MODEL: CSP
Final Control Elements
[3] POWER INPUT
AC Power
K4: 100 V AC, 50/60 Hz or 110 V AC, 60 Hz
L4: 200 V AC, 50/60 Hz or 220 V AC, 60 Hz
SERVO-TOP VALVE ACTUATOR TYPE C
(linear type)
Functions & Features
•Actuator for a control valve
•Lightweight, compact design
•Simple field adjustments
GENERAL SPECIFICATIONS
Environmental protection: IP 56
Action: Direct or reverse; field selectable with DIP switches
(factory set to “reverse”)
•Torque limiters
•Electronic limiters for the full-open and -closed positions
are easy to adjust.
(In “reverse” action with upright mount, the output stem
goes up with an input signal increase.)
Operation at abnormally low input: Extend, Retract or Stop;
field selectable with DIP switches; default set to Stop.
Detectable input drop level: 0.37 ±0.1 V DC; converted into
voltage
•ISO standard flange
Wiring conduits: G 1 female thread (two)
Material
Body: Aluminum alloy
Cover: Steel
Terminal screws: Nickel-plated steel (torque 0.8 N·m)
Paint color: Munsell N6 (handle: red)
Drive: AC motor (15-minute rating)
Startup current: 3.2A (power input code K4)
1.6A (power input code L4)
MODEL: CSP–[1]71-[2][3]
Insulation class: B
(thermal protector incorporated; 120 ±5°C)
Power control element: Semiconductor switch
Position detection: Potentiometer
Deadband adjustment: 0.2 – 3.0 % (default set to approx.
1.5 %)
ORDERING INFORMATION
• Code number: CSP-[1]71-[2][3]
Specify a code from below for each [1] through [3].
(e.g. CSP-471-AK4)
Restart limiting timer adjustment: 0 – 30 sec. (default set to
approx. 4 sec.)
[1] MAXIMUM STROKE
4: 40 mm (1.57")
Isolation: Signals to power to sequential signals to metallic
housing
7: 75 mm (2.95")
Zero adjustment: 0 – 25 %
Span adjustment: 50 - 100 %
Torque limiting mechanism: Incorporated
Space heater: Incorporated
OPERATION TIME, MAXIMUM THRUST
7: 34 seconds / 20 mm, 12000 N
Manual operation: Available
OUTPUT STEM TYPE
1: M22 male screw, pitch 1.5
INPUT SPECIFICATIONS
■ DC Current: Input resistor incorporated
[2] INPUT
Current
OUTPUT SPECIFICATIONS
■ Speed & Thrust (at rated power input voltage)
Operation time (thrust 10000 N): 34 sec./20 mm (50 Hz), 29
sec./20 mm (60 Hz)
A: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
Maximum thrust: 12000 N
■ Position Signal: 4 – 20 mA DC
Load resistance: 300 Ω maximum
(The output signal increases when the stem retracts.)
CSP SPECIFICATIONS
ES-4826 Rev.4 Page 1/4
http://www.m-system.co.jp/