45/52
L3016
1SDH000559R0002
ABB SACE
SACE PR021/K
5.16.2.2.
Latch mode (see par. 4.5.2)
The dip-switches are to be set as follows: Dip-switch no. 5 = A, Dip-switch no. 11 = ON.
Electric
contact
Event that caused closing of the relay
Selection of dip-switches
no. 2, 3, 4
K51/1
L protection alarm or trip (overload)
---
K51/2
S protection alarm or trip (selective short-circuit)
---
K51/3
I protection trip (instantaneous short-circuit)
---
A = G protection alarm or trip (earth fault)
dip no. 2 = A
B = LC1 load control
dip no. 2 = B
K51/5
Communication problems on the local bus (bus KO)
---
A = L Function prealarm (overload)
dip no. 3 = A
B = LC2 load control
dip no. 3 = B
K51/7
Protection release TRIP alarm
---
A = Backup protection alarm
dip no. 4 = A
B = Hardware alarm
dip no. 4 = B
K51/8
K51/4
K51/6
5.16.2.3.
User mode (see par. 4.5.3)
The dip-switches are to be set as follows: Dip-switch no. 5 = B, Dip-switch no. 11 = ignored.
All contacts (K51/1...K51/8) are associated exclusively with the function selected on the PR333/P unit by the user,
except the K51/5 contact, which indicates the “Communication problems on the local bus (bus KO)” function.
Electric
contact
Event that caused closing of the relay
K51/1
Configured by user on the PR333/P unit
K51/2
Configured by user on the PR333/P unit
K51/3
Configured by user on the PR333/P unit
K51/4
Configured by user on the PR333/P unit
K51/5
Communication problems on the local bus (bus KO)
K51/6
Configured by user on the PR333/P unit
K51/7
Configured by user on the PR333/P unit
K51/8
Configured by user on the PR333/P unit
