Maintenance TMT162
32 Endress+Hauser
•HART
®
command No. 231 (HART-Cmd #231)
The classified diagnosis of the device can be checked by means of this command. Fault classes
according to GMA VDE NAMUR 2650 guidelines:
Fault classification see Chapter Error messages.
!
Note!
The intelligent active barrier RN221N with HART
®
diagnosis from Endress+Hauser communicates
cyclically with connected HART
®
devices and signals diagnosis information via a switching contact.
7 Maintenance
In general, no specific maintenance is required for this device.
8 Accessories
If ordering accessories, please specify the serial number of the unit!
Byte Contents Meaning
1 Information acc. to GMA VDE
NAMUR 2650
0x01 -F- Fault
0x02 -C- Device in service mode
0x03 -M- Maintenance required
0x04 -S- Out of specification
2+3 Device error messages, see
section 9.2
Type Description Order code (International) Order code (North
American region)
Cable glands
for
connecting 2
sensors
• NPT ½" cable gland 2 x
D0.5 cable for 2 sensors
• M20x1.5 cable gland 2 x
D0.5 cable for 2 sensors
Order no. 51004654
Order no. 51004653
Order no. TMT162A-MB
Order no. TMT162A-MC
Wall and
stand pipe
mounting kit
• Stainless steel wall/2" pipe
mounting kit
• Mounting bracket 2" tube
V4A
Order no. 51004823
Order no. 51006412
Order no. TMT162A-MA
Order no. TMT162A-MD
Cable entries
and adapter
• Cable entry M20x1.5
• Adapter M20x1.5/NPT ½"
cable entry
Order no. 51004949
Order no. 51004387
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