ABB TTR200 Operations Instructions download pdf (Page 14)

Configuration

14 TTH200, TTR200, TTH300, TTF300, TTF350 SM/TTX200/TTX300/SIL-EN

WARNING!

Checks:

Write protection must be checked as follows:

1. TTH300-.H, TTF300-.H, and TTF350-.H locking via the LCD display with local keyboard

- Check whether the lock icon is displayed on the LCD display.

- Select the "Fault Signaling" menu and make sure the edit icon is not showing on the

LCD display.

- Press the Edit button and check that there is no response on the LCD display.

2. TTH200-.H, TTR200-.H, TTH300-.H, TTF300-.H, and TTF350-.H protection via

DTM / EDD:

- LCD display and local keyboard available: Check as described under Point 1.

- No LCD display and local keyboard available (checking write protection):

Go to <Device>,<Parameterize> Current Output/Damping and change the damping

value, for example. Then select "Save Device Data in Device" and check whether the

message "Device is write-protected" is displayed.

WARNING!

The software write protection does not lock again automatically. It remains unlocked until it is

specifically reset.

Diagnostics setup

The device's diagnostics setup meets safety requirements and includes the following error

detections:

• Sensor board communication error

• Sensor board error

• Sensor board A/D converter error

• Measuring error device temperature

• Sensor limit value alarm upper and lower

• TTH300-.H, TTF300-.H, and TTF350-.H, sensor error ch. 1. and ch. 2.

• Sensor configuration resistance thermometer, R in two-, three-, and four-wire circuit with

wire break and short circuit

• Sensor configuration thermocouple, mV with wire break

• Redundancy mode ch. 1 and ch. 2 with drift monitoring activated

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ABB TTR200 Operations Instructions Page 14