDC. The ECM4-L2 amplifier is a dual channel amplifier for INPUT Current Amp. @ 12 VDC Amp. @ 24 VDC. use in any system with a DC power supply. It is POWER Power 41 Watts designed to be used with Continental Hydraulics '. single or double solenoid proportional valves: ED03M, Overload Reverse Supply Protection EP03M, ED05M and ED08M. The ECM4-L2 board is Protection Voltage Spike Protection designed for applications where the LVDT spool Type Analog feedback option is not required. INPUT Voltage 10 V, 5 V, 0 to +10 V, -10V to 0. COMMAND Analog DC 4 - 20 ma Coil temperature changes will not affect output current Input Resistance 100 K nominal to the valve because it is a current control device. TEMPERATURE RANGE -40 C. to +80 C. Also, it is current limited and protected against short AUXILIARY 15 VDC @ 50 ma circuits. Coil return wires may be separate or com- OUTPUT 10 VDC @ 10 ma bined.

2 A pre-set dither improves valve characteristics Panel or Single EUROCARD cage MOUNTING. over the full range of pulse width modulation (PWM). output. This holds power loss to a minimum. CONTROL SPECIFICATIONS. This unit features a built-in DC to DC converter to ON-BOARD. provide reference voltages from DC input power STANDARD OPTION. ranging from 10 to 30 volts. A limited amount of OUTPUT Voltage 24 VDC 12 VDC. regulated DC is available to power sensors and POWER Current Amps. Max. 3 Amps. Max. command controls. PWM Freq. 1400 Hz. nominal Dither 120 Hz. 0, 60, 180 Hz. The ECM4-L2 amplifier is packaged in a 4 x (100 x 160 mm) printed circuit board. All connections Acel/Decel 30 to 3000 ms .3 to 30 seconds are made through a terminal plug at one end. The OUTPUT Command 2 VDC 10 VDC or None boards come in two forms. CONTROL Offset Enable Jumper Selected Code "P" mounts with stand-offs on a panel. All Disable Jumper Selected adjustments, operating lights and test points are Channels Dual located on the primary board.

3 This board may also be mounted in a single EURO card cage. NULL This adjustment, one of each solenoid, re- duces or eliminates deadband. LEDs indicate Code "E" mounts into a single EURO card cage. All adjustments, operating lights and test points are which solenoid is being energized. located on a face panel so that the board does not require removal from the cage for set-up adjustments. GAIN This adjustment, one for each solenoid, sets maximum valve current when command is at Do not use Radio Transmitters or similar devices maximum. This results in full command reso- that emit radio frequency (RF) signals within three lution from off to maximum valve output. (3) feet of an exposed amplifier board. If outer loop feedback is used, consult the feedback device supplier for possible RF interference. RAMP This adjustment varies the rate of increasing or decreasing the command signal. Con- trolled acceleration and deceleration for both TERMINAL IDENTIFICATION forward and reverse will be the same for a specific ramp control setting.

4 2 Enable 18 +10 Volts Out 4 Signal Ground 20 +15 Volts Out OFFSET On-board command potentiometer for use 6 Command ma 22 Power Ground during set-up. It can also be used as a fine 8 Reference (4 to 20 offset) 24 +DC Power center adjustment. 10 Command 5V 26 B Out 12 Command 10V 28 A-B Out 14 -15 Volts Out 30 A Out 16 -10 Volts Out 83. ECM4-L2 . AMPLIFIER. FUNCTIONAL SCHEMATIC. POWER. PROTECTION B. PWM B. DRIVE CURRENT. SENSE. PWM & LIMIT. CURRENT 15V +15V OSC. LIMIT & DC/DC TP-B. PROTECTION CONVERT. -15V DITHER I. OSC B. OFFSET. POT A. A/B GAIN A. CURRENT. & NULL ADJ. PWM. DRIVE SENSE. CMD RAMP & LIMIT. INPUT GAIN. ACEL/DECEL. AMP .03-3 SEC. A B TP-A..3-30 SEC. I. NULL A. TP SUM AMP. GND AND. LIMITER. ENABLE CODE P: P3-J1. JUMPER CODE E: P8-J1. ENABLE. GND GO. OPEN STOP. a/c 30 28 32 26 24 22 20 18 16 14 12 10 8 6 4 2 a/c SIGNAL. + 15V + 10V - 10V - 15V 10V IN GND. REF. + - (4-20 ma). POWER DC POWER OUT TERM 2 MUST.

5 5V IN BE GROUNDED. SUPPLY FOR COMMAND. 10 VDC MIN. POTENTIOMETER TO MAKE BOARD. 4-20 ma IN OPERATIONAL. 30 VDC MAX. COMMAND INPUTS. SOL SOL +, -, 10 VDC. A B 5 VDC. 4 TO 20 ma PROPORTIONAL. VALVE. 84. ECM4-L2 . AMPLIFIER. DIMENSIONS: ECM4-L2 -P1P-C-B. ECM4-L2 -P1P-C-B ASSEMBLY 550775. GND. D1 U1 Q1 Q2. + +. C1 C2. A. OUT 30 D2 C3 C4 R62 R83. GAIN. R28. R105. A-B. GND 28 C5 R16 D18 D27. B C6 R17. L1 L2. TP-A. OUT 26 C7 T1 R63 R84 D34. R18. +DC. PWR 24 R1D3 R19 D11 D19 D20 R85 C38. NULL. C9 D12 D14 D28. PWR. R106. ( ) GND 22 D4 R20 R32 R47 U3 D21. R70 U4. R2 R21 U2 R33 R48 MPQ2222A LMC6482. +15V. OUT 20 D5. D9 4N32 D13 R49 R71. Q3. D10 R34 R50 R64 J1 J2 R86. GAIN. +10V D6. 18 R35 C23 D15 R65 P7 R87 D29. R107. OUT D7. + + R36 D16. R16 C26 R72 D25 D30. -10V D8 C10 C11. OUT 16 R37 R51 R73 R88 C39. TP-B. R3 R38 R52 C30 R74 C34. -15V Q4 D35. OUT 14 R4 + +. C24 C27 R89. R5 U5 R75 D31. CMD C12 C13 U6. NULL. 10V 12 R6 LM33 D17.

6 LMC6482. D22 R90 R98. R108. R7 R53 C33 R91 R99. CMD. 5V 10 R8 R22 R39 R54 C31 R76 R92 R100. R9 C14 C17 R40 R55 R66 D23 R93 R101. REF 8 R10 R23 R41 R56 RAMP D24 D26 D32. RAMP. R11 C15 P5 C21 C22 R57 C32 R77 C35 R102. R109. CMD. mA 6 R12 R24 J1 J2 R26 R58 R78 R94 C36. C8 R25 C18 R27 R59 C28 R79 R95 R103. SIG P2. 4. OFFSET. GND C19 C20 R60 C36. U7 U8 U9 U10. R110. ENA J1 J2 R29. BLE 2 LF444 LF444. DITHER. LF444 J1 J2 LF347. R30 C29 P8. P4 P3 C16 R44 C25 R80 R96 C41 C42. R13 R31 R67. J1 J2 J3 R14 R26 R45 R61 R68 R81 R97 R104. R15 R27 R46 P6 R69 R82 C37 D33. PWM. MADE IN USA J1 J2 J3 J4 J5. ( ). ( ). ( ). ( ). MINIMUM. 30. 28. 26. 24. 22. 20. 18. 10. 16. 14. 12. 8. 6. 4. 2. DISTANCE. BETWEEN. BOARDS. #4-40 UNF. ( ). 17. ( )..50. 85. ECM4-L2 . AMPLIFIER. DIMENSIONS SHOWN IN: (MILLIMETERS). DIMENSIONS: ECM4-L2 -PIE INCHES. FEMALE MATING CONNECTOR. DIN 41612 - TYPE D. USE ENTRELEC MODEL NO. SCM-HE12D-32F OR. EQUIVALENT CARD HOLDER.

7 ASSEMBLY 550771 J1J2J3J4J5. M4-L2-P1E-C-B R19 R22 P7 R82. R55 R70. C3 C5 R20 R23 R40 R56 R71 R83 P7. R1 R6 R21 R24 C17 R57 R72 C27 R84 J1J2J3. C1 P3 C14 ENA. R73 P8 2 2 BLE. U1 J1J2 U2 U3 U3 J1J2. R74. LF347 LF444 LF444 LF444 4 4 SIG. C2 C8 R41 C22 C24 P9 GND. R2 C6 R22 C13 R42 R58 C25 C28 C29 J1J26 6 CMD. C4 R7 R23 R59 P6 R85 plA. C10 R43 R75. 8 8. D1 D2 D5 R44 C20 C21 J1J2 R76 R86 REF. R3 R8 D6 R45 R60 R77 R87 10. PANDUIT 100-032-053 9S. R9 R35 10 CMD. R24 R46 R61 C23 C26 R88. (123) R4. R10 C9 C11 R62 R89. 15V (100). R5 R47 R78 12 12 CMD. R11 R25 R48 R90 U5. D12 14 10V. 14 -15V. D7 LMC U6 C30 C31. R91. R26 6482 LM339 R92. SUB-ASSEMBLY R27 C12 C18 R93 16 16 OUT. 550772 C7 R28 C12 R49 R63 R94 -10V. D3 P4 R36 R50 R64 18 18 OUT. R12 J1J2 D13 D15 R65 C32 C33 D21 +10V. R29 D22 20 20 OUT. Q1 R13 C13 C19 R66. R14 R37 R51 R67 D19. D23 +15V. D24 22 22 OUT. R30 R52 D16 U9 D20. U7 R31 U8 R53 R68 4N32 R79 R95 24 PWR. LMC 24 GND.

8 6482 D8 MPQ2222A R54 R69 R80 D25. D14 D17 C34 D26 26 26 +DC. R15 PWR. Q2 D9 D10 D18 R96 R100. R16 R97 C35. 28 28 B. T1 OUT. R17 R38 R98 C36 30 30 A-B. L1 L2. R99 C37. GND. D4 D11 32 32 A. R81. C39 C38 D27 OUT. R18 R39 A-B. C41 C40. GND. Q3 Q4 U10 D28. P1. Continental Hydraulics SAVAGE, MN. MADE IN (160). (162). ( )..65. A B. O NULL. U. T. P. U. T 0 MAX 0 MAX. COMMAND. O. U. GAIN. T. P. (128) U. T. COMMAND. MIN MAX MIN MAX. ZERO. O. U. T. P. U. T. MIN MAX A B. TIME RAMP COMMAND. OFFSET. TEST. POINT. ( ). 86. ECM4-L2 . AMPLIFIER. ORDERING INFORMATION. ECM4 - L2 - P1 -C. ELECTRONIC MANUFACTURED BY. CONTROL Continental . MODULE Hydraulics . SERIES 4. LINEAR AMPLIFIER. DUAL CHANNEL. NO VALVE LVDT. 1-TURN. ON-BOARD. POTENTIOMETERS. MOUNTING. CODE DESCRIPTION. 100 MM x 160 MM BOARD WITH. STAND-OFFS FOR PANEL. CONNECTOR. P MOUNTING, OR SINGLE EURO. CARD CAGE MOUNTING. ADJUSTMENTS, OPERATIONAL. LAMPS & TEST POINTS. LOCATED ON BOARD.

9 A B. 100 MM x 160 MM BOARD, SINGLE EURO CARD CAGE. MOUNTED. E ADJUSTMENTS, OPERATIONAL. LAMPS & TEST POINTS. ON CAGE FACE. 87. ECM4-L4. AMPLIFIER. GENERAL DESCRIPTION GENERAL SPECIFICATIONS. Voltage 10 to 30 VDC. The ECM4-L4 is a dual channel amplifier for use in any system with a DC power supply that may vary Current Amp. @ 12 VDC Amp. @ 24 VDC. widely. It is designed to be used with Continental SUPPLY Power 41 Watts Hydraulics ' ED03M, EP03M, ED05M and ED08M Overload Reverse Supply Protection single or double solenoid proportional valves: The Protection Voltage Spike Protection valves may or may not include a 3-wire LVDT. Options Type Analog are: outer loop position, velocity and pressure feed- INPUT Voltage 10 V, 5 V, 0 to +10 V, 0 to -10 V. back. COMMAND Analog DC 4 - 20 ma Input Resistance 100 K nominal It is a current control device with pulse width modula- FEEDBACK Position 4 to 20 ma -- LVDT optional tion (PWM): this means power loss is held to a OUTPUT Voltage 12 VDC 24 VDC.

10 Minimum, even when output voltage varies. POWER Current Amps. Max. Amps. Max. PWM Freq. 1400 Hz. nominal Coil temperature changes will not affect output current OUTPUT Dither 120 Hz. (Optional: 0, 60, 90, 150, 180 Hz.). to the valve because it is a current control device. CONTROL Acel/Decel 15 to 1500 ms (Optional: .15 to 15 sec.). Also, it is current limited and protected against short Channels Dual circuits. Coil return wires may be separate or com- TEMPERATURE RANGE -40 C. to +80 C. bined. A pre-set dither improves valve characteristics AUXILIARY 15 VDC @ 50 ma over the full range of PWM output. OUTPUT 10 VDC @ 10 ma Term. blk. 18 pin PC MT .2 ctrs. TB1. Command signals may be 10 VDC bipolar, 0 to +5 TERM BLOCK (Phoenix header #MSTBA ). VDC unipolar, or 4-20 ma current. For maximum Connector 18 pin rt. angle plug-in TB1. performance, the amplifier is designed to work with (Phoenix term. blk. #MSTB ). an optional LVDT position feedback sensor.