Siemens SINUMERIK 840Di sl Commissioning Manual page 82

Hardware Descriptions
2.8 Handheld units
Features
The hand operating device SINUMERIK HT2 (Handheld Terminal 2) is designed for the
manual operation of tool machines. The HT2 is preferably designed for the application case,
when the emphasis lies on mobility duting operation and observation. In this case the HT2
can be connected to any place in the system via a connection box "Basic PN" or "Plus PN".
This allows trouble-free connecting and disconnecting of the HT2 together with the
connection box PN during operation, without triggering an Emergency Stop.
For a mounting in the cabinet, the HT2 is connected to a connection module Basic PN.
Through two acknowledgement buttons the HT2 is suitable for both right and left-handed
persons. The magnetic handwheel allows intuitive axis feed motion. All of the HT 2 keys can
be freely configured and labeled.
The HT 2 can be mounted using a retaining magnet or an appropriate bracket. Both the
retaining magnet as well as the holder are available as accessory.
The module has the following essential features:
● LC display (black / white)
● 20-key membrane keyboard
● Emergency Stop button, 2-channel
● Rotary override switch (19 positions)
● Magnetic handwheel
● Recess for the bracket or retaining magnet
● Cable duct for the HT 2 connecting cable to
● Key-operated switch (3 positions, 2 keys)
● two acknowledgement buttons (2-channel, 3-stage)
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– Resolution: 168 x 72 pixels
– LCD controller on board
– 4 lines each with 16 characters can be displayed
– 16 machine control keys
– 4 keys (upper row of keys) can be assigned as softkey or system key
– terminal box PN (Basic / Plus)
– PN Basic connection module
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual