RFT9739 Field-Mount Transmitter Instruction Manual
v
Contents
continued
Figures
Figure 1-1 RFT9739 exploded view. . . . . . . . . . . . . . . . . . 2
Figure 2-1 Hazardous area approvals tag . . . . . . . . . . . . . 3
Figure 2-2 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3-1 RFT9739 dimensions . . . . . . . . . . . . . . . . . . . . 12
Figure 3-2 Instrument-pole mounting. . . . . . . . . . . . . . . . . 13
Figure 4-1 RFT9739 exploded view. . . . . . . . . . . . . . . . . . 16
Figure 4-2 Lockout clamp for CENELEC transmitters . . . . 17
Figure 4-3 Power-supply wiring terminals . . . . . . . . . . . . . 19
Figure 4-4a Grounding detail — typical . . . . . . . . . . . . . . . . 20
Figure 4-4b Grounding detail — European installations . . . 20
Figure 4-5 Wiring to ELITE
®
CMF sensors . . . . . . . . . . . . 22
Figure 4-6 Wiring to F-Series, Model D, and DL sensors . 23
Figure 4-7 Wiring to Model DT sensors . . . . . . . . . . . . . . . 23
Figure 5-1 Output terminals . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 5-2 4-20 mA output performance . . . . . . . . . . . . . . 27
Figure 5-3 Primary and secondary mA output wiring. . . . . 28
Figure 5-4 HART
®
Communicator, ProLink
®
PC-Interface,
and AMS modem connections . . . . . . . . . . 29
Figure 5-5 Frequency/pulse output wiring . . . . . . . . . . . . . 31
Figure 5-6 Frequency/pulse output wiring for increased
current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 5-7 Frequency/pulse output wiring for constant
current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 5-8 Frequency/pulse output wiring for open
collector mode . . . . . . . . . . . . . . . . . . . . . . 34
Figure 5-9 Location of resistor R14 (R1) on output board . 34
Figure 5-10 Control output wiring. . . . . . . . . . . . . . . . . . . . . 35
Figure 5-11 Control output wiring for open collector mode . 37
Figure 5-12 Location of resistor R15 (R2) on output board . 37
Figure 5-13 Wiring to DMS. . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 5-14a Wiring to DRT with LED . . . . . . . . . . . . . . . . . . 39
Figure 5-14b Wiring to DRT with LCD . . . . . . . . . . . . . . . . . . 39
Figure 5-15a Wiring to FMS-3 with LED . . . . . . . . . . . . . . . . 40
Figure 5-15b Wiring to FMS-3 with LCD . . . . . . . . . . . . . . . . 40
Figure 5-16 Wiring to NFC. . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 5-17a Wiring to AC-powered NOC . . . . . . . . . . . . . . . 42
Figure 5-17b Wiring to DC-powered NOC . . . . . . . . . . . . . . . 42
Figure 5-18a Wiring to Model 3300 with screw-type or
solder-tail terminals . . . . . . . . . . . . . . . . . . 43
Figure 5-18b Wiring to Model 3300 with I/O cable. . . . . . . . . 43
Figure 5-19 Wiring to Model 3350 . . . . . . . . . . . . . . . . . . . . 43
Figure 5-20a Wiring to pressure transmitter — analog input . 45
Figure 5-20b Wiring to pressure transmitter — external
power, analog input . . . . . . . . . . . . . . . . . . 45
Figure 5-20c Wiring to pressure transmitter — digital
communications . . . . . . . . . . . . . . . . . . . . . 46
Figure 5-21 Wiring to remote-zero switch . . . . . . . . . . . . . . 46
Figure 5-22 RS-485 wiring. . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 5-23 Typical HART
®
network wiring . . . . . . . . . . . . . 49
Figure 6-1 Diagnostic LED and zero button. . . . . . . . . . . . 58