Festo CMSX C-U-F1 Series User manual

Translation of the original instructions
1 About this document
This document describes the use of the above-mentioned product. Certain
aspects of use and a detailed description of the mode of operation of the product
are described in other documents and must be observed
è 1.1 Applicable documents.
1.1 Applicable documents
All available documents for the product èwww.festo.com/pk.
Document Contents
Description of positioner CMSX Functional description, installation, commission-
ing, maintenance, fault clearance, technical data
Tab. 1
2 Safety
2.1 General safety instructions
– Only use the product in original status without unauthorised modifications.
– Only use the product if it is in perfect technical condition.
– Observe labelling on the product.
– Only use the product in an industrial environment.
– The included cable fitting conforms to degree of protection IP65 if lines with
the specified cross-section are used è 15 Technical data.
– Seal unused openings with blanking plugs.
Return to Festo
Hazardous substances can endanger the health and safety of personnel and
cause damage to the environment. To prevent hazards, the product should only
be returned upon explicit request by Festo.
– Consult your regional Festo contact.
– Complete the declaration of contamination and attach it to the outside of the
packaging.
– Comply with all legal requirements for the handling of hazardous substances
and the transport of dangerous goods.
2.2 Intended use
The positioner is intended for regulating the position of the following actuators in
process automation systems:
– single-acting or double-acting quarter turn actuators with standardised mech-
anical interface è 15 Technical data
– pneumatic actuators with connected external path/angle sensor
2.3 Training of qualified personnel
Work on the product should only be conducted by qualified personnel.
The specialized personnel must be familiar with the installation and operation of
electrical and pneumatic control systems.
3 Further information
– Accessories èwww.festo.com/catalogue.
– Spare parts èwww.festo.com/spareparts.
4 Service
Contact your regional Festo contact person if you have technical questions
èwww.festo.com.
5 Product overview
5.1 Constructive design
CMSX-P-S-...
1Housing cover
2Inspection window for LCD display
3Housing screws
4Blanking plug
5Cable entry with cable connector
for electrical connecting cable
6Mounting thread for mounting
adapter
7Shaft
8Mechanical coupling
9Base plate
10 Housing
11 Pneumatic ports (G1/8)
12 Earth terminal
Fig. 1 Product design CMSX-P-S-...
CMSX-P-SE-...
1Housing cover
2Inspection window for LCD display
3Housing screws
4Cable entry with cable fitting for
external path/angle sensor
5Cable entry with cable connector
for electrical connecting cable
6Mounting thread for mounting
adapter
7Base plate
8Housing
9Pneumatic ports (G1/8)
10 Earth terminal
Fig. 2 Product design CMSX-P-SE-...
Operating elements and connections in the device – example: CMSX-P-SE-...
1LCD display
2Connection of shield of external
displacement encoder
3Terminal strip 1 (pin 1 ... 14)
4Digital output LEDs
5Terminal strip 2 (pin 15 ... 16)
6Set pushbutton
7Sub pushbutton
8Add pushbutton
9Earth terminal
Fig. 3 Operating elements and connections
8102553
CMSX-...-C-U-F1
Positioner
8102553
2019-05c
[8102555]
Instructions|Operating
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
[phone]
www.festo.com

5.2 Function
The CMSX digital electropneumatic positioner enables simple and efficient posi-
tion control based on the PID control algorithm. Positions are specified via an ana-
logue setpoint signal. The current position of the actuator is detected as follows:
– CMSX-P-S-... : through an integrated potentiometer
– CMSX-P-SE-... : through an external path/angle sensor
The PID controller compares the measurement value with the specified ana-
logue setpoint value and controls the solenoid valves.
6 Transport and storage
Store the product in a cool, dry, UV-protected and corrosion-protected environ-
ment. Ensure that storage times are kept to a minimum.
7 Assembly
General information
– Select the mounting position so the underside of the device is protected from
spray and moisture.
– Note the direction of motion of the actuator.
– Use only mounting adapters DARQ-K-P-A1-F05 or DADG-AK-F6-A2
èwww.festo.com/sp.
7.1 Mounting CMSX-P-S-... on the actuator
1Positioner
2Mounting adapter
3Retaining screws M5
4Retaining screws M4
5Mechanical coupling
6Threaded pins
7Quarter turn actuator
Fig. 4
1. Determine the direction of rotation of the quarter turn actuator.
2. Close the process valve.
3. Switch off compressed air and power supply.
4. Fasten the mounting adapter to the positioner:
– 4 housing screws M4
– Tightening torque 1.5Nm ±20%
5. Fasten the mechanical coupling to the shaft of the positioner:
– 2 threaded pins
– Tightening torque 0.5Nm ±10%
6. Place the positioner with the mounting adapter and coupling on the quarter
turn actuator and align. The angle of rotation of the actuator must be within
the sensing range of the positioner è 7.1.1 Sensing range of the positioner.
7. Fasten the positioner with mounting adapter to the quarter turn actuator:
– 4 retaining screws M5
– Tightening torque 3Nm ± 20%
7.1.1 Sensing range of the positioner
1Flat spot of the shaft
2Identification of the alignment of
the flat spot
3Identification for sensing range
Fig. 5
The angle position of the quarter turn actuator is detected by the shaft of the
positioner. The shaft of the positioner can be freely rotated and does not have a
mechanical stop. The permissible sensing range is 100° è 15 Technical data.
7.2 Mounting CMSX-P-SE-... on the actuator
1Mounting adapter
2Retaining screws M6
3Retaining screws M4
4Retaining screws M5
5Housing (flange type socket)
6Linear drive
Fig. 6
1. Close the process valve.
2. Switch off compressed air and power supply.
3. Fasten the mounting adapter to the positioner:
– 4 housing screws M4
– Tightening torque 1.5Nm ±20%
4. Fasten housing (flange type socket) to the linear drive:
– 4 retaining screws M5
– Tightening torque 2.7 Nm ± 10%
5. Secure the positioner with mounting adapter to the housing (flange type
socket):
– 4 retaining screws M6
– Tightening torque 3Nm ±20%

8 Installation
8.1 Pneumatic installation
1Compressed air supply port (1)
2Working port (2)
3Working port (4)
4QS-1/8-…-I push-in fitting (access-
ory)
5Silencer (accessory)
6Exhaust port (3)
Fig. 7
Recommendation: Use push-in fittings of type QS-1/8-...-I and tubing of type PUN.
Keep tubing short.
1. Switch off compressed air and power supply.
2. Connect working port (2) and working port (4) to the working ports of the
pneumatic actuator.
For single-acting drives: only connect working port (4), seal working port (2)
with a blanking plug.
3. Connect the supply port (1) to the compressed air source.
4. Screw a suitable silencer into the exhaust port (3).
8.2 Electrical installation
Connecting electrical power supply
WARNING!
Risk of injury due to electric shock.
• For the electric power supply, use only PELV or SELV circuits that guarantee a
reliable electric disconnection from the mains network.
• Observe IEC 60204-1/EN 60204-1.
• Connect all circuits for operating and load voltage supplies.
WARNING!
Fire risk from overheating.
Injury resulting from fire.
• The device must have a limited power supply in accordance with the following
standard.
– IEC/EN/UL/CSA 61010-1 Safety of measuring, control and laboratory
equipment
The power supply for the device must be limited in accordance with EN 61010-1.
The power can be restricted by using previously limited circuits or by installing
fuses. The total fuse value of 3.2 A must not be exceeded downstream from lim-
ited or fuse-protected circuits.
• 24 V DC operating voltage/system voltage (pin 6)
• Current/voltage input signal (pin 4)
• Load voltage supply for the outputs (pin 13)
• Digital input (pin15)
The IP65 degree of protection depends on the type of electrical connection.
Unsuitable cables or incorrect installation reduce the degree of protection of the
product.
1. Switch off compressed air and power supply.
2. Unscrew housing screws (è Fig.1,3 or è Fig.2,3) and remove the hous-
ing cover.
3. With CMSX-S-...: run the electrical connecting cable to the terminal strip
through the cable fitting.
– max. length of connecting cable: 30m
– Outside diameter of electrical connecting cable: 7…13mm
– Cable cross-section: max. 1.5mm2
– Use wire end sleeves.
4. With CMSX-SE-...: run connecting cable for external path/angle sensor to the
terminal strip through the cable fitting (è Fig.2,4).
– Outside diameter of electrical connecting cable: 3…6.5mm
– Cable cross-section: max. 1.5mm2
– Use wire end sleeves.
5. Wire the electrical connections è Tab. 2 Pin allocation of terminal strips.
– Tightening torque: max. 0.6Nm
6. Connect the earth terminal (è Fig.3,9) to the earth potential with low
impedance (short cable with large cross-section).
– Tightening torque: 0.7Nm
7. Tighten the union nut on the cable connector.
– Tightening torque: 1.5Nm
8. Place the housing cover in position and tighten the 4 housing screws.
– Note the correct position of the seal.
– Tightening torque: 1.5Nm
9. Optional: place shield of an external displacement encoder on the printed cir-
cuit board è Fig.3,2.
– Tightening torque: 0.7Nm
Pin allocation
Pin Designa-
tion
Description
Terminal strip 1 (pin 1…14)
1 +5VDC Operating voltage of sensor +
2 U+ Sensor signal actual value
(0…5VDC)
3 0VDC Operating voltage of sensor –
galvanically connected to
0VDC
Connection of external potentiometric
path/angle sensor with a total resist-
ance of at least 5kW
4 Isp+ / Usp+ Current/voltage input signal +
5 Isp– / Usp– Current/voltage input signal –
galvanically connected to
0VDC
Setpoint input 4…20mA, 0…20mA
Setpoint input 0…10V
6 +24VDC
7 0VDC
Operating voltage System supply
8 I– Current output signal –
galvanically connected to
0VDC
9 I+ Current output signal +
Actual value (position feedback)
4…20mA
10 ALARM Alarm digital output Alarm output
– Initialisation not successful
– Setpoint value outside specifica-
tion
– Actuator cannot reach required tar-
get position
11 D-OUT1 Digital output Out1
12 D-OUT2 Digital output Out2
Status output
13 +24VDC
14 0VDC
Load voltage outputs Supply to digital outputs
Terminal strip 2 (pin 15, 16)
15 D-IN+ Digital input+
16 D-IN– Digital input –
Digital input
Tab. 2 Pin allocation of terminal strips
Connection, digital inputs
The digital input can be connected as PNP or NPN input.
Connection as PNP input:
– The PNP input is positive switching.
– Connect negative load pole to pin 16.
Fig. 8 PNP connection

Connection as NPN input:
– The NPN input is negative switching.
– Connect positive load pole to pin 15.
Fig. 9 NPN connection
Connection, digital outputs
The digital outputs (ALARM, D-OUT1, D-OUT-2) can be connected as PNP or NPN
outputs.
Connection of ALARM, D-OUT1, D-OUT-2 as PNP outputs:
– The PNP outputs are positive switching.
– Connect negative load pole to pin 14.
Fig. 10 PNP output
Connection of ALARM, D-OUT1, D-OUT-2 as NPN outputs:
– The NPN outputs are negative switching.
– Connect positive load pole to pin 13.
Fig. 11 NPN output
9 Commissioning
For detailed instructions on commissioning èDescription of positioner CMSX
è 1.1 Applicable documents
9.1 Commissioning positioner
Requirements:
– The positioner is fully mounted and connected.
– Familiarize yourself with the menu system, the functions of the keys and the
parameters prior to commissioning.
– Ensure there is a stable compressed air supply, particularly during the com-
missioning phase.
1. Check operating conditions and critical limits è 15 Technical data.
2. Check that the connection points are tight.
3. Switch on the operating voltage supply.
4. Switch on the setpoint specification.
5. Switch on the compressed air.
ÄDuring initial commissioning:
– Positioner starts in automatic mode with the factory settings.
– Positioner is not initialised (display "NO INIT").
– The positioner does not respond to external setpoint specifications.
During subsequent commissioning:
– Positioner starts in the last effective mode of operation.
– If the closed-loop controller (automatic mode or manual setpoint
position specification) is activated, the current setpoint value is valid
immediately.
9.2 Menu structure
1Base menu 2Main menu
Fig. 12 Menu structure
9.3 Function of pushbuttons
Two functions can be run with the Add, Sub and Set pushbuttons:
– Navigation through the menu structure
– Selection and input of parameter values
Explanation of symbols
Press Add
Press Sub
Press Set
Press and hold Add for 3 seconds
Press and hold Sub for 3 seconds
Press and hold Set for 3 seconds
Press and hold Add and Set for 3 seconds
Tab. 3 Explanation of symbols
9.4 Check sensing range of the path/angle sensor
1. Open "Sensor" submenu level è Fig.12.
2. Approach both end positions of the actuator with the Add and Sub pushbut-
tons.
3. If the entire work space is traversed without an error message, continue com-
missioning with the initialisation è 9.5 Perform initialisation.
If one of the end positions lies outside the sensing range, an error message is
displayed. Mount the positioner so the sensing range of the sensor com-
pletely covers the work space of the actuator.
9.5 Perform initialisation
The permissible stroke range and the controller parameters are determined dur-
ing initialisation. Both end positions are approached in succession independently
from the pending setpoint value. The positioner can only be initialised automatic-
ally.
Automatic initialisation ("A-Init") must be performed in the following cases:
– during commissioning
– after changes in the system structure

– after a factory reset
9.6 Configuration
Menu Value Description
Base menu
"•OPERAT•" "Auto" Automatic mode
Main menu
"1 IDENT"
"ActTyp" Actuator type
"linear" linear
"rotary" rotary
"2 PARA"
"CurTyp" Type of setpoint characteristic curve
"linear" linear (factory setting)
"1:25"
"1:33"
"1:50"
equal percentage
"25:1"
"33:1"
"50:1"
inverse equal percentage
"userdef" user-defined
"CurDef" Support point
"0%0.0…100" Support point at 0%
Factory setting: 0.0
"100%0.0…100" Support point at 100%
Factory setting: 100
"TC-Mod" Seal-closing mode
"inactiv" Deactivated (factory setting)
"bothact" Active for lower and upper end positions
"up_act" Active for upper end position
"low_act" Active for lower end position
"TC-low" Value for the lower seal-closing boundary
"0.0…45.0%" Factory setting: 2.0%
"TC-up" Value for the upper seal-closing boundary
"55.0…100.0 %" Factory setting: 98.0%
"SL-Mod" Stroke-limitation mode
"inactiv" Deactivated (factory setting)
"bothact" Active for bottom and top stroke limitation
"up_act" Active for upper stroke limitation
"low_act" Active for lower stroke limitation
"SL-low" Lower stroke limitation value
"0.0…90.0" Factory setting: 0.0%
"SL-up" Upper stroke limitation value
"10.0…100.0" Factory setting: 100.0%
"Deadbd" Deadband
"0.5…10.0 %" Factory setting: 1.0%
"P-Gain" P-proportion
"0…25000"
"I-Gain" I-proportion
"0…25000"
"D-Gain" D-proportion
"0…25000"
"3 IN/OUT"
"AI-Typ" Analogue input
"0…10 V" Voltage input 0…10V
"0…20 mA" Current input 0…20mA
"4…20 mA" Current input 4…20mA (factory setting)
"SR-Mod" Split-range mode
"inactiv" Deactivated (factory setting)
"bothact" Active for lower and upper boundaries
"up_act" Active for upper boundary
"low_act" Active for lower boundary
"SR-low" Value for lower boundary of the split-range
"0…99%" Factory setting:0%
"SR-up" Value for upper boundary of the split-range
"1…100 %" Factory setting:100%
"Dir-In" Setpoint value direction
"rising" The setpoint position is incremented with
increasing setpoint value (factory setting).
"falling" The setpoint position is incremented with falling
setpoint value.
"DirOut" Position feedback direction
Menu Value Description
"rising" The position feedback is incremented with
increasing actual position (factory setting).
"falling" The position feedback is incremented with falling
actual position.
"DI-Fct" Digital output function
"inactiv" Deactivated (factory setting)
"stop" Pneumatic outlets 2 and 4 are closed.
"exhaust" Exhaust pneumatic outlet 2/pressurise pneumat-
ic outlet 4
"pressur" Pressurise pneumatic outlet 2/exhaust pneumat-
ic outlet 4
"a-init" Performing initialisation
"DI-Log" Digital input logic
"lowact" Switching logic active low
"highact" Switching logic active high (factory setting)
"DO1Fct" Digital output 1 function
"inactiv" Deactivated (factory setting)
"lowlmt" Feedback of reaching the lower position limit
value(2%).
"uplmt" Feedback of reaching the lower position limit
value(98%).
"bothlmt" Feedback of reaching the upper or lower position
limit value.
"DO1Log" Digital output 1 logic
"lowact" Switching logic active low
"highact" Switching logic active high (factory setting)
"DO2Fct" Digital output 2 function
"inactiv" Deactivated (factory setting)
"lowlmt" Feedback of reaching the lower position limit
value(2%).
"uplmt" Feedback of reaching the lower position limit
value(98%).
"bothlmt" Feedback of reaching the upper or lower position
limit value.
"DO2Log" Digital output 2 logic
"lowact" Switching logic active low
"highact" Switching logic active high (factory setting)
"ErrLog" Switching logic of digital alarm output
"lowact" Switching logic active low
"highact" Switching logic active high (factory setting)
"DO-Mod" Switching mode of digital outputs
"PNP" PNP polarity of switching outputs (factory set-
ting)
"NPN" NPN polarity of switching outputs
"6 DEVICE"
"FReset" Reset parameter to factory setting
"BLight" Background lighting of digital display
"onpress" switched on with actuation of control buttons
(factory setting)
"onerror" switched on with system error
"always" always switched on
Tab. 4 Relevant parameters
10 Operation
10.1 Restoring factory settings
1. Open "Device" menu.
2. Select FReset function.
3. Press Set pushbutton.
ÄThe display shows "PROCEED...YES...NO".
4. Press Add to confirm the reset to factory settings.
ÄAfter the successful reset the display shows "FRESET success".
11 Maintenance
When used as intended, the product is maintenance-free.
12 Malfunctions
Detailed instructions for fault clearance èDescription of positioner CMSX
è 1.1 Applicable documents

13 Disassembly
CAUTION!
Pressurised lines
Even if the compressed air feed is shut off the pneumatic ports of the positioner
may still be under pressure.
• Exhaust the pneumatic ports (working ports) before disconnecting the hose
assemblies.
13.1 Dismantling CMSX-...
1. Switch off compressed air.
2. Activate in the manual operation base menu: "ManVent".
3. Move actuator until the working ports are completely exhausted.
4. Switch off power supply.
5. Unscrew housing screws (è Fig.1,3 or è Fig.2,3) and remove the hous-
ing cover.
6. Loosen electrical and pneumatic connections.
7. Unscrew 4 retaining screws (è Fig.4,3 or è Fig.6,4) and remove the
positioner with the mounting adapter.
14 Disposal
ENVIRONMENT!
Send the packaging and product for environmentally sound recycling in accord-
ance with the current regulations èwww.festo.com/sp.
15 Technical data
Type CMSX-...-C-U-F1
General
Design digital, electro-pneumatic positioner
Mode of operation
CMSX-P-...-C-U-F1-S-... single-acting
CMSX-P-...-C-U-F1-D-... double-acting
Design characteristics
CMSX-P-…-C-U-F1-S-…-A Safety position – pneumatic outlet 4
exhausted
CMSX-P-S-C-U-F1-D-…-A Safety position – pneumatic outlet 4
exhausted, pneumatic outlet 2 pressur-
ised
CMSX-P-…-C-U-F1-…-C Safety position - pneumatic outlets
closed
Mounting position Any
Type of mounting with accessories
Mode of operation of displacement encoder Potentiometer
Sensing range [°] 0…100
Display LCD, backlight
7-segment display
Setting options via display and keys
Deadband size [%] 0.5…10
Pneumatics
Operating pressure [bar] 3…8
Operating medium Compressed air to ISO8573-1:2010
[7:4:4]
Note on the operating medium lubricated operation not possible
Standard nominal flow rate
CMSX-...-50 [l/min] 50
CMSX-...-130 [l/min] 130
Pneumatic connection Gx
Electrics
Nominal operating voltage [V] 24
Operating voltage range DC [V] 21.6…26.4
max. current consumption [mA] 600
Reverse polarity protection for operating voltage connection
Connection resistance [kΩ] < 80
Analogue input
Signal range [mA] 4…20
0…20
[V] 0…10
Linearity error at 25 °C [%] < 0.5
Temperature coefficient [%FS/K ] < 0.02
Resolution [bit] 16
Overload protection Yes
Galvanic isolation No
Analogue output
Signal range [mA] 4…20
max. load resistance [Ω] ≤ 600
Linearity error at 25 °C [%] < 0.5
Type CMSX-...-C-U-F1
Temperature coefficient [%FS/K ] < 0.02
Resolution [bit] 12
Reverse polarity protection Yes
Short circuit current rating Yes
Overload protection Yes
Electrical isolation No
Digital input
Input characteristics in accordance with IEC 61131-2, type 3
Switching input PNP (positive switching)
NPN (negative switching)
Reverse polarity protection Yes
Electrical isolation yes, optocoupler
Digital output
Supply voltage [V] 24
Characteristic curve as per IEC 61131-2, type 2
Switching output 3 x PNP or 3 x NPN switchable
max. output current [mA] 100
Reverse polarity protection Yes
Short circuit current rating Yes
Overload protection Yes
Electrical isolation yes, optocoupler
Electrical connection
Electrical connection 1
Function Power supply
Power supply load
Analogue input
Analogue output
3x digital output
2x digital input
Connection type Terminal strip
Connection technology Screw terminal
Number of pins/wires 14
Tightening torque [Nm] < 0.6
Conductor cross section [mm"] < 1.5
Electrical connection 2,
with CMSX-P-SE-C-U-F1-…
Function Connection of external path/angle
sensor
Connection type Terminal strip
Connection technology Screw terminal
Number of pins/wires 3
Cable connector M20 x 1.5 for electrical connection 1
M12 x 1.5 for electrical connection 2
approved cable diameter [mm] 7…13 for electrical connection 1
3…6.5 for electrical connection 2
max. cable length [m] 30 for electrical connection 1
3 for electrical connection 2
Ambient conditions
Ambient temperature [°C] –5…+60
Storage temperature [°C] –20…+60
Relative humidity [%] 5…95, non-condensing
Degree of protection IP65
Shock resistance in accordance with EN 60068 part 2-29
Vibration resistance in accordance with EN 60068 part 2-6
Contamination level 3
Materials
Housing PC
Inspection window material PC
Base plate Aluminium
Shaft High-alloy stainless steel
Coupling High-alloy stainless steel
Screws High-alloy stainless steel
Seals NBR
Cable connector PA
Blanking plug PA
PWIS criterion PWIS-free
Information on materials RoHS-compatible
Tab. 5 Technical data