Emerson Fisher 4200 Series, Fisher 4211, Fisher 4212, Fisher 4215, Fisher 4220 Instruction Manual

...
Instruction Manual
Form 5596 July 2005
4200 Series Transmitters
4200 Series Electronic Position Transmitters
Contents
Introduction 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1. . . . . . . . . . . . . . . . . . . . . . . . .
Description 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Connections 7. . . . . . . . . . . . . . . . . . .
Sliding-Stem Actuator Mounting 7. . . . . . . . . . .
Rotary-Shaft Actuator Mounting 7. . . . . . . . . . .
Long Stroke Sliding-Stem Actuator
Mounting Type 585C and 470-16 8. . . . . . . .
Long Stroke Sliding-Stem Actuator
Mounting Type 585CLS and 490 9. . . . . . . .
Electrical Connections 9. . . . . . . . . . . . . . . . . . . . .
Conduit 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Wiring 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Potentiometer Alignment 12. . . . . . . . . . . . . . . . .
Direct or Reverse Action 14. . . . . . . . . . . . . . . . . .
Operating Information 16. . . . . . . . . . . . . . . . . . . . .
Initial Considerations 16. . . . . . . . . . . . . . . . . . . . .
Transmitter and Position Switch
Conditions 16. . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Operation 16. . . . . . . . . . . . . . . . . . . . . . . .
Calibration 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Equipment Required 17. . . . . . . . . . . . . . . . .
Test Connections to the Field Wiring
Compartment 17. . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter Circuit Zero and Span
Adjustment 17. . . . . . . . . . . . . . . . . . . . . . . . . . .
High and Low Position Switch Adjustment 19. .
Setting the High Position Switch 19. . . . . . . . . .
Setting the High Position Switch
Deadband 19. . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the Low Position Switch 19. . . . . . . . . .
Setting the Low Position Switch
Deadband 20. . . . . . . . . . . . . . . . . . . . . . . . . . .
Position Switch Circuit Shutoff 20. . . . . . . . . . . . .
Principle of Operation 21. . . . . . . . . . . . . . . . . . . . .
Transmitter Circuit 21. . . . . . . . . . . . . . . . . . . . . . .
Position Switch Circuit 21. . . . . . . . . . . . . . . . . . . .
Maintenance 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Procedures 23. . . . . . . . . . . . . .
Transmitter Circuit 23. . . . . . . . . . . . . . . . . . . . . .
Position Switch Circuit 23. . . . . . . . . . . . . . . . . .
W4273-1
SLIDING-STEM
ACTUATOR MOUNTING
Figure 1. Typical 4200 Series Position Transmitters
Parts Ordering 26. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loop Schematics and Nameplates 40. . . . . . . . . .
Introduction
Scope of Manual
This instruction manual provides installation, operating, calibration, maintenance, and parts ordering information for the 4200 Series electronic position transmitters (figure 1). Refer to separate instruction manuals for information on the actuator and valve.
W4274-1
ROTARY
ACTUATOR MOUNTING
www.Fisher.com
D200354X012
4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
No person may install, operate or maintain a 4200 Series electronic position transmitter without first D being fully trained and qualified in valve, actuator and accessory installation, operation and maintenance, and D carefully reading and understanding the contents of this manual. If you have any questions about these instructions, contact your FisherR sales office.
Note
Neither Emerson
R
, Emerson Process Management, Fisher, nor any of their affiliated entities assumes responsibility for the selection, use and maintenance of any product. Responsibility for the selection, use and maintenance of any product remains with the purchaser and end-user.
Description
The 4200 Series electronic position transmitters combine Fisher’s field-proven electronic and mechanical expertise in a versatile, accurate instrument. It senses the position of a sliding stem actuator, rotary actuator, vent, damper, or other device and sends a standard (4 to 20 milliampere) output signal to an indicating device, a process control system or programmable logic controller. The 4200 Series transmitters are available as a transmitter only, as a transmitter with integral high and low position switches, or with high and low position switches only. Refer to the nameplate to determine the type of transmitter. Use the Type number and table 2 to determine the output and travel ranges available from the transmitter.
1000
750
650
500
250
LOAD IMPEDANCE (OHMS)
0
0
POWER SUPPLY VOLTAGE (VOLTS dc)
A6765/IL
10
11
Figure 2. Power Supply Requirements
24
OPERATING REGION
3020
MAXIMUM TRANSMITTER TERMINAL VOLTAGE
NOMINAL SUPPLY VOLTAGE
MINIMUM TRANSMITTER TERMINAL VOLTAGE
For instruments equipped with position switches, the high relay position switch can be set at any point of travel. The low relay position switch can be offset from the high relay position switch trip point by as little as 1/20 of the travel. In the event of a power loss both position switch relays de-energize, indicating loss of transmitter power.
Specifications
Specifications for the 4200 Series transmitters are listed in table 1.
When the instrument is mounted, the potentiometer shaft (figure 3) is mechanically connected to the device to sense mechanical motion. Except for the Type 4215 transmitter, all types of transmitters use a single potentiometer for position input. The Type 4215 transmitter uses dual potentiometers mounted on the same shaft. This permits using individual potentiometers for the transmitter and the position switch circuits, providing additional electrical isolation. For long stroke applications, a multi-turn potentiometer attached to a cable/pulley assembly senses linear motion of the actuator stem or other device.
2
WARNING
This product is intended for a specific current range, temperature range and other application specifications. Applying different current, temperature and other service conditions could result in malfunction of the product, property damage or personal injury.
Instruction Manual
(mA)
Form 5596 July 2005
4200 Series Transmitters
Table 1. Specifications
Available Configurations
See table 2
Input Signal
(1)
Source: Single potentiometer is standard or a dual potentiometer is available for the Type 4215 only. Refer to table 3 for zero and span limits
Output Signal
Range
(1)
(1)
: 4 to 20 milliampere dc transmitter
output (Type 4210, 4211, 4215, 4220, and 4221 transmitters)
Load Impedance (transmitter only)
(1)
: See
figure 2. Output Current Limit: 30 milliamperes dc maximum Switches: ON/OFF condition of high and low position switch relay (SPDT)
Power Supply Requirements
Transmitter
Terminal Voltage
(Vdc)
Min Max
Transmitter Only 11 30 20 max. Position Switch with
Transmitter Position Switch without
Transmitter
1. Values indicate minimum power supply capabilities.
20 30 80 max.
20 30 50 max.
Current
Required
Operating Influences
Ambient Temperature
(1)
(1)
: For a 56_C (100_F)
change in normal operating conditions, maximum zero shift is ±0.5%; maximum span shift is ±0.75% of span Power Supply: Output signal changes less than ±0.1% when operating terminal voltage varies between 11 and 30 volts dc
Electromagnetic Interference (EMI)
(1)
: Tested per IEC 61326-1 (Edition 1.1). Conforms to the European EMC Directive. Meets emission limits for class A equipment (industrial locations) and class B equipment (domestic locations). Meets immunity requirements for industrial locations (Table A.1 in the IEC specification document). Immunity performance shown in table 4.
Operating Conditions
Condition
1
Ambient Temperature
Ambient Relative Humidity
(−40 to 160_F)
(1)
Normal and
Operative
Limits
−40 to 71_C
10 to 95% 10 to 95% 40%
Transportation
and Storage
Limits
−50 to 71_C
(−60 to 160_F)
Normal
Reference
25_C
(77_F)
Mounting
The instrument can be mounted on the actuator of sliding stem or rotary valves or on other devices
Recommended Power Supply
24 volts dc nominal
Position Switch Relays
Type: Two single-pole, double-throw relays
(SPDT) Service Rating: The relay contact rating is 5 amperes at either 30 volts dc or 120 volts ac (resistive load) Life Expectancy: 100,000 operations at rated load, or 50,000 operations at a typical inrush current of 10 amperes with 120 volts ac lamp or motor load
Reference Accuracy
±1% of output span. Includes combined effects of hysteresis, linearity, and deadband
Repeatability
(1)
±0.25% of span
1. These terms are defined in ISA Standard S51.1.
Electrical Classification
Explosion proof, Dust-Ignition proof, Intrinsically Safe
Explosion proof, Dust-Ignition proof, Intrinsically Safe
APPROVED
ATEX
Intrinsically Safe and Type n
Refer to tables 5 and 6, figures 24, 25, 26, 27, and 28, and the Hazardous Area Classification bulletins 9.2:001 series and 9.2:002 for additional information and/or approvals.
Housing
NEMA 4X; CSA Enclosure 4; IP66
Approximate Weight
Transmitter Without Mounting Bracket: 1.8 kg (4 pounds)
3
4200 Series Transmitters
ELECTRICAL
POTENTIOMETER
CONNECTION
TYPE
CONNECTION
(1)
Zero
Zero
Zero
4211
0 to 90
15
90
4221
0 to 884
150
884
Enclosure
l
I/O signal/control
Table 2. Available Configurations
TYPE
NUMBER
4210 4211 4212 4215
4220 4221 4222
1. See table 3 for zero and span limits.
TRANSMITTER
X X
− − − X
X X
− − −
POSITION
SWITCHES
X
− − − X X
X
− − − X
Standard Stroke Up to 105 mm
(Up to 4.125 Inches)
(1)
X X X X
− − −
− − −
− − −
TRAVEL
Long Stroke
Up to 610 mm
(Up to 24 Inches)
(1)
− − −
− − −
− − −
− − − X
X X
Instruction Manual
Form 5596
July 2005
DUAL
POTENTIOMETER
− − −
− − −
− − − X
− − −
− − −
− − −
Zero
(2)
SLIDING STEM ACTUATOR TRAVEL
mm INCHES
Span
Min. Max.
Zero
Position
Span
Min. Max.
Table 3. Zero and Span Limits
DEGREES OF
TYPE
NUMBER
4210 4211 4212 4215
4220 4222
1. Refer to figures 15, 22, and 23 for locations of connections.
2. Zero position is the range of values over which the transmitter zero can be adjusted. Span is the range of shaft rotation or stem travel the transmitter span can be adjusted. For example, a zero position of 45 degrees and a span of 15 degrees means the transmitter output is 4 mAdc after 45 degrees of shaft rotation. The output then increases from 4 mAdc to 20 mAdc as the shaft rotates from 45 to 60 degrees.
Zero
Position
ROTATION
Min. Max.
Span
(1)
Position
1 0 to 51 8 51 0 to 2 0.315 2
2 0 to 105 17 105 0 to 4.125 0.670 4.125
12-Inch Transducer 0 to 305 105 305 0 to 12 4.125 12 24-Inch Transducer 0 to 610 305 610 0 to 24 12 24
Table 4. Immunity Performance
Port Phenomenon Basic Standard Performance Criteria
Electrostatic discharge (ESD) IEC 61000-4-2 A
Enclosure
I/O signal/contro
Specification limit = ±1% of span
1. A = No degradation during testing. B = Temporary degradation during testing, but is self-recovering.
Radiated EM field IEC 61000-4-3 A Rated power frequency magnetic field IEC 61000-4-8 A Burst (fast transients) IEC 61000-4-4 A Surge IEC 61000-4-5 B Conducted RF IEC 61000-4-6 A
(1)
Educational Services
For information on available courses for 4200 Series electronic position transmitters, as well as a variety of other products, contact:
Emerson Process Management Educational Services, Registration P.O. Box 190; 301 S. 1st Ave. Marshalltown, IA 50158−2823 Phone: 800−338−8158 or Phone: 641−754−3771 FAX: 641−754−3431 e-mail: education@emersonprocess.com
4
Instruction Manual
ATEX
Form 5596 July 2005
CERTIFICATION
BODY
CSA
FM
MODEL/
TYPE
4211, 4221
4210, 421 1, 4212, 4215, 4220, 4221, 4222
4210, 421 1, 4212, 4215, 4220, 4221, 4222
4211, 4221
4210, 421 1, 4212, 4215, 4220, 4221, 4222
4211, 4221 Class I Division 2 GP A,B,C,D − − − 4210, 421 1,
4212, 4215, 4220, 4221, 4222
4200 Series Transmitters
Table 5. Hazardous Area Classifications for North America
CERTIFICATION OBTAINED ENTITY RATING
(Intrinsic Safety) Class/Division SClass I,II,III Division 1 GP A,B,C,D,E,F,G per drawing 20B6503
(Explosion Proof) Class/Division SClass I, Division 1 GP C,D
Class II Division 1 GP E,F,G
(Intrinsic Safety) Class/Division SClass I,II,III Division 1 GP A,B,C,D,E,F,G per drawing 20B6408
(Explosion Proof) Class/Division SClass I, Division 1 GP C,D
Class II Division 1 GP E,F,G − − −
V
= 40 Vdc
max
= 200 mA
I
max
= 5 nF
C
i
= 0 mH
L
i
− − −
− − −
− − −
TEMPERATURE
CODE
TC3 (T
T5 (T
T5 (T
T4A (T
T5 (T
T5 (T
T5 (T
amb
amb
amb
amb
amb
amb
amb
71°C)
71°C)
71°C)
71°C)
71°C)
71°C)
71°C)
ENCLOSURE
RATING
4X
4X
4X
4X
4X
4X
4X
CERTIFICATE
(AGENCY)
ATEX
(LCIE)
MODEL/
TYPE
4211, 4221
4211, 4221
Table 6. Hazardous Area Classifications for Europe and Asia-Pacific
CERTIFICATION OBTAINED ENTITY RATING
(Intrinsic Safety) II 1 G Gas SEEx ia IIC T4/T5 Dust ST81C (T
71°C)
amb
Ui = 30 Vdc I
= 150 mA
i
P
= 1.0 W
i
= 5 nF
C
i
L
= 0 mH
i
(Type n) II 3 G Gas SEEx nL IIC T4 Dust ST81C (T
71°C)
amb
− − −
TEMPERATURE
T4 (T
amb
T5 (T
amb
T4 (T
amb
CODE
71°C) 40°C)
71°C)
ENCLOSURE
RATING
IP66
IP66
5
4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
PORT 1/2-INCH NPT (2 PLACES)
51
51 (2.00)
19A7968−E B1910−4 / IL
(2.00)
BOTTOM VIEW
5/16-18UNC 13 DEEP (0.53)
CAP (2 PLACES)
6 (0.25) DIA.
END VIEW
Figure 3. Transmitter Dimensions
Installation
WARNING
Always wear protective clothing and eyewear when performing any installation operations to avoid personal injury.
Check with your process or safety engineer for any additional measures that must be taken to protect against process media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this instruction manual.
When the 4200 Series transmitters are ordered with an actuator, the factory mounts the transmitter and adjusts the zero and span for the travel specified on the order. Make field wiring connections as described in the electrical connections procedure and fine tune the transmitter to the application. Refer to the appropriate actuator and valve instruction manuals to install the attached assemblies.
If the transmitter has been ordered separately, or removed for maintenance, perform the appropriate portion of the Mechanical Connections, Electrical Connections, Potentiometer Alignment, and Calibration procedures.
The transmitter can be mounted in any of four positions. Mount the transmitter vertically or
102 (4.00)
67 (2.62)
TRANSMITTER COMPARTMENT
102 (4.00)
35 (1.38)
75
21 (0.81)
ALLOW 254 mm (10 INCHES) FOR MAINTENANCE (2 PLACES)
(3.00)
159 (6.25)
67 (2.62)
SIDE VIEW
FIELD WIRING COMPARTMENT
POTENTIOMETER SHAFT
mm (INCH)
horizontally depending on the application requirements. Refer to figures 15 through 23 for examples of typical actuator mounting assemblies.
As an aid to installation, and to understand the transmitter design in general, refer to figure 3 which shows the location of the transmitter compartment and the field wiring compartment. The transmitter compartment contains the transmitter and/or the position switch circuit on the printed wiring board, associated wiring assemblies, adjustment potentiometers, and the potentiometer that senses position. Remove the cover on the transmitter compartment to gain access to this compartment. The transmitter compartment is adjacent to the symbol on the housing.
Except for a Type 4211 or 4221 transmitter, the field wiring compartment contains a printed wiring board with the terminal blocks (figure 4) for connecting field wiring and associated cable assemblies. It also contains the position switch relays which are mounted on the printed wiring board. Remove the cap adjacent to the + and − symbols on the housing to access this compartment.
For a Type 4211 or 4221 transmitter without position switch circuits, the field wiring compartment contains a barrier strip for installation of the transmitter field wiring (figure 4).
Figure 3 shows the location of the ports into the field wiring compartment. Two ports are available for routing the transmitter and/or position switch wiring into the transmitter housing. After transmitter installation, install a plug in the unused port. When installing the transmitter, allow sufficient space for
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Instruction Manual
Form 5596 July 2005
4200 Series Transmitters
removing the covers to perform maintenance and to make the wiring connections. Figure 3 also shows the basic transmitter outline dimensions.
Mechanical Connections
Sliding-Stem Actuator Mounting, Types 4210, 4211, 4212, and 4215
Use the following general procedures and figures 15, 16, 17, and 18 to mount the transmitter on sliding-stem actuators, standard stroke up to 105 mm (4.125 inches) travel.
Refer to figure 15 for key number locations for this example.
1. Install the transmitter on the mounting plate (key 21) with two cap screws (key 32).
2. Bolt the stem mounting bracket and spacer (keys 34 and 39) to the stem connector on the actuator stem. Replace the stem connector cap screws with the two cap screws (key 35) furnished with the stem mounting bracket.
3. If necessary, refer to the appropriate procedures in the actuator instruction manual to reconnect the actuator stem to the valve stem.
4. Fasten the stem bracket (key 33) to the stem mounting bracket (key 34) with two cap screws (key 37) centered in the slots of the stem bracket. Tighten the cap screws slightly.
5. On the transmitter, install the pickup pin into the lever assembly (key 30) in the position to match the application. Refer to table 3 and figure 15.
6. Temporarily connect the 24 volt dc power supply to the instrument as indicated in figure 4.
7. Perform the potentiometer alignment procedures before mounting the transmitter on the actuator. To simulate mid-stroke position in step 4 of the procedure, move the lever assembly (key 30) until its center line is parallel with the center line of the operating arm (key 25). After completing step 9 of the potentiometer alignment procedure, remove the 24 volts dc, and continue the actuator mounting procedure as described in the following steps.
8. Stroke the actuator to the mid position of the valve travel.
9. Fit the pickup pin, located in the lever assembly (key 30), into the horizontal slot in the stem bracket (key 33). Bolt the mounting plate (key 21) to the actuator with cap screws, washers, and spacers
(keys 23, 24, and 22) using the two tapped holes in the side of the actuator yoke.
10. Use the mounting plate slots, which allow the lever assembly (key 30) and the operating arm (key 25) to be nearly parallel, and position the long edge of the mounting plate parallel with the actuator stem. Tighten the bolts securely.
11. Loosen the two cap screws (key 37) connecting the stem bracket (key 33) to the stem mounting bracket (key 34). Manually move the lever assembly (key 30) until its center line is parallel with the center line of the operating arm (key 25).
12. Tighten the two cap screws (key 37) in the slotted holes.
13. Stroke the actuator to ensure that full travel is allowed.
14. Perform the electrical connection and direct and reverse action procedures.
15. Verify potentiometer alignment by performing the potentiometer alignment procedure.
Rotary-Shaft Actuator Mounting, Types 4210, 4211, 4212, and 4215
Use the following general procedures and figures 19, 20, and 21 to mount the transmitter on rotary-shaft actuators.
Refer to figure 19 for key number locations for this example.
1. Install the transmitter on the mounting plate (key 21) with two cap screws (key 32). The transmitter can be mounted in any of four positions on the bracket. Tighten the cap screws slightly.
2. On the actuator, attach the coupler plate assembly (key 57) and travel indicator to the actuator shaft. This is accomplished by removing two self-tapping screws and travel indicator and replacing them with the self-tapping screws and coupler plate assembly furnished with the transmitter for the mounting application.
3. Install the mounting plate (key 21) on the actuator using the four cap screws and washers (keys 23 and 24). The transmitter and bracket can be mounted in any of four positions by using the cap screws (key 23) on the face of the actuator hub.
4. Tighten the cap screws (key 23) slightly while aligning the potentiometer shaft on the transmitter with the coupler plate assembly pin (key 57). When aligned, tighten the four cap screws (key 23). Maintain this alignment while tightening the two cap
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4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
screws (key 32) holding the transmitter to the mounting plate (key 21).
5. Slide the coupler (key 52) over the potentiometer shaft and into the hole in the mounting plate (key 21). Slide the coupling (key 54) onto the plate assembly pin and attach the coupling to the plate assembly pin using the set screw.
6. Slide the coupler (key 52) into the coupling (key 54). The coupling should not be deflected in any direction when installed. Do not tighten the coupling set screw (key 53) as it will be tightened during the potentiometer alignment procedure.
7. Perform the electrical connections and potentiometer alignment procedures.
Long Stroke Sliding-Stem Type 585C and 470-16 Actuator Mounting, Types 4220, 4221, and 4222
Use the following general procedures and figure 22 to mount the transmitter on long stroke sliding-stem Type 585C and 470-16 actuators with 105 to 206 mm (4.125 to 8.125 inches) travel.
4. Attach the cable transducer housing (key 100A) to the mounting plate (key 63) using cap screws (key 103) and hex nuts (key 104).
5. Attach the mounting plate (key 63) to the actuator using hex head cap screws (key 32). Note: Some actuators may require spacers (key 101) between the mounting plate (key 63) and the actuator.
CAUTION
Free release of the cable (key 100B) will damage the transducer. Whenever the cable (key 100B) is extended, take steps to ensure that free release does not happen.
6. Carefully pull the cable (key 100B) down to the cable bracket (key 60) and attach it with the socket head cap screw (key 102), the lock washer (key 83) and the nut (key 72).
7. Remove the four cap screws (key 100D) and the mounting plate (key 100C) from the cable transducer.
8. Mount the mounting plate (key 100C) to the transmitter using cap screws (key 105).
CAUTION
To avoid damaging the potentiometer after the transmitter is mounted, do not stroke the actuator without first loosening the socket screw set (key 100F) that fastens the coupling (key 100E) to the potentiometer shaft (key 5).
1. Stroke the actuator to mid-stroke.
2. Bolt the cable bracket (key 60) to the stem connector on the actuator stem. To do this, first replace the existing stem connector cap screws with studs (key 78). Slide the cable bracket (key 60) over the studs (key 78) before installing the nuts (key 71). Tighten the nuts (key 71).
3. If necessary, refer to the appropriate actuator instruction manual for the procedure to reconnect the actuator stem to the valve stem.
9. Verify that the actuator is still in the mid-stroke position. Loosen the socket cap screws (key 100F) and rotate the coupling until the socket cap screws (key 100F) can be accessed with a hex wrench through one of the openings in the cable transducer housing (key 100A). Lock the coupling in place by tightening the inboard socket cap screw (key 100F).
10. Turn the potentiometer shaft (key 5) to the midpoint of it’s range.
11. Carefully install the transmitter to the cable transducer housing (key 100A) making sure that the potentiometer shaft (key 5) slides freely into the coupling (key 100E) and remains in the midpoint position. Reinstall the four cap screws (key 100D).
12. Lock the coupling (key 100E) to the potentiometer shaft (key 5) by tightening the outer socket cap screw (key 100F).
13. Install the cable cover assembly (key 64) on to the mounting plate (key 63) with the two machine screws (key 81). Attach the lower end of the cable cover assembly (key 64) to the actuator yoke with the cap screw (key 82). Note: Some actuators may require additional pieces to fully cover the yoke.
14. Perform the electrical connections.
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Instruction Manual
Form 5596 July 2005
4200 Series Transmitters
Long Stroke Sliding-Stem Type 585CLS and 490 Actuator Mounting, Types 4220, 4221, and 4222
Use the following general procedures and figure 23 to mount the transmitter on long stroke sliding-stem Type 585CLS and 491 actuators with 229 to 610 mm (9 to 24 inches) travel.
CAUTION
To avoid damaging the potentiometer after the transmitter is mounted, do not stroke the actuator without first loosening the socket screw set (key 100F) that fastens the coupling (key 100E) to the potentiometer shaft (key 5).
1. Stroke the actuator to mid-stroke.
2. Bolt the cable clip (key 61) to the stem connector on the actuator stem. To do this, first replace the existing stem connector cap screws with a stud (key
35). Slide the cable clip (key 61) over the stud (key 35) before installing the nuts (key 73). Tighten the nuts.
3. If necessary, refer to the appropriate actuator instruction manual for the procedure to reconnect the actuator stem to the valve stem.
4. Attach the cable transducer housing (key 100A) to the mounting plate (key 63) using cap screws (key 103) and hex nuts (key 104).
5. Attach the mounting plate to the actuator using hex head cap screws (key 75). Note: Some actuators may require spacers (key 101) between the mounting plate (key 63) and the actuator.
8. Mount the mounting plate (key 100C) to the transmitter using cap screws (key 105).
9. Verify that the actuator is still in the mid-stroke position. Loosen the socket cap screws (key 100F) and rotate the coupling until the socket cap screws (key 100F) can be accessed with a hex wrench through one of the openings in the cable transducer housing (key 100A). Lock the coupling in place by tightening the inboard socket cap screw (key 100F).
10. Turn the potentiometer shaft (key 5) to the midpoint of it’s range.
11. Carefully install the transmitter to the cable transducer housing (key 100A) making sure that the potentiometer shaft (key 5) slides freely into the coupling (key 100E) and remains in the midpoint position. Reinstall the four cap screws (key 100D).
12. Lock the coupling (key 100E) to the potentiometer shaft (key 5) by tightening the outer socket cap screw (key 100F).
13. Install the lower yoke cover (key 69) on to actuator yoke with pan head machine screws (key
77) and washers (key 86).
14. Perform the electrical connections.
Electrical Connections
Note
For intrinsically safe installations, refer to loop schematics or to instructions supplied by the barrier manufacturer for proper wiring and installation.
Conduit
Install conduit using local and national electrical codes which apply to the application.
CAUTION
Free release of the cable (key 100B) will damage the transducer. Whenever the cable (key 100B) is extended, take steps to ensure that free release does not happen.
6. Carefully pull the cable (key 100B) down to the cable clip (key 61) and attach it with the socket head cap screw (key 102), the lock washer (key 83) and the nut (key 72).
7. Remove the four cap screws (key 100D) and the mounting plate (key 100C) from the cable transducer.
WARNING
For explosion-proof applications, install a suitable conduit seal no more than 460 mm (18 inches) from the transmitter. Personal injury or property damage may result from fire and explosion if the seal is not installed.
Field Wiring
Figure 4 shows typical field wiring connections into the field wiring compartment. The transmitter is powered by 24 volts dc. Refer to table 1 to
9
4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
determine the power supply requirements. For units without position switches, the 24 volts dc can be provided by the receiving device or an external supply.
For units with position switches, the power supply provides 24 volt dc power to the position switch circuit in units without the transmitter, or to both the position switch circuits and transmitter in units with the transmitter. A 24 volt dc power supply independent of the receiving device is recommended. A separate return is required for the relays. This prevents relay return currents from flowing in the transmitter 4 to 20 ma dc current loop.
For the position switch relay wiring, during normal operating conditions relays K1 and K2 are energized, which connects the common (C) terminal to the normally open (NO) terminal (TB1 and TB2, figure 4). During a tripped (or alarm) condition the relay is de-energized, which connects the C terminal to the normally closed (NC) terminal. If power is removed or lost from the power supply both relays are de-energized which connects the common (C) terminals to the normally closed terminals (NC).
CAUTION
Connect the transmitter grounding terminal (key 58) to an earth ground. Improper grounding of the position transmitter can cause erratic operation.
Before making transmitter or position switch connections, ensure that the power supply is turned off. Refer to figure 4 for location of connections.
1. Remove the cover from the field wiring compartment.
2. Bring the transmitter field wiring and/or position switch wiring into the housing through one or both of the ports.
3. Field wiring connections:
(−) terminal of the power supply to the (R) terminal on TB3. Also connect a wire from the (−) terminal on the power supply to the negative (−) terminal of the receiving device. Connect a wire from the receiving device positive (+) terminal to the (−) terminal on TB3. Connect a wire from the (+) terminal on the power supply to the (+) terminal on TB3. Provide wiring for the position switch indicating device to match the application.
b. For Type 4212 and 4222 position switches without a transmitter, connect a wire from the (+) terminal of the power supply to the (+) terminal on TB3. Connect a wire from the (−) terminal of the power supply to the (R) terminal on TB3. Provide wiring for the position switch indicating device to match the application.
c. For a Type 4211 or 4221 transmitter without position switches. Connect a wire from the (+) terminal of the power supply to the (+) terminal on the barrier strip (key 11). Connect a wire from the (−) terminal of the power supply to the negative (−) terminal of the receiving device. Connect a wire from the receiving device positive (+) terminal to the (−) terminal on the barrier strip.
4. Connect the grounding terminal (key 58) to an earth ground.
5. For a Type 4210, 4212, 4215, 4220, or 4222 instrument with position switches, perform the following steps to connect the position switch wiring:
a. Connect the high position switch field wiring from the high indicating device to TB1 on the field circuit printed wiring board.
Note
On transmitters with position switches, always make the connection between the power supply negative (−) terminal and the (R) terminal on TB3, even if the position switch outputs are not used.
a. For a Type 4210, 4215, or 4220 transmitter with position switches, connect a wire from the
10
b. Connect the low position switch field wiring from the low indicating device to TB2 on the field circuit printed wiring board.
6. If only one output port is used, screw the pipe plug (supplied with the transmitter) into the unused port.
7. Perform the potentiometer alignment and direct/reverse action procedures for all applications.
Instruction Manual
Form 5596 July 2005
4200 Series Transmitters
FIELD CIRCUIT PRINTED WIRING BOARD
TB1
GROUNDING TERMINAL UNDER PRINTED WIRING BOARD
TB2
TRANSMITTER FIELD WIRING
POSITION SWITCH FIELD WIRING
RELAY RETURN
1
FIELD WIRING COMPARTMENT
R
3
3
TB3
FOR TYPE 4210, 4215, OR 4220 TRANSMITTER WITH POSITION SWITCHES AND
FOR TYPE 4212 OR 4222 POSITION SWITCHES WITHOUT THE TRANSMITTER
4
EARTH GROUND
+
POWER SUPPLY
+
DEVICE RECEIVING 4 TO 20 MA DC SIGNAL
12
DEVICE RECEIVING LO POSITION SWITCH OUT­PUT (CONTACT CLOSURE)
DEVICE RECEIVING HI POSITION SWITCH OUT­PUT (CONTACT CLOSURE)
FIELD WIRING COMPARTMENT
TRANSMITTER FIELD WIRING
EARTH GROUND
GROUNDING TERMINAL
BARRIER STRIP (KEY 11)
SAFETY GROUND
FOR TYPE 4211 OR 4221 TRANSMITTER WITHOUT POSITION SWITCHES
NOTES:
1
TYPE 4212 AND 4222 POSITION SWITCHES WITHOUT THE TRANSMITTER CIRCUIT DO NOT REQUIRE A RECEIVING DEVICE OR
THE ASSOCIATED WIRING.
2
RECEIVING DEVICE MAY BE ANALOG CURRENT INPUT TO DISTRIBUTED CONTROL SYSTEM, PROGRAMMABLE LOGIC CONTROLLER OR INDICATING DEVICE. INDICATING DEVICE CAN BE A VOLTMETER ACROSS A 250 OHM RESISTOR OR A CURRENT METER.
3
DURING NORMAL CONDITIONS, RELAYS K1 AND K2 ARE ENERGIZED, WHICH CONNECTS THE COMMON (C) TERMINAL TO THE NORMALLY OPEN (NO) TERMINAL. A TRIPPED (OR ALARM) CONDITION IS WITH THE RELAY(S) DE-ENERGIZED, WHICH CONNECTS THE COMMON (C) TERMINAL TO THE NORMALLY CLOSED (NC) TERMINAL.
4
SEPARATE RETURN REQUIRED FOR RELAYS. RETURN WIRE MUST BE CONNECTED EVEN IF RELAY OUTPUTS ARE NOT USED.
49A7894-D 49A7892-D C0601-4/IL
+
POWER SUPPLY
DEVICE
+
RECEIVING 4 TO 20 MA DC SIGNAL
2
Figure 4. Wiring Connections
11
4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
Potentiometer Alignment
CAUTION
The following procedure must be performed prior to calibrating the transmitter or position switches. Failure to perform this procedure may result in erratic performance or unit failure.
This procedure adjusts the potentiometer to the center of its electrical travel when the control valve actuator or other device is at the center of its mechanical travel.
Refer to the Calibration section for the test equipment required in this section.
WARNING
3. Loosen the appropriate set screw connecting the potentiometer shaft to the linkage:
a. For sliding stem applications, loosen the set screw (key 26, figure 15) in the operating arm (key 30) on the potentiometer shaft.
b. For rotary actuator applications, loosen the set screw in the coupling (key 50, figure 19) on the potentiometer shaft.
c. For long stroke applications, leave the coupler (key 100E) rigidly attached to the potentiometer shaft. Loosen only the coupling screw (key 100F, figures 22 and 23) in the coupler (key 100E) on the transducer shaft.
4. Stroke the actuator or other device to the mid-stroke position.
Note
On units with position switches, the (R) terminal on TB3 must be connected to the power supply negative (−) terminal as shown in figure 9 to attain correct potentiometer alignment.
On an explosion-proof instrument, remove electrical power before removing the covers in a hazardous area. Personal injury or property damage may result from fire or explosion if power is applied to the instrument with the covers removed, in a hazardous area.
On an intrinsically safe instrument, current monitoring during operation must be with a meter approved for hazardous areas.
Refer to figure 5 for component locations.
1. Remove power from the instrument.
2. Connect the digital voltmeter (DVM) leads as follows:
a. For all transmitters (except a Type 4212 or
4222) connect between TP3 (+) and TP4 (−) on the printed wiring board.
b. For a Type 4212 or 4222 transmitter, connect the DVM between TP5 (+) and TP6 (−).
5. Apply power to the instrument.
6. While the device is in mid-stroke position, insert a screwdriver blade into the slot in the end of the potentiometer shaft (see figure 15), or turn the coupler (key 52, figure 19 or key 100E, figures 22 and 23) to turn the potentiometer shaft until the DVM reads 1.25 ±0.05 volts dc. This establishes the electrical center of the potentiometer.
7. Tighten the appropriate set screw. Check that the DVM reading has remained at 1.25 ±0.05 volts dc.
Note
For sliding stem applications, tighten the set screw (key 26, figure 15) in the operating arm (key 30) to a torque of
3.39 to 3.95 NSm (30 to 35 lbfSin).
8. Remove the power from the transmitter power supply.
9. Remove the DVM leads from TP3 and TP4 (transmitter signal) or TP5 and TP6 (position switch signal).
10. Refer to the direct or reverse action procedures.
12
Instruction Manual
Form 5596 July 2005
4200 Series Transmitters
SPAN ADJUSTMENT (R2)
ZERO ADJUSTMENT (R1)
TP1
TP4
TP2
HIGH POSITION SWITCH ADJUSTMENT (R3)
JUMPER W1 JUMPER W2
TP3
FOR TYPE 4210, 4215, OR 4220 TRANSMITTERS WITH POSITION SWITCHES
SPAN ADJUSTMENT (R16)
ZERO ADJUSTMENT (R15)
LOW POSITION SWITCH ADJUSTMENT (R6)
HIGH POSITION SWITCH DEADBAND ADJUSTMENT (R4)
JUMPER W3
LOW POSITION SWITCH DEADBAND ADJUSTMENT (R5)
TP6
TP5
39A6156-F 39A7238-E B1957-3 / IL
TP4
TP2TP3
FOR TYPE 4211 OR 4221 TRANSMITTER WITHOUT POSITION SWITCHES
HIGH POSITION SWITCH ADJUSTMENT (R3)
FOR TYPE 4212 OR 4222 POSITION SWITCHES WITHOUT TRANSMITTER
TP1
LOW POSITION SWITCH ADJUSTMENT (R6)
HIGH POSITION SWITCH DEADBAND ADJUSTMENT (R4)
JUMPER W3
LOW POSITION SWITCH DEADBAND ADJUSTMENT (R5)
TP6
TP5
Figure 5. Transmitter Printed Wiring Board Assemblies
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4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
TB1
BROWN
ORANGE
RED
FEEDTHROUGH TRANSMITTER
END VIEW CUTAWAY SIDE VIEW END VIEW
PRINTED WIRING BOARD
FOR TYPE 4210, 4215, OR 4220 TRANSMITTER WITH POSITION SWITCHES
AND FOR TYPE 4212 OR 4222 POSITION SWITCHES WITHOUT THE TRANSMITTER
PLUG
TB1
RFI FILTER
WIRES FROM RFI FILTER
CAP
O-RINGS
TRANSMITTER COMPARTMENT
RFI FILTER
PORT
POTENTIOMETER SHAFT
FIELD WIRING COMPARTMENT
TB2
TB1 TB3
GROUNDING TERMINALS
BARRIER STRIP (KEY 11)
FIELD CIRCUIT PRINTED WIRING BOARD
BROWN
ORANGE
RED
TRANSMITTER PRINTED WIRING BOARD
FOR TYPE 4211 OR 4221 TRANSMITTER WITHOUT POSITION SWITCHES
NOTES:
1
49A7894-C 49A7892-D C0602−4 / IL
WIRES CONNECTED TO TB1 ARE SHOWN IN THE COLOR SEQUENCE FOR DIRECT ACTION. FOR REVERSE ACTION, THE COLOR SEQUENCE IS RED, ORANGE, AND BROWN (FROM LEFT TO RIGHT).
Figure 6. Instrument Assembly Details
Direct or Reverse Action
Direct action means, when looking at the slotted end of the potentiometer shaft, a clockwise rotation of the shaft produces an increasing output signal from the transmitter.
Reverse action means, when looking at the slotted end of the potentiometer shaft, a clockwise rotation of the shaft produces a decreasing output signal from the transmitter.
GROUNDING TERMINALS
The transmitter produces a direct or reverse action output signal depending on the location of the potentiometer wires inserted in terminal block number 1 (TB1) mounted on the transmitter printed wiring board. Refer to figure 6 for the location of the wires and the wire color sequence for direct action.
For reverse action, exchange the positions of the brown and red wires.
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