Code |
Example |
|
|
Base Model |
Intrinsically Safe, IP-66 |
5 |
5 |
Communications and
Diagnostics |
HART; 8-DIP Set-Up with LCD Option; Standard (Basic Functionality)1,2 |
20MD+ |
20MD+ |
HART; 8-Dip Set-Up with LCD Option; Advanced (With Pressure Sensing) 1,2 |
21MD+ |
HART; 8-Dip Set-Up with LCD Option; Pro (With Full ValveSight Diagnostics) 1 |
22MD+ |
Certifications |
General Purpose |
14 |
14 |
North America/ATEX/IECEx Intrinsically Safe Cl I Div 1 Gr A,B,C,D Ex ia IIC / Non-Incendive (North America only) Cl I Div 2 Gr A,B,C,D |
37 |
|
Positioner Configuration |
- |
|
Housing |
Aluminum - Black Base with White Cover |
W |
W |
Aluminum - Black Base with Yellow Cover |
Y |
Aluminum - Black Base with Black Cover (Automax) |
B |
Aluminum - Black Base with Black Cover (Accord) |
A |
Threaded Connections |
Mounting: 5/16" 18 UNC, Pneumatics: 1/4" NPTF, Conduit: 1/2" NPTF, Vents 1/4" NPTF |
1 |
1 |
Mounting: M8 x 1.25, Pneumatics: 1/4" NPTF, Conduit: M20 x 1.5, Vents 1/4" NPTF |
2 |
Mounting: M8 x 1.25, Pneumatics: G1/4", Conduit: M20 x 1.5, Vents G1/4" |
3 |
Feedback Shaft |
D - 316 Stainless Steel Shaft (Valtek Standard) |
D |
D |
NAMUR - 316 Stainless Steel Shaft (VDI/VDE 3845) |
R |
Action |
Three-way (Single-Acting), Poppet Style Relay |
1 |
1 |
Three-way (Single-Acting), Spool Style Relay |
2 |
Four-way (Double-Acting), Spool Style Relay |
3 |
Position Indicator |
No Indicator |
0 |
F |
Flat Indicator |
F |
Domed Indicator |
D |
Special Options |
No special options |
0 |
0 |
Chinese configuration 7 |
|
|
|
Optional Mechanical Add-Ins |
- |
|
Manifold |
No Manifold 6 |
0 |
GM |
Gauge Manifold - Aluminum |
GM |
Gauges |
No Gauges |
0 |
1 |
Nickel Plated with Brass Internals, psi (bar/kPa) (Valtek Standard) |
1 |
Nickel Plated with Brass Internals. psi (kg/cm2 ) |
2 |
SS with SS Internals. psi (bar/kPa) |
3 |
SS with SS Internals. psi (kg/cm2 ) |
4 |
UCC Press Test Plug, 1/8" NPT |
A |
Valve, Tank, Schrader 645A |
B |
|
Optional Electronic Add-Ins |
- |
|
Display |
No LCD |
0 |
1 |
LCD |
1 |
Auxiliary Card Slot 1 |
Slot 1 - No Card |
0 |
1 |
Slot 1 - Multi-Function Card 3 |
1 |
Auxiliary Card Slot 2 |
Slot 2 - No Card |
0 |
0 |
Slot 2 - Multi-Function Card 3 |
1 |
Limit Switches |
No Switches |
0 |
3 |
Mechanical Limit Switch 4 |
1 |
Reed Switch |
2 |
Namur V3 type proximity switch, P+F NJ2-V3-N 4 |
3 |
Slot Type NAMUR Sensor, P+F SJ2 S1N 4 |
4 |
Slot Type NAMUR Sensor, P+F SJ2 SN 4 |
5 |
Namur V3 type proximity switch, P+F NBB2-V3-E2 4 |
6 |
Remote Mount Option 5 |
7 |
1、 |
HART 6 standard. Can be configured as HART 5 or HART 7 in the field. |
|
|
2、 |
Can be upgraded to 521MD+ or 522MD+ in the field |
3、 |
Can be configured as Analog Output, Discrete Output or Discrete Input in the field. Slot 2 available only after Slot 1 is filled. |
4、 |
Only available for general purpose (certification option 14) |
5、 |
Includes adapter board (installed in the positioner) and the low profile remote mount unit (which may be shipped separately). |
6、 |
A VDI/VDE 3847 mounting kit can be purchased as a separate item. |
7、 |
Only available with 520MD+ model.
|