EEA-PAM-118-A-30

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The EEA-PAM-118-A-30 power amplifier from Vickers offers reliable 24V DC operation with built-in overload and reverse-polarity protection. Its compact design (175.24mm x 40.3mm x 122.4mm) ensures easy integration.

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Product Description:

The EEA-PAM-118-A-30 is a power amplifier from Vickers. A well-established manufacturer known for its hydraulic and electronic systems, including proportional valves, pumps, and industrial control equipment. The company products are widely used in industrial automation, aerospace, and mobile equipment sectors for precision control.

This EEA-PAM-118-A-30 power amplifier operates with a 24 V DC power supply and has an input current rating of 20 mA. It features overload detection with an automatic reset function. This provides enhanced protection and ensuring reliable operation in critical environments. The amplifier also includes reverse-polarity protection safeguarding it from incorrect wiring during installation. With an operational temperature range of 0 degrees C to 50 degrees C and a relative humidity tolerance of up to 90 %, the device can function in various industrial settings. The allowed installation altitude for the model is up to 1000 meters. This makes the power amplifier versatile for different locations. To achieve optimal performance, the model must be used exclusively with the accessories specified and recommended by the manufacturer. These accessories are designed to work in harmony with the model. Failure to use the proper accessories may result in reduced performance, potential damage to the device, or voiding of the warranty.

The EEA-PAM-118-A-30 power amplifier also offers a compact design measuring 175.24 mm in length, 40.3 mm in width, and 122.4 mm in depth. This allows for easy integration into control systems. It supports precise control of proportional valves and is designed for high durability and long-term operation. The inclusion of built-in diagnostic LEDs helps operators quickly identify operational issues reducing maintenance downtime. Wake Industrial can deliver this product worldwide. The company uses a reputable logistic partner for worldwide deliveries.

Allowed Installation Altitude
1000 m
Allowed Relative Humidity
90%
Current Rating
20 mA
Manufacturer
Eaton Vickers
Operating Temperature Range
0 - 50 degrees C
Overload Detection
Automatic Reset
Power Supply
24 V
Product Type
Power Amplifier
Protection
Reverse-polarity
Series
EEA-PAM Series
Symptom / card indication Likely cause First troubleshooting steps
No green “PWR” LED 24 V DC supply absent or < 18 V Measure supply at pins a/b; restore regulated 24 V DC and verify fuse F1.
Red “UV” (undervoltage) LED lit Supply dip during solenoid energizing Check cabinet PSU size, look for loose field-wiring terminals, monitor inrush current.
Valve strokes fully when command = 0 V Dead-band pots not set / offset drift Center the valve, adjust “Z” (zero) trimmer until flow stops, then fine-tune per manual.
Output current saturates at 100 % Gain too high or feedback loop open Reduce “G” gain pot, inspect LVDT / spool-position feedback wiring.
Oscillation / valve chatter Insufficient damping or wiring noise Add 0.1 µF snubbers across coils, separate power and feedback cables, increase ramp time.
“PK” peak/hold LED never goes off Peak-current timer set too long Reset “TP” peak-time trimmer to nominal 60 ms; confirm spool now moves smoothly.
Command signal present, no coil current Enable (pin d1) missing or logic low Supply +24 V to enable pin; verify safety/PLC interlock contacts.
Only one solenoid drives A/B channel link wires mis-set Check D-sub links d18–d20; set per single/dual-solenoid valve type.
Ramp time pot has no effect Ramp generator disabled by jumper Inspect link d14; reinstall to activate internal ramp module.
Card runs hot (> 55 °C) Shorted coil or over-current Measure coil Ω; compare to valve spec, replace damaged coil or lower max-gain.
Model Valve family / application Supply V DC Max output current Ramp adj. range
EEA-PAM-118-A-30 KDG4V-2/3 single-solenoid throttle 24 V 1.6 A 0.05 – 5 s
EEA-PAM-118-A-10 Same as above, early -10 design 24 V 1.6 A 0.05 – 2 s
EEA-PAM-113-A-30 KTG4V-3 dir-control valves 24 V 2:00 AM 0.05 – 5 s
EEA-PAM-115-A-30 KDG5V-5 throttle (higher flow) 24 V 3:00 AM 0.05 – 5 s
EEA-PAM-511-A-30 ECG-02 pressure valves 24 V 0–20 mA (dual) 0.05 – 5 s
EEA-PAM-523-A-32 KDG4V-3 & KDG5V-5 (dual-coil) 24 V ±20 mA 0.05 – 10 s
Indicator / “error code” What it means
24 V PWR LED off No or low card supply voltage
+15 V control LED off Internal control rail missing
Overload LED red Coil/output over-current detected
LVDT Fail LED red Feedback loop open / sensor fault
Low-voltage trip (< 19 V) Card undervoltage protection active
Enable LED (yellow) dark 24 V logic “Output Enable” absent
Output-level bar stuck high Solenoid current saturated / shorted
Dead-band pot mis-set Valve drifts at 0 V command
Gain pot too high Instability or valve chatter
Ramp link disabled (b12-b20 jumpered) No accel/decel ramp applied

Frequently Asked Questions about EEA-PAM-118-A-30:

Q: What is the power supply requirement for the EEA-PAM-118-A-30?

A: The EEA-PAM-118-A-30 operates with a 24 V DC power supply. It has an input current rating of 20 mA, ensuring efficient power management for industrial control applications.

Q: Does the EEA-PAM-118-A-30 have any protection features?

A: Yes, it has overload detection with an automatic reset function for protection. It also includes reverse-polarity protection to prevent damage from incorrect wiring during installation.

Q: What is the operational temperature range of the EEA-PAM-118-A-30?

A: The EEA-PAM-118-A-30 operates within a temperature range of 0 degrees C to 50 degrees C. It also tolerates up to 90% relative humidity, making it suitable for varied industrial environments.

Q: What are the installation altitude and environmental limits of the EEA-PAM-118-A-30?

A: This power amplifier can be installed at altitudes up to 1000 meters. Its versatility makes it ideal for different industrial locations with variable environmental conditions.

Q: What connectivity options and diagnostics are available for the EEA-PAM-118-A-30?

A: The EEA-PAM-118-A-30 features built-in diagnostic LEDs for quick issue identification. This helps reduce maintenance downtime by providing real-time operational status feedback during system use.


Internal Product Review

  • ‘‘The EEA-PAM-118-A-30 power amplifier by Eaton Vickers is a top choice for demanding industrial settings. It has an overload and reverse-polarity protection, 24 V DC power, and 1000-meter installation altitude range. The model comes with built-in diagnostic LEDs for enhancing operational reliability for long-term use.’’

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