MODEL: PSN1
Final Control Elements
[1] SEALING SPRING
1: 1500 N use
2: 3000 N use
SERVO-TOP II ELECTRONIC ACTUATOR
(linear type; max. thrust 3000 N)
Functions & Features
[2] OUTPUT STEM TYPE
1: M14 male screw, pitch 1.5
2: Stem button
• Control valve actuator drive
• Lightweight, compact design
• High reliability without electrical contacts
• Friendly user interface
[3] INPUT
Current
• High resolution stepping motor
• Failsafe (safety shutdown) function optional
A: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
[4] POWER INPUT
AC Power
K3: 100 – 120 V AC
(Operational voltage range 90 – 132 V, 47 – 66 Hz)
(CE not available)
L3: 200 – 240 V AC
(Operational voltage range 180 – 264 V, 47 – 66 Hz)
DC Power
MODEL: PSN1–4[1][2]–[3][4][5]
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
ORDERING INFORMATION
• Code number: PSN1-4[1][2]-[3][4][5]
[5] OPTIONS
Failsafe Function (emergency use)
blank: Without
Specify a code from below for each of [1] through [5].
(e.g. PSN1-421-AK3/E)
• Use Ordering Information Sheet (No. ESU-4857). Default
setting (table below) will be used if not otherwise specified.
/E: With
Wiring conduits
blank: G 1/2"
PARAMETER
DEFAULT
Action
Operation at abnormally low input
Output stem extended end
Reverse
Stop
Longest
/C: G 3/4"
(Not available for option /E)
Output stem retracted end
Ex-factory stem position
Extended side limiter
Shortest
Shortest
0%
RELATED PRODUCTS
• Manual operation handle (model: HPSN)
• Programming Unit (model: PU-2x)
• Backup battery (model: PSN-BAT)
Retracted side limiter
Full-open/-closed signal (extended)
Full-open/-closed signal (retracted)
100%
2%
98%
Split range
Split range type
Split point
Without
LO
50%
GENERAL SPECIFICATIONS
Degree of protection: IP66
Opening/closing speed
Deadband
Restart limiting timer
Failsafe target position *1
Failsafe opening/closing speed *1
2.03 mm/s
0.5%
2 sec.
Action: Direct or reverse; field selectable with DIP switches
In “reverse” action, the output stem is retracted with an
input signal increase.
0%
2.03 mm/s
*1. Failsafe function option.
Operation at abnormally low input: Extend, retract or stop;
field selectable with DIP switches
Detectable input drop level: 0.37 ±0.1 V DC; converted into
voltage
STROKE
4: 0 to 40 mm (0” to 1.57”)
Wiring conduits: G 1/2 female thread (two)
PSN1 SPECIFICATIONS
ES-4857 Rev.18 Page 1/8
http://www.m-system.co.jp/