17/52
L3016
1SDH000559R0002
ABB SACE
SACE PR021/K
5.5.
SACE PR021/K with SACE PR112 unit (version “without key”)
5.5.1. Dip-switch settings
To use the PR021/K unit with the PR112/P protection unit, the dip-switches must be set as follows:
5.4.1.2.
Latch mode (see par. 4.5.2)
Dip-switch no. 11 to be set to its ON position.
Electric
contact
Event that caused closing of the relay
Selection of dip-switches
no. 2, 3, 4
A = L protection alarm (overload)
dip no. 2 = A
B = L protection trip (overload)
dip no. 2 = B
A = S protection alarm (selective short-circuit)
dip no. 3 = A
B = S protection trip (selective short-circuit)
dip no. 3 = B
K51/3
I protection trip (instantaneous short-circuit)
---
A = G protection alarm (earth fault)
dip no. 4 = A
B = G protection trip (earth fault)
dip no. 4 = B
K51/5
Communication problems on the local bus (bus KO)
K51/6
Internal overtemperature alarm
---
K51/7
Protection release TRIP alarm
---
K51/8
L function prealarm (overload)
---
K51/1
K51/2
K51/4
DIS.
Self-test enabled
EN.
Self-test disabled
2
A/B
3
A/B
4
A/B
5
A
Not used, set A
MASTER
• "Master" scenario
• Master unit in mixed "Slave" scenario
7
BAUD
19.2kbit/s
Set 19.2 kbit/s
EN.
Operating mode
DIS.
Stand-by mode enabled
9
PROG.
OFF
Set this dip-switch to OFF
MAN
Manual Reset mode
AUT
Automatic Reset mode
OFF
Normal mode
ON
Latch mode
12
Term.
OFF
See par. 5.3
13
N.U.
OFF
Not used
Setting
Notes
K51
Configuration
SLAVE
Select A or B to choose the functions of the relays
(see par. 5.4.2)
6
MODE
• "Slave" scenario
• Slave unit in mixed "Slave" scenario
Dip-sw
no.
Dip-sw
name
11
LATCH
8
K51/
10
RESET
1
TEST
