PCB Piezotronics 441A101, Installation And Operating Manual

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443B101/443B102 41
Manual 19854 Rev. D
ECN 50523
Command: RDSR
Purpose: Reads the Status Register byte which indicates if the application register of the
TEDS chip (DS2430) has been locked or not.
Response:
The module responds with the Status Register byte which is 0xFF if the
application register is unlocked and 0xFC if it is locked.
Command String: XYC0ZRDSR
Description: X — Rack number of the target module (Range: ASCII printable characters, 0
through 3)
Y
— Slot number of the target module. (Range: ASCII printable characters, 0
through 7)
C0Z — Module type for the target. Specifying "C01" in this argument addresses
a 443B101, specifying “C02” addresses a 443B102.
RDSR
— tells the module to read the Status Register byte.
Response String: Status Register byte in ASCII format.
Example:
Command String: “06C02RDSR”
Response String: “FC”
The 443B102 in rack 0 and slot 6 is commanded to read the Status Byte of a
TEDS device. In this case, the Status Register is 0xFC, indicating that the
application register is locked.