Emerson Rosemount 3051 CF Series, Reference Manual

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Figure 4-1: Simulate and Security Switches
C
A
B
D
E
F
A. Simulate disabled position
B. Simulate switch
C. Simulate enabled position (default)
D. Security locked position
E. Security switch
F. Security unlocked position (default)
4.4.1 Setting Security switch
Set Simulate and Security switch configuration before installation as shown in Figure 4-1 .
• The Simulate switch enables or disables simulated alerts and simulated AI Block status
and values. The default Simulate switch position is enabled.
• The Security switch allows (unlocked symbol) or prevents (locked symbol) any
configuration of the transmitter.
— Default security is off (unlocked symbol).
— The Security switch can be enabled or disabled in software.
Use the following procedure to change the switch configuration:
Procedure
1. If the transmitter is installed, secure the loop and remove power.
2. Remove the housing cover opposite the field terminal side. Do not remove the
instrument cover in explosive atmospheres when the circuit is live.
3. Slide the Security and Simulate switches into the preferred position.
4. Reattach transmitter housing cover; Emerson recommends tightening the cover
until there is no gap between the cover and housing to comply with explosion proof
requirements.
4.4.2 Setting Simulate switch
The Simulate switch is located on the electronics. It is used in conjunction with the
transmitter simulate software to simulate process variables and/or alerts and alarms. To
Reference Manual Electrical installation
00809-0100-4774 July 2020
Reference Manual 85