Division
CN1
TTL TX
1
(Side of the trip relay)
2
Current signal-ir
TTL RX
3
(Side of the trip relay)
4
Current signal-Is
5
Power Supply (+) 24V
6
Current signal-It
7
Power supply (-), GND
8
Current signal-In
9
Power supply (-), GND
10
Current signal COM
11
12
13
14
15
16
10.4 KEY AND LED CONFIGURATION
No.
LED types
1
2
Battery/Self-Protection
3
4
5
6
No.
Selector type
M
A
B
C
D
E
F
CN2
TC-Ir
CT Power (-), GND
TC-Is
CT Power (+), 24V
TC-It
Delay contact (-), GND
TC-In
Delay contact (+)
CT-Ir, replace
MTD (+), 24V
CT-Is, replace
MTD (-)
TC-It, replace
TC-COM
In replace
Not used
Rating plug
Alarm
Ir
Isd / Ii
Ig / I
n
△
COMM
Table 10.4: Information LED
Menu
Measurement display Menu Display, Menu display Measurement Display
TAP
Cursor up
Cursor down
Moves the cursor down on the screen or decrease an adjustment value.
Enter
Reset / ESC
Table 10.5: Key configuration
CN3
ZSI OUT (+)
ZSI OUT (-)
ZSI IN (+)
ZSI IN (-)
Remote reset (+)
Remote reset (-)
RCD (+)
RCD (-)
Vr
Vs
Vt
V COM
Table 10.3:
Type A and P key
DIGITAL PROTECTION RELAY
M
Figure 10.3:
Operating mode
LED indicating an overload (lights up above 90%; flashes above 105%)
Self-protection LED and battery test LED
LED indicating long time delay
LED indicating short time delay or instantaneous trip
LED indicating ground fault
LED indicating communication
Keeps the display active
Moves the cursor up on the screen or increments an adjustment value.
Enters submenu or adjusts entry
Resets errors or exits the menu
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CN4
Power supply (+)
Power supply (-)
-
DO COM
-
DO #1
RS485 (+)
DO #2
RS485 (-)
DO #3
Function
ABWC Compact Air Circuit Breaker | 39