Regenerative power supply module MDR9.B-..

X1:1

L1

Line connection

X1:2

L2

X1:3

L3

PE

PE connection

X3:+R

+R

Braking resistor connection

X3:-R

-R

PE

PE connection

X4:+V_Z

+V_Z

DC link connection

X4:-V_Z

-V_Z

PE

PE connection

X5:24 V

24 V_in

DC 24 V voltage supply

X5:GND

GND

X7:1

+TEMP_R

DC 24 V auxiliary voltage output

X7:2

-TEMP_R

Sensor input for temperature monitoring of the braking resistor

X7:3

Reserved

–

X7:4

Reserved

–

X12:L1

L1_S

Line voltage tapping of L1_S from MDF90B filter module
(only MDR90B)

X12:L2

L2_S

Line voltage tapping of L2_S from MDF90B filter module
(only MDR90B)

X12:L3

L3_S

Line voltage tapping of L3_S from MDF90B filter module
(only MDR90B)

PE

PE connection

X13:MCE

MCE

Main Contact Enable (MCE),

DC 24 V voltage output for controlling the coupling relay K1 for the line contactor K3

X13:GND

GND

Reference potential

X13:PCE

PCE

Pre Charge Enable (PCE)

If jumper PCE to GND is open, precharge inhibit is activated. The bridge is supplied pre-installed.

X13:GND

GND

Reference potential

PE

PE connection

X30 OUT

System bus

X30 IN

X31

SEW‑EURODRIVE Service interface

X20:1

DI01

Digital input: Selection of FCB 58 Supply and regenerative modeThe assignment specified here is the factory setting. The inputs and outputs can be programmed as required

X20:2

DI02

Digital input: Fault reset¹⁾

X20:3

DI03

Digital input: Selection of FCB 53 Hold precharge¹⁾

X20:4

DI04

Digital input: Inhibit energy recovery function¹⁾

X20:5

DI05

Digital input: Inhibit step-up function¹⁾

X20:6

DI06

Digital input: no function

X20:7

GND

Reference potential

X20:8

24V_out

DC 24 V voltage output

X21:1

DO00

Digital output: DC link ready¹⁾

X21:2

DO01

Digital output: Precharging active¹⁾

X21:3

DO02

Digital output: No function

X21:4

DO03

Digital output: Fault¹⁾

X21:5

GND

Reference potential