The card SSI 1276 is an interface card for PC's and compatible. It serves for the measured value admission of maximally
4 absolute encoders with synchron serial interface with separation from periphery and system side. Additionally the card prossesses 6 digital outputs and 4 zero-inputs. The value '0' can be assigned by these zero-inputs to each encoder in each position. All inputs and outputs are galvanic isolated by optocouplers to the system side.
Programming
The controlling of the data transmission takes place via the timer/counter chip 82C54. This component possesses
3 counters. The following
parameters of the data transmission can be adjusted by programming of these counters.
Used Interfaces:
Programmable Parameter:
-one Interface:
-Clock Frequency
-Number of Bits
-Measuring Rate
-2 to 4 Interfaces:
-Clock Frequency
-Number of Bits
Technical Specifications
Synchron-Serial-
Interface:
4x SSI-Interface optoisolated
-Interrupt:
IRQ10, 11, 12 or 15
-Data-Input Channels:
EIA RS422 optoisolated
-Received Bits:
max. 25 Bit
-Clock Output:
EIA RS422 optoisol.
-Clock Frequency:
max. 1 MHz
Outputs:
6 digital Outputs
optoisolated
-Switchable Output Current:
max. 30 V / 25 mA
-External Power Supply:
max. 30 V
Supply Voltage:
+5 V, max. 0,5 A
Connector:
DB37-male
EMC:
EMC-conform to 2004/108/EG
Operating Temperature:
0 - 50 °C
Storage Temperature:
-25 to + 85 °C
Dimensions:
162 x 112 mm
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