UMSITRAPDS3-1 Model Designations and Specifications
November 2010
9-35
9.7 ACCESSORIES
The following table lists some of the available accessories. Additional information about transmitter
accessories can be found in Siemens publication Field Instruments for Process Automation, Catalog FI01.
TABLE 9-19 Accessories
MODEL 7MF...
DESCRIPTION
4433,
4533
4033,
4233,
4333
4633,
4812
PART NUMBER
Block & Bleed Valve N Y N 7MF9011-4FA
Three-Valve Manifold, 316 SS Y N N 7MF9411-5BA-Z + K36
External Transient Suppressor Y Y Y 16346-9112
General Purpose Power Supply, 24 Vdc, 2A Y Y Y 15124-1
Field Mounted Power Supply, 28 Vdc, 125 mA Y Y Y 16055-299
PDM Single Tag Version (Software) Y Y Y TGX:PDM3HX060YA5
USB HART Modem Y Y Y 7MF4997-1DB
Y = For use with transmitter model in table column head; N = not for use.
9.8 NETWORK TOPOLOGY
Point-to-Point
Transmitter Quantity...............................1
Network Signal and Connection .............Analog 4-20 mA, single current loop, see Figures 4-6, 4-
7, and 4-8
Network Resistance ................................See Section 4.3.5
Multi-Drop
Transmitter Quantity...............................1-15
Network Signal and Connection .............Digital, parallel connected, see Figure 4-9
Network Resistance ................................See Section 4.3.5
9.8.1 Two-Wire Cable
Type .....................................................................Twisted single-pair, shielded, copper
Conductor Size for Network Length
Less than 5000 feet (1524 m) ........................24 AWG (0.23 mm
2
) minimum
More than 5000 feet (1524 m).......................20 AWG (0.56 mm
2
) minimum, 16 AWG (1.3 mm
2
)
maximum
Cable Capacitance................................................Refer to Section 4.3.6
Recommendation .................................................Belden 8641, 24 AWG (0.23 mm
2
)
Belden 8762, 20 AWG (0.56 mm
2
)
Length, Maximum................................................Refer to Section 4.3.6
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