Table of Contents
Advertisement
Reference Manual
00809-0400-4101, Rev BA
Figure 4-2. 4–20 mA Electronics Board
Without LCD display meter
A. Alarm
B. Security
4.4.1
Setting security switch
The security switch is used to prevent changes to the transmitter configuration data. If the security
switch is set to the locked location (
local configuration buttons will be rejected by the transmitter and the transmitter configuration data will
not be modified. Reference
enable the security switch.
1. Set loop to manual and remove power.
2. Remove transmitter housing cover.
3. Use a small screwdriver to slide the switch to the lock (
4. Replace transmitter housing cover; cover must be fully engaged to comply with explosion proof
requirements.
4.4.2
HART lock
The HART Lock prevents changes to the transmitter configuration from all sources; all changes
requested via HART, LOI, and local configuration buttons will be rejected. The HART Lock can only be set
via HART communication, and is only available in HART Revision 7 mode. The HART Lock can be enabled
or disabled with a Field Communicator or AMS Device Manager.
Electrical Installations
With LCD display /LOI display
A
B
), any transmitter configuration requests sent via HART, LOI, or
Figure 4-2
for the location of the security switch. Follow the steps below to
Electrical Installations
) position.
January 2018
37
Advertisement
Table of Contents
