06.03
5.7 Handheld terminal HT 6
5-161
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
5.7 Handheld terminal HT 6
The HT 6 (Handheld Terminal with 6” screen diagonal) is a compact operator
component consisting of an HMI and a machine control panel component.
OverrideEMERGENCY
STOP
Fig. 5-15 Handheld terminal HT 6 front side
5.7.1 Prerequisites for start-up
The following hardware components are required to start up the HT 6:
Distributor box
The distributor box incorporates the MPI module interface, the HT 6 interface,
as well as a terminal block for connecting EMERGENCY STOP, enable keys,
handwheel and 24V power supply. For the distributor box, see Section 3.3,
page 3-131.
HT 6 connection cable
The HT 6 is connected to the distributor box using the HT 6 cable. For the HT 6
connection cable, see Section 3.3, page 3-131.
MPI bus cable
Under no circumstances may the MPI bus cable contain an integrated bus ter-
minating resistor, since a bus terminating resistor is already integrated in the HT
6. For the MPI cable, see Section 3.3, page 3-131.
Hardware
5 MPI Communication
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