17-1
TP27, TP37 Equipment Manual
Release 01/00
Options
This chapter contains desriptions of the follwng units which can be optionally
connected:
S Direct Key Module (DKM)
S Control Panel Interface (CPI)
17.1 Direct Key Module
A Direct Key Module (DKM) is available as an option for connection to the
Touch Panel. The following variants are available:
Operator panel
Direct key module with
8 outputs 16 outputs
TP27
–
TP37
–
The variants vary according to the units. The DKM for the
S TP27-6 consists of a module board (DKM A) and a small housing,
S TP27-10 and TP37 consists of two module boards (DKM A + DKM B) and
a large housing (see figure 17-4).
The housing is secured to the rear of the Touch Panel. It can be retrofitted at
any time.
The Direct Key Module (DKM) must be implemented where fast keyboard
operation is required without any communication–related delays. Example:
Direct key control for jog operation.
Direct keys can be operated via the software using buttons and messages, if
configured in ProTool.
The direct key module provides eight digital outputs per board.
The digital outputs are galvanically isolated from the Touch Panel by means of
optocouplers. Consequently, the boards require a dedicated voltage supply.
Overview
Function of the
direct key module
External power
supply
17
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