Siemens SINAMICS S120 Equipment Manual page 418

Options
8.28 L87, insulation monitoring
Connection
Table 8- 40
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: 2.5 mm²
Note
Detailed and comprehensive instructions and information for the insulation monitor can be
found in the accompanying operating instructions, which are available as additional
documentation on the enclosed customer CD.
418
Connections on insulation monitor
Technical specifications
Voltage supply via non-replaceable fusing 6 A:
88 to 264 V AC, 77 to 286 V DC
Connection of the 3 AC system to be monitored
Connection to coupling device
PE connection
External test button
External test button
External reset button (NC contact or wire jumper, otherwise the error message is not
stored)
External reset button (NC contact or wire jumper)
STANDBY with aid of F1, F2 function input:
External kΩ display, analog output (0 to 400 μA)
External kΩ display, analog output (0 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)
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A