Description
Pre-Installation Checks
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Environmental Limits
- Temperature: -10°C to +60°C (derate flow 0.8%/°C >40°C)
- Air Quality: ISO 8573-1 Class 3.4.2 (3µm filtration required)
- Pressure: 0.15-10 bar (lubricated operation recommended)
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Component Verification
- Confirm label markings: ▷ P (Pressure), A/B (Actuator), R/S (Exhaust)
- Check coil voltage: Blue/Brown wires = 24V DC (±10%)
Mounting Procedure
Step 1: Mechanical Installation
1. Mount on ISO 5599-1 compliant manifold (e.g. Festo CPE18-M3H)
2. Fastening torque:
• Manifold screws: 1.5 Nm ±0.3 Nm
• Port connectors: 15 Nm ±2 Nm
3. Alignment tolerance: ≤0.2mm lateral shift
Step 2: Pneumatic Connections
| Port | Function | Tubing Size | Sealing Method |
|---|---|---|---|
| P | Supply pressure | Ø12mm | PTFE tape (3 wraps max) |
| A/B | Actuator lines | Ø8mm | Push-in fitting (2.5mm dep) |
| R/S | Exhaust | Not connected | Muffler (SFAM-12) |
Electrical Wiring
[Terminal Assignments]
Pin 1: 24V DC+ (Brown)
Pin 2: 0V DC- (Blue)
Pin 3: Analog command (0-10V)
Pin 4: Feedback signal (4-20mA)
[Requirements]
• Use shielded cable (CY type)
• Ground shield at controller end only
• Max lead length: 15m (25m with 0.75mm² wire)
• Separate from power cables by ≥200mm
Commissioning Sequence
-
Pneumatic Test
- Apply 6 bar pressure → check for leaks with soap solution
- Cycle valve 5x at 1Hz before calibration
-
Electrical Validation
multimeterCopy CodeInput impedance: Pin1-Pin2 = 45Ω ±5%
Feedback output: Pin4-Pin2 = 12.5mA @ mid-stroke
-
Calibration (Via Festo Motion Manager)
iniCopy Code[Valve_Cal]
Stroke_Time=120ms ; Adjust PWM frequency
Null_Offset=0.12V ; Compensate spool overlap
Deadband=2% ; Hysteresis compensation
Critical Warnings
PROHIBITED ACTIONS
- Never energize before pneumatic supply → coil burnout risk
- Don’t exceed 100% duty cycle >30 seconds
- Avoid mounting position where exhaust ports face downward
SAFETY INTERLOCKS
- Install mechanical lock (Part No. ELGA-10) during maintenance
- Implement emergency decay circuit:
textCopy Code
--[ ]--|VM52_FB<10%|--(K1)--
K1 contacts bypass analog command
Compliance Specifications
Standard Article Requirement
ISO 13849-1 PLd Category 3 Dual-channel monitoring
ATEX Directive 2014/34/EU II 3G Ex h IIC T4 Gc
RoHS 3 Annex III Cadmium <0.01%
Post-Installation Verification
-
Dynamic Response Test
- 10-90% step response: ≤85ms (0.5Hz sine wave)
- Hysteresis: ≤1.5% FS
-
Diagnostic Indicators
LED State Fault Condition Green flashing (1Hz) Coil temperature >85°C Red solid Spool jamming detected Off with power Open circuit (check fuse F2)
33VM52-000-29 PACIFIC SCIENTIFIC PDF
33VM52-000-29 PACIFIC SCIENTIFIC
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