Chapter 5 Power Up; Powering Up The Standalone Rosemount 6888 Transmitter Probe (Without Rosemount 6888 Xi) - Emerson Rosemount 6888C Instruction Manual

Instruction Manual
00809-0100-4891
5 Power up
5.1 Powering up the standalone Rosemount 6888
Transmitter probe (without Rosemount 6888
Xi)
Complete the following steps to power up the Rosemount 6888C Transmitter probe.
1. Apply AC line power to the transmitter.
2. Apply 24 Vdc loop power to the transmitter.
3. Using either the DCS control or a field communicator, verify communications to the
transmitter.
The transmitter probe takes approximately 45 minutes to warm up to the 736 °C (1357 °F)
heater setpoint. The 4-20 mA signal remains at a default value of 3.5 mA, and the O
reading remains at 0% through this warm-up period. After warm up, the probe begins
reading oxygen, and the 4-20 mA output is based on the default range of 0-10% O
If there is an error condition at startup, an alarm message is displayed on the Rosemount
6888Xi.
Instruction Manual
Power up
July 2018
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