Toshiba GR 200 Series, Instruction Manual

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6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)
- 1317 -
Changing rated current
A rated current (In) has been set by the manufacture†, but the user can change it to the other
(either 1A or 5A) by yourself. Follow the steps below, as shown in the table:
Table 13.4-1 Change rated current workflow
Index Workflow Note
Check
it out
yourself
Step1 Power-off the IED BO circuits are locked after power-off.
Step2 Change CPU mode An optional jumper required
Step3 Change rated currents Optional jumpers required
Step4 Take back to the original Restoring the modules
Step5 Check altered ordering code Confirm it has been changed
Step6 Write settings with altered code Choose the altered ordering code
Step7 DEP setting confirmation Check DEP settings for Ch*
Step8 Memo for change rated current (Keep it for your future reference)
†Note: To confirm, see Factory setting label on the case side. For more detail, see
Preceding Section Unpack and inspection of hardware and software.
Step1: Turn off the IED.
Note that all outputs are locked-out when powered-off†.
Then, open the IED panel. Remove a flat cable and lateral beams in the IED case‡.
†Note: For alarm outputs, refer
to
Chapter Automatic supervision: Error outputs
with contacts and binary output circuits.
Remind that alarms are dependent
on the alarm degree. See
Table ‘FAIL contact, BO, LED outputs depending
on levels’
‡Note: For removal and restoration of inner modules, see Guide for replacement of
inner modules, separately:
—For type using compression terminals (6F2S1955)
—For type using ring terminals (6F2S1956)
Step2: Change CPU mode (Default

Constrained mode)
To change a CPU mode†, the user shall close a CPU-W6 circuit with a jumper. The
user can get jumpers from an optional-kit (EP-221). Insert the jumper on either W6(1-
2) or W6(3-4) for changing.
†Note: To find
the CPU location, go to Chapter
Technical description: Signal
processing and communication module,
and see
Figure Configuration switch
about the mode.