Manual
EB-MODBUS-RTU
BLOCK Transformatoren-Elektronik GmbH
Max-Planck-Straße 36-46 27283
.
Verden, Germany
10-23-17 / KRUT
Subject to technical changes
Page: 12
6.3.
EB Status Byte
Coding of the status (Index 501 - 540) is shown in Table 2
Table 3:
Coding of the Status (
as of protection
switch version 1.10
)
7 6 5 4 3 2 1 0 Meaning
LED
No communication
off
off (by user/ PLC)
lights up
R
on
lights up
E
Switched off by circuit breaker function (tripped)
flashes
S
Switched on, current above warning threshold (90% nominal current)
flashes
E
Switched on, current above warning threshold (100% nominal current)
flashes
R
off, hardware error (fuse)
flashes
V
off, thermal release
flashes
E
off locally, (by key)
as of circuit breaker version 1.12
lights up
RC (rotary wheel position)
Note:
•
If a circuit breaker was switched off locally, it can only be switched back on locally.
This functionality is used for safety purposes when working on the system.
•
As of protection switch version 1.10, the status byte has changed!
Bits 7 and 6 occur separately in the status byte. For this reason, all bits in the status
byte must be evaluated individually.
