05.2004
Mounting, Connecting-up
Siemens AG
6SE7087-7CX87-2DA0
SIMOVERT MASTERDRIVES
Unité de Freinage / Braking Unit
3-7
3.3
Control terminal X38
The braking unit has an inhibit input and a fault output.
♦
Inhibit
i
nput Pin 1 (+) and Pin 2 (-)
Connecting 24 V DC:
locks the braking unit
Acknowledge "OVERAMP" and "OVERTEMP" faults
♦
Fault output
Pin 4 and 5
Relay contact closed: no fault
Relay contact open: fault (see chapter 5
"Monitoring")
or
braking unit locked (Inhibit)
or
no DC bus voltage applied
Connectable cross-section:
0.08 – 1.5 mm
2
/ AWG 28 – 16
Tightening torque:
0.22 – 0.25 Nm / 0.16 – 0.18 lbf ft
Control terminals need not be connected for proper operation of the
braking unit.
Relay load current capability:
1 A at 230 V AC (overvoltage category II)
1 A at 24 V DC
NOTE