SNR RDC-48-540-STD [12/15] A1 a10 54v is the positive terminal of the 54v dc input

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（2） Monitoring interface

A1-A10: +54V is the positive terminal of the 54V DC input.

A11:empty,

B1,B7-B11: empty

B2-B6：+54V is the positive terminal of the 54V DC input

C1: STATE1 is the collector input of OPT on for the rectification module 1, high resistant when the module

is disconnected while low electric level when connected

C2-C6: empty

C7-C11: GND is the negative terminal of the DC 54V input.

D1: ACSTATE+ is the emitter input of the warning OPT for AC power shut down, it should be high

resistance in warning status and should be high electric level in normal operation

D2,D3: empty

D4: CLONX is the TTL electric level output for battery current limitation value control, high electric level

would change it default value while low electric level keep it remain the same

D5: VDD is the 5V voltage output.

D6: BATFUSE is the TTL electric level input for battery fuse burn warning, high electric level for warning

status and low electric level for normal operation.

D7: empty

D8: LOAD1FUSE is the 23V input for No. 1 circuit load fuse burn warning, 23V for warning status and low

electric level for normal operation.

D9: LOAD2FUSE is the 23V input for No. 2 circuit load fuse burn warning, 23V for warning status and low

electric level for normal operation.

D10,D11: GND is the negative terminal of 54V DC input.

E1: CLISTATE2 is the collector input of overload OPT for rectification module 2, high resistance for

overload status and low electric level for normal operation

E2: ALM1 is the collector input of output warning OPT of rectification module 1, high resistance for

warning status and low electric level for normal operation

E3: CLISTATE1 is the collector input of overload OPT for rectification module 1, high resistance for

overl

oad status and low electric level for normal operation

E4: STATE2 is the collector input of OPT on for the rectification module 2, high resistant when the module

LOAD1FUSE

BATFUSE

GND

CLI-STATE

ALM2

BAT-DOWN

J1-

J1- 9

J1- 8

J1- 7

J1- 6

J1- 5

ALM1

CL1STATE1

CL1STATE2

J1- 3

J1- 2

J1- 1

STATE2J1- 4

J1- 8

J1- 9

J1- 10

J1- 7

J1- 5

J1- 6

LOAD2FUSE

VDD

ACSTATE+

J1- 3

J1- 1

J1- 2

CLCONX

J1- 4

GND

J1- 11 J1- 11

J1-C10

J1-C9

J1-C8

J1-C7

J1-C6

J1-C5

STATE1

J1-C3

J1-C2

J1-C1

J1-C4

J1- 10

J1- 9

J1- 8

J1- 7

J1- 6

J1- 5

+54V

J1-

J1- 2

J1- 1

J1- 4

J1- 11

GND

J1-C11

-48V-LOW-ALM

J1- 10

J1- 9

J1- 8

J1- 7

J1- 6

J1- 5

+54V

J1- 3

J1- 2

J1- 1

J1- 4

J1- 11

SNR RDC-48-540-STD [12/15] A1 a10 54v is the positive terminal of the 54v dc input

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