ZIV 7IRD-A - Page 77

Chapter 6. Description of Operation of Protection Subsystem
6-37
M7IRDA2003I
7IRD-A/J/M: Distribution Protection & Control Terminal
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020
Table 6-2: Inputs
Num Name Description Function
17 IA Open Breaker Status (52b contact)
Controls the status of the
breaker.
18 BE Recloser External Lockout (7IRD-A/J)
The activation leaves the
Recloser in a Lockout or
Lockout Reset Status.
19 DBE Recloser External Lockout Reset (7IRD-A/J)
21 INR Reclose Inhibit (7IRD-A/J)
Causes the verification by the
Recloser of the Supervision
by Reclose Inhibition setting
(if the setting is enabled).
22 VR Rated Voltage (7IRD-A/J)
Receives the voltage signal
used by the Recloser in the
Recloses by Rated Voltage
supervision function.
23 CEXT External Close Order
Close logic signal command
active.
25 INH_C_ED Inhibit Setting Group Control
They active the
corresponding setting group
(1, 2 or 3).
26 T_AJ_1 Activate Setting Group 1
27 T_AJ_2 Activate Setting Group 2
28 T_AJ_3 Activate Setting Group 3
31 External Oscillography Start (optional)
The oscillographic pick up
(depending on the mask).
32 A output connected No internal logic input.
33 BDI_F_V2
Block Phase Instantaneous 2 Overcurrent Trip
(7IRD-J)
Activating this unit before a
trip prevents the activation of
the unit. If the input is
activated after the trip, it
recovers.
34 BDI_N_V2
Block Ground Instantaneous 2 Overcurrent
Trip (7IRD-J)
35 API_F_V2
Phase Instantaneous 2 Overcurrent Torque
Control (7IRD-J)
Reset the timing functions in
the ground sensitive units and
maintains them at 0 while
active.
36 API_N_V2
Ground Instantaneous 2 Torque Control
(7IRD-J)
38 B output connected
No internal logic inputs.
39 C output connected
40 D output connected
The status contact inputs leave the factory with an assigned configuration, but can be modified
through the local communications port with ZiverCom
®
.