2018-04
8
HART Multiplexer System KFD*-HM*-16
Product Specifications
2.2.1 HART Multiplexer Master KFD2-HMM-16
In addition to the master unit, the multiplexer master has an integrated slave unit. A maximum
of 16 field devices can be connected to this slave unit. If more than 16 field devices have
to be connected, a maximum of 15 additional HART multiplexer slaves KFD0-HMS-16 can
be connected to the multiplexer master. This enables a maximum of 256 analog field devices
to be connected to the HART multiplexer system.
The device is supplied with power via the Power Rail or via terminals.
The device is connected to a maintenance station via the RS-485 interface. You can connect
additional participants via an additional RS-485 interface. The transfer rate is max.
57600 baud.
The device is connected to the multiplexer slaves via a 14-pin ribbon cable. The device has
a 14-pin IDC socket on the bottom of the device for this purpose.
The device is connected to the termination board via a 26-pin ribbon cable. The device has
a 26-pin IDC socket on the front of the device for this purpose.
The device can be used as a primary or secondary master.
The device address and the transfer rate are set via DIP switch.
Figure 2.1 Assembly of the KFD2-HMM-16 HART multiplexer master
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2
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19
17
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1816
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14
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15
KFD0-HMM-16
1
26
26-pin connector
LED orange:
Operation
14-pin connector
Removable terminals
green
LED red:
Fault signal
LED green:
Power supply
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