Emerson Rosemount 2521 Quick Start Manual page 30

Quick Start Guide
5.2 Signal output from NAMUR (switching logic)
Figure 5-2: Switching Logic (NAMUR Only)
A
B
1 2
C
D
A. Setting: Rising or Falling fail-safe
B. NAMUR electronics (IEC 60947-5-6)
C. LED for output signal
D. Uncovered and covered fork sensors
Note
See Configuring the signal output fail-safe (Rising or Falling)
select a Rising or Falling fail-safe setting.
30
I < 1 mA I > 2.2 mA
1 2
I > 2.2 mA
1 2 1 2
for how to
Quick Start Guide
October 2020
I < 1 mA