Siemens SINAMICS S120 Device Manual page 475

Table 8- 58
Position
1
2
3
4
5
6
7
Connecting
Table 8- 59
Terminal
A1
A2
L1
L2
AK
KE
T1
T2
R1
R2
F1
F2
M+
M-
A
B
11
12
14
21
22
24
Max. connectable cross-section #14 AWG (2.5 mm²)
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Meaning of the controls and displays on the insulation monitor
Meaning
INFO key: Requests standard information/
ESC key: Back menu function
TEST key: Brings up self-test/
Arrow key up: Parameter change, scroll function
RESET button: Deletes insulation and fault messages (A-Isometer only)
Arrow key down: Parameter change, scroll function
Menu key: Brings up menu system/
Enter key: Confirms parameter change
Alarm LED 1 is lit: Insulation fault, first alarm threshold reached
Alarm LED 2 is lit: Insulation fault, second alarm threshold reached
LED is lit: System error present
Connections on the insulation monitor
Technical specifications
Supply voltage via 6 A melting fuse:
88 to 264 V AC, 77 to 286 V DC
Connection of the 3 ph. AC system to be monitored
Connection to coupling device
PE connection
External test button
External test button
External reset key (NC contact or wire jumper, otherwise the fault code is not stored)
External reset key (NC contact or wire jumper)
STANDBY with aid of F1, F2 function input:
No insulation measurement when the contact is closed
External kΩ display, analog output (0 μA to 400 μA)
External kΩ display, analog output (0 μA to 400 μA)
Serial interface RS 485
(termination by means of 120-ohm resistor)
Signaling relay ALARM 1 (mid-position contact)
Signaling relay ALARM 1 (NC contact)
Signaling relay ALARM 1 (NO contact)
Signaling relay ALARM 2 (mid-position contact)
Signaling relay ALARM 2 (NC contact)
Signaling relay ALARM 2 (NO contact)
8.35 L87, insulation monitoring
Options
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