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Connecting with ProLink II or Pocket ProLink Software
5. Add resistance as required. The Viator HART interface must be connected across a resistance
of 250–600 Ω. In addition, if you are using an IS transmitter, the primary mA output requires
an external power supply with a minimum of 250 Ω and 17.5 volts (see Figure 3-6). To meet
the resistance requirements, you may use any combination of resistors R1, R2, and R3 (see
Figure 3-4 or 3-5).
Figure 3-6
Model 1700/2700 IS: Resistance and voltage requirements for HART/Bell 202 connections
1000
900
800
700
600
500
400
300
200
100
0
12
6. Start ProLink II. Choose
7. Set
Protocol
values required by HART protocol.
8. Set the
default HART polling address is 0. See Section 8.15 for information on the HART polling
address.
9. Set the
10. Set
Master
•
If another host such as a DCS is on the network, set
•
If no other host is on the network, set
Note: The 275 HART Communicator or 375 Field Communicator is not a host.
11. Click
Connect
22
A minimum of 250 ohms and 17.5 volts is required
14
16
18
Supply voltage VDC (Volts)
Connection > Connect to Device
to HART Bell 202.
value to the HART polling address configured for the transmitter. The
Address/Tag
value to th e PC COM port assigned to this connection.
COM Port
as appropriate:
.
R
= (V
– 12)/0.023
max
supply
20
22
24
,
, and
Baud rate
Stop bits
to Primary.
Master
Micro Motion Series 1000 and Series 2000 Transmitters
Operating range
26
28
30
.
are automatically set to the
Parity
to Secondary.
Master
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