Siemens SIPROTEC4 7UM62 - Modbus Registers; Coil Status Registers (0 X References); Input Status Registers (1 X References)

Data in the Modbus registers
1-5
SIPROTEC Modbus - Bus mapping 7UM62
C53000-L1840-C009-03
1.2 Modbus registers
1.2.1 Coil Status registers (0X references)
The Coil Status register block allows the Modbus master:
• command outputs through the output relays of the SIPROTEC device (external
commands),
• manipulation of taggings (internal commands),
• reading the checkback indication and/or the status of output relays as well as
taggings.
References Standard mapping 3-1: ref. to chap. 2.1
Standard mapping 3-2: ref. to chap. 3.1
1.2.2 Input Status registers (1X references)
The Input Status register block allows the Modbus master to scan the current status
of the input channels as well as the annunciations generated in the SIPROTEC device
(e.g. protection annunciations, status annunciations).
References Standard mapping 3-1: ref. to chap. 2.2
Standard mapping 3-2: ref. to chap. 3.2
Note:
• The allocation of the output relays to the switching devices and to the output chan-
nels is defined during parameterization of the SIPROTEC devices.
• Depending on the device composition there may be less than indicated output
relays (and corresponding Modbus registers) available in the SIPROTEC device.
Note:
• The allocation of the input channels to the binary inputs is defined during parame-
terization of the devices.
• Depending on the device composition and the existing protection packages not all
of the indicated binary inputs or protection annunciations (and corresponding Mod-
bus registers) may be available in the SIPROTEC device.