16
Model 3700 Transmitters or Model 3350 Peripherals - Field Mount
Wiring
Figure 3-2: Wiring terminal labels for Model 3350 or Model 3700
Table 3-1: 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
AC power supply
Terminal 9:
positive
Terminal 10:
negative
Terminal 9: line
(L or L2)
Terminal 10: neutral
(N or L1)
DC power supply