Dinel ULM -70 Series, Instruction Manual

Page: 18 / 24

HART
COMMUNICATION PROTOCOL
Universal communication interface for data communication of peripheral devices with the level
meter. Data transmission runs through the same line as the 4 ÷ 20mA current loop without impact
on analog communication.
Fig. 18: Typical PLC/mA con fi guration with HART
HART
modem
USB / RS232
HART
communicator
ULM–70
PC
≈ 250 R
Voltage supply unit
O
RDER CODE
A
CCESSORIES
Standard – included in the price of the level meter Optional – for extra charge
• 1x Seal (only for ULM–70_–02–I, 06–I) • Stainless fi xing nut UM–G1''
(for ULM–70_–02–I)
• Stainless fi xing nut UM–G1½''
(for ULM–70_–06–I)
Performance:
Maximum range:
02
- 0.15 ... 2 m
06
- 0.25 ... 6 m
10
- 0.4 ... 10 m
20
- 0.5 ... 20 m
Output type:
I
- Current
ULM – 70
– –
N
- Normal - usable in non-explosive areas only
Xi
- Ex. proof - suitable for explosive areas
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