Toshiba GR-200-5 Instruction Manual page 244

6F2T0207 (0.01)
interface: test-submenu
(→p. 1024).
If a PLC signal is injected at the PLC connection point "VTF_BLOCK", the operation of
the VTF function is blocked. The user can program to inject an external signal for the failure
detection using the PLC connection point EXTERNAL_VTF; the VTF_DETECT signal is
generated when the signal is injected at the EXTERNAL_VTF.
GRE200 (5,6)
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