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PRODUCT INSTALLATION MANUAL
2.4.
I
NTRINSIC
The HIS system can interface HART devices located in Hazardous areas by interposition of suitable
galvanically isolated Intrinsically Safe Barriers. The barriers must allow bi-directional HART signal
communication in addition to the normal 4-20mA loop current processing.
2.5.
M
OUNTING
The MUX 2700 is a plug-in unit that must be inserted in the appropriate termination board position.
Exercise care in the insertion to mate the connector's pins, then firmly press the module to engage the
connector. Finally, engage the quick lock tabs on either side to secure the module to the termination board.
The HPTB is designed to be mounted on a T-type or G-type DIN rail.
2.6.
C
ABLES
HART signals are brought to the MUX 2700 from the field via 5.08mm 3-tier screw terminal blocks
designated TB1. The MUX 2700 communicates to the DCS via the ELCO style connectors designated J1,
J2, J3 and J4.
See Table 1 below for channel information.
S
AFETY
Table 1 – Connector Function
Field Connector
Designation
TB1
Control Connector
Designation
J1
J2
J4
J5
DOCT-B3K4
HPTB/32/TR-AO-01
Analog Output
Channels 1-32
Channels 1-8
Channels 9-16
Channels 17-24
Channels 35-32
P
8
18
AGE
OF
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