Energotest ZL-4A, Operating Manual

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Operating Manual
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ult protection ZŁ-4A; (07.2019)
83
The device includes the Modbus RTU Slave protocol. There are the primary inquiries sup-
ported, namely #03
– Read Holding Registers, #06 – Preset Single Register, #16 – Preset
Multiple Registers. In case of receiving a Modbus frame, which includes some errors, the
device displays the error code according to the table below.
Error code Meaning Description
1 Illegal Function Function is not supported
2 Illegal Data Address Unacceptable register (or registers) address (or addresses)
3 Illegal Data Value Unacceptable range of information (i.e. the amount of registers)
4 Slave Device Failure Register record error
– the value of register is beyond the acceptable range
Available registers.
M1 Block of registers
There are the following 16-bit registers with the attribute read only [R] (base address: 4000)
available:
offset Register name Description
0 DeviceSignature Device identification, the signature has a constant value: 0xaa
1 DeviceCode Device identification code, constant value: 0x01 (the central unit)
2 DeviceSerialNumber L Factory device number (the serial number)
– lower byte
3 DeviceSerialNumber H Factory device number (the serial number)
– higher byte
4 FirmwareVersion Firmware Version; 0x12 means v1.2
5 DeviceAlarms Device Alarms
6 DeviceEvents Events Register
7 RelayState Register including the executive relays status
8 RelayMode.RelayP1 Relay P1 working status
9 RelayMode.RelayP2 Relay P2 working status
10 RelayMode.RelayP3 Relay P3 working status
11 RelayMode.RelayP4 Relay P4 working status
12 RelayMode.RelayP5 Relay P5 working status
13 RelayMode.RelayP6 Relay P6 working status
14 RelayMode.DiodeL1 Signal diode L1 working mode
15 UnitsStatus.RegisteredUnits Register including the total amount of all installed JP/JW units
16 UnitsStatus.PresentUnits
Register including the amount of the installed JP/JW units present in the net-
work
17 UnitsStatus.AbsentUnits
Register including the amount of the installed JP/JW units not present in the
network
18 UnitsStatus.AddressCollision
Register including the amount of the installed JP/JW units with wrong network
addresses
19 UnitsStatus.SensorFailure
Register including the amount of the installed bay units with damaged optical
sensors (permanent damaged)
20 UnitsStatus.SensorSet
Register including the amount of the installed bay units with activated optical
sensors
21 UnitsStatus.RelaySetUnits
Register including the amount of the installed bay units with activated relay
inputs
22 UnitsStatus.ZoneS1Mode
Register
including the amount of the installed bay units with activated “tripping
mode in zone S1”