EEA-PAM-513-A-14 Vickers

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The Vickers EEA-PAM-513-A-14 is part of the EEA-PAM Power Amplifiers series and has a nominal supply voltage of 24 VDC with a power consumption of 40 W. This amplifier provides a maximum solenoid current of 1.8 A and features a DIN 41612 F48 male edge connector. It has an overall height of 100 mm, a length of 175.24 mm, and weighs 200 grams.

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Product Description:

The EEA-PAM-513-A-14 plug-in module is a power amplifier in the EEA-PAM Power Amplifiers series produced by Vickers. The card is designed for placement on a standardized backplane where it converts low-level command references into controlled drive signals for solenoid-based actuators used in automated machinery. Supplied electrical data such as allowable output current, monitoring scale, and connector type define how the board fits into a low-voltage control system and ensure repeatable current regulation for motion or pressure control loops.

Nominal operation is based on a supply of 24 VDC. A dedicated output stage can deliver up to 1.8 A to a proportional solenoid, while the fine-scale loop limits steady-state flow to 50 mA when lighter valves are driven. Command inputs may be voltage, accepted through a 47 kΩ path that minimizes source loading, or current, accepted through a 100 Ω path that holds compliance loss to only 5 V at full scale. The conditioned output is referenced to ground and clipped to 15 VDC, preventing amplifier saturation. Field wiring is completed through a DIN 41612 F48 male edge connector that mates with common industrial rack connectors.

Overall energy draw stays within 40 W, so cabinet power budgeting remains simple when multiple cards are installed. An internal detector trips at 19 V to shut the board down cleanly and avoid uncontrolled solenoid movement. The input stage tolerates up to 4 Vp-p of ripple without disturbing loop stability, while a built-in monitor test point follows the 1 V/A scale for quick current verification. Mechanical dimensions of 100 mm by 175.24 mm follow Eurocard guidelines, and the unit weighs only 200 g, reducing stress on card guides. High-impedance monitor outputs at 10 kΩ allow parallel diagnostic equipment without influencing circuit behavior.

Ambient temperature
0 to 50 °C
Amplifier shut-down
<19V DC
Compatible Proportional Valve
KCG-3
Control (Output) Supplies
+15V x 50 mA max. in addition to LVDT demand
Control Output Current
50 mA
Control Output Ripple (max)
50 mVp-p
Control Output Voltage
15 VDC
Current Input Impedance
100 Ω
Edge Connector
DIN 41612 F48 Male
Input Ripple (max)
4 Vp-p
Mass
200 g
Max Solenoid Current
1.8 A
Monitor Output Impedance
10 kΩ
Nominal Supply Voltage
24 VDC
Overall Height
100 mm
Overall Length
175.24 mm
Power consumption
40 W
Power Supply
24 VDC
Product type
Amplifier
Ramp Acceleration/Deceleration
50 ms to 2 s
Series
EEA-PAM-5**-A-14
Solenoid Monitor Scale
1 V/A
Undervoltage Shutdown
19 V
Voltage Input Impedance
47 kΩ
Weight
200 g
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Symptom / LED Indicator

Likely Cause (What it Means)

Recommended Corrective Action

Green “24 V” LED off

No or low supply (card needs 20 – 34 V DC, 40 W)

Check cabinet power supply, polarity and fuse; restore 24 V then re-test.

Green “15 V” LED off

On-board logic rail missing

If 24 V is present, replace regulator section or card.

Yellow “Output enabled” LED dark although z24 is > +10 V

“Drive enable” link missing / < 6 V

Check the enable source on pin z24; repair wiring or PLC output.

Red “Overload” LED lit

Solenoid current > 1.8 A (short or wrong coil)

Measure coil resistance against catalogue, inspect cable for shorts; overload resets automatically when fault cleared. 

Command signal present but no pressure change

Set-minimum or gain turned fully CCW

Read conditioned command at monitor-pin b18; readjust set-minimum and gain to specs.

Valve jerks, ramp pot ineffective

Ramp circuit bypass link b12-b20 closed

Remove link (open circuit) or use remote switch for ramp enable.

Output drifts when ambient warms

PCB temperature drift / poor shielding

Allow 15-min warm-up; re-zero “set-minimum”; separate signal wiring from power cables.

PWM dither absent (unstable spool)

Factory dither jumper removed

Re-install factory jumper or enable dither in test jack (consult ML-9046 guide).

Ramp time wrong after card swap

Pot still at 20 ms factory setting

Turn ramp pot clockwise to desired 0.02 – 2 s; verify with pressure gauge.

Low-supply protection trips below 19 V

Undersized 24 V PSU or long cable run

Upgrade PSU to ≥ 40 W and keep ripple < 4 V p-p; use thicker cable to reduce drop.

Model

Intended Valve Family

Input Signal Options

Ramp Generator

Feedback / Diagnostics

Max Solenoid I (A)

EEA-PAM-513-A-14

KCG-3 pressure valves

0–10 V (4 ×) | 0–20 mA (1 ×)

Single, 20 ms – 2 s

Over-temp, overload LEDs

1.8

EEA-PAM-511-A-14

KDG4V-5 flow valves

0–10 V (2 ×)

None (fast response)

Overload LED

1.8

EEA-PAM-512-A-14

KDG4V-2 pressure/flow

0–10 V (2 ×) | 0–20 mA (1 ×)

Single, 50 ms – 3 s

Low-V, overload LEDs

1.8

EEA-PAM-561-A-14

KDG5V-5/7 spool (LVDT)

±10 V (1 ×)

Dual, independent ↑/↓ ramps

LVDT-fail, overload LEDs

1.8

EEA-PAM-571-A-14

KFDG5V servo spools

±10 V (1 ×) + ±15 V ref.

Quad-ramp (each quadrant)

LVDT, overload, watchdog LEDs

2.5

EEA-PAM-581-A-14

Double-feedback valves

±10 V (1 ×)

Quad-ramp (with quadrant detect)

Dual LVDT-fail, overload LEDs

2.5

Indicator / “Code”

What it Means

Green “24 V” LED off

No or low 24 V DC supply reaching the card

Green “15 V” LED off

On-board logic rail missing → internal regulator fault or card defect

Yellow “Output-enabled” LED dark (z24 > +10 V expected)

Drive-enable line inactive (< 6 V) – wiring / PLC output open

Red “Overload” LED lit

Solenoid current > 1.8 A (shorted coil or wrong valve type)

Low-supply protection trips below ≈ 19 V

Undersized or unstable 24 V PSU; card shuts itself down to protect electronics

No pressure/flow change with command present

“Set-minimum” or “Gain” pots turned fully CCW (zero output)

Ramp pot has no effect / valve jerks

Ramp-bypass link (b12–b20) left closed – ramp generator disabled

PWM dither absent – spool sticks

Factory dither jumper removed or disabled, causing static friction

Output drifts with temperature rise

PCB-temperature drift; card needs 15-min warm-up & re-zero; improve shielding

Set ramp time incorrect after card swap

Replacement card still at 20 ms factory default; adjust ramp pot to 0.02–2 s range 

Frequently Asked Questions about EEA-PAM-513-A-14:

Q: What is the nominal supply voltage required for the EEA-PAM-513-A-14?

A: The EEA-PAM-513-A-14 power amplifier has a nominal supply voltage of 24 VDC.

Q: What is the maximum solenoid current output for the EEA-PAM-513-A-14?

A: This amplifier supports a maximum solenoid current output of 1.8 A.

Q: What control output current does the EEA-PAM-513-A-14 provide?

A: The control output current for this model is rated at 50 mA.

Q: What type of edge connector is featured on the EEA-PAM-513-A-14?

A: The EEA-PAM-513-A-14 uses a DIN 41612 F48 Male edge connector for electrical interfacing.

Q: At what voltage does the undervoltage shutdown activate on the EEA-PAM-513-A-14?

A: This power amplifier has an undervoltage shutdown at 19 V, ensuring protection against low supply conditions.


Internal Product Review

  • ‘‘The EEA-PAM-513-A-14 power amplifier from Vickers stands out with a nominal supply voltage of 24 VDC and a maximum solenoid current of 1.8 A, making it highly suitable for precision hydraulic control. The voltage input impedance of 47 kΩ and compact mass of 200 g allow for easy integration into diverse control panels. This model delivers stable operation and efficient current monitoring for demanding applications.’’

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