Input/output modules
Hardware - SIMADYN D 5-45
Edition 12.2004
5
5.5 Converter control ITDC
6DD1601-0AH0
The ITDC expansion module corresponds to the earlier PG16 module, and
provides the gating (control) for
• line-commutated drive converters.
It includes:
• Auto-reversing stage
• Current controller
• Gating unit (for max. 400 Hz output frequency)
• For 6-pulse drive converters
It is especially suitable for connection to SITOR power sections.
The expansion module is inserted on a CPU module (PM5, PM6). A
maximum of 2 expansion modules ITxx can be inserted on a CPU module.
One ITxx occupies 1 slot (in addition to the slot in the CPU module).
Presently, the operation of 2 ITDC modules in one processor module is not
supported.
• 1 SITOR interface
• 2 analog outputs
• 4 binary outputs
• 4 binary inputs
• 1 incremental encoder input:
 With zero pulse
 Optionally, for differential signals
 For tracks, shifted through 90 degrees (A, B)
 For 15 V (HTL)- or 5 V encoders
 Max. 1 MHz pulse frequency
• No electrical isolation of the inputs-/outputs
Incremental encoders can be connected to the ITDC, with the following
signal voltages
• 15V
• 5V (also as push - pull signals and RS485 differential signals)
The incremental encoder type is selected using DIL switch S1 on the
component side of the ITDC (refer to the following diagram ).
There is the following assignment of the DIL switch settings S1.X to the
pulse encoder channels :
Switch Switch
setting
Function
S1.1 ON Track A, zero volt switching threshold f. 5V encoders
S1.1 OFF Track A, 7V switching threshold f. 15V encoders
S1.2 ON Track B, zero volt switching threshold f. 5V encoders
S1.2 OFF Track B, 7V switching threshold f. 15V encoders
S1.3 ON Zero pulse, 0V switching threshold f. 5V encoders
S1.3 OFF Zero pulse, 7V switching threshold f. 15V encoders
S1.4 any none
Order No.
Description
Inputs and outputs
Incremental
encoder setting
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