Emerson TRANSMITTER 3350 - Manual (Page 11)

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Figure 11. Wiring terminals
Table 2. Input/output wiring terminals
Terminal number Designation
1 – 2 + Primary 4–20 mA output / HART
3 – 4 + Secondary 4–20 mA output
5 – 6 + Frequency input
5 – 7 + Discrete input 1
5 – 8 + Discrete input 2
11 (B line) 12 (A line) RS-485 output
20 – 16 + Discrete output 3
20 – 17 + Discrete output 2
20 – 18 + Discrete output 1
20 – 19 + Frequency output
Intrinsically safe
sensor wiring terminals
(blue terminal block)
Circuit board
compartment
Wiring compartment
Should remain closed
while power is on
Label for sensor
wiring terminals
(see Figure 12)
Lockout device
(not supplied with all units)
Non-intrinsically safe
input/output wiring
terminals
(gray terminal block)
Power supply
ground
Label for input/output
wiring terminals
Display cover