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CAS CI-502A - Page 72

CAS CI-502A
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73
BCD OUT INTERFACE
Parallel BCD Out is an Interface that outputs the indicated weight value on display after
converting into BCD CDDE. The internal circuit of the input/output circuits is electrically
isolated from the outside by using a Photo-Coupler.
Connector
50 PIN CONNECTOR: CHAMP 57-40500 (Amphenol - Female)
Input / Output Signal
TTL Open - Collector Output
Signal Logic
(1) BCD Data Output: Refer to Positive Logic (F82:BCD Output Signal)
(2) Polarity Output: “+” = High
(3) OVER Output: “OVER” = High
(4) BUSY Output: “BUSY” = High
Standard Accessory:
Mating Connector 57-30500(Amphenol - Male) 1 EA
BCD Output Circuit
+v
+v +v
Voltage 30v max
Current 30mA max
Output voltage
when on
0.2v txp

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