TDK-Lambda HFE2500-S1U Instruction Manual - page 8
Pin # Name
Description
Pos. # Control
plug J1
Referenced to
1,10 -SENSE
Negative sense Connected to –LS for local sensing, or –V on Load side.
All
Short
2 -LS
Connected to Negative Output bus bar through 3 Ohm resistor.
All
3 +SENSE
Positive sense Connected to +LS for local sensing, or +V on Load side.
All
Short
4 +LS
Connected to Positive Output bus bar through 3 Ohm resistor.
All
5 V_PROG
Input (0~5V) referenced to –S. Provides Vout programming by Voltage.
Refer to Fig 3.6, 3.7.
All
Short
-SENSE
6 TRIM
Output of Rear Panel potentiometer, for manual adjustment of Output Voltage.
All
-SENSE
7 I_PROG
Input (0-5V) referenced to -S. Provided current limit programming by external voltage.
Refer to Fig 3.6.1 and 3.7.1
All
Short
-SENSE
8,9 +5V/V_REF
5V fix output for standard option unit.
V_REF for Voltage and Current programming when PMBus option is being used.
All
-SENSE
11 TEMP_ALM_A
Output signal of PS in position A.
"LOW" when the internal temperature is within safe limit,
"HIGH" approximately 10°C below Thermal shut down.
Open Collector (15V Max, sink Current 10mA max)
A
SIGNAL RETURN
12 TEMP_ALM_B
Output signal of PS in position B. Same as 11.
B
SIGNAL RETURN
13 TEMP_ALM_C
Output signal of PS in position C. Same as 11.
C
SIGNAL RETURN
14 TEMP_ALM_D Output signal of PS in position D. Same as 11.
D
SIGNAL RETURN
15
NOT CONNECTED
16 AC_FAIL_A
Output signal of PS in position A.
"LOW" when the input voltage is 85Vac "HIGH" when the input voltage is 85Vac>Vin or Vin>270Vac. Open Collector (15V Max, sink Current 10mA max) A SIGNAL RETURN 17 AC_FAIL_B Output signal of PS in position B. Same as 16. B SIGNAL RETURN 18 AC_FAIL_C Output signal of PS in position C. Same as 16. C SIGNAL RETURN 19 AC_FAIL_D Output signal of PS in position D. Same as 16. D SIGNAL RETURN 20 NOT CONNECTED 21 DC_OK_A Output signal of PS in position A. "LOW" when the output voltage is higher than 85~95% of Vout setting. Open Collector (15V Max, sink Current 10mA max) A SIGNAL RETURN 22 DC_OK_B Output signal of PS in position B. Same as 21. B SIGNAL RETURN 23 DC_OK_C Output signal of PS in position C. Same as 21. C SIGNAL RETURN 24 DC_OK_D Output signal of PS in position D. Same as 21. D SIGNAL RETURN 25 NOT CONNECTED 26 37 40 SIGNAL RETURN Reference for: ENABLE, INHIBIT, TEMP ALARM, AC FAIL, DC OK, +12V AUX, SCL, SDA, SMB ALERT. The SIGNAL RETURN is isolated from the output. All 27 INHIBIT_A Input for PS in position A. Turns OFF the Main Output by electrical signal or dry contact. "SHORT" or 0~0.6V – Output OFF. "OPEN" or 2~15V – Output ON. A SIGNAL RETURN 28 INHIBIT_B Input signal for PS in position B. Same as 27. B SIGNAL RETURN 29 INHIBIT_C Input signal for PS in position C. Same as 27. C SIGNAL RETURN 30 INHIBIT_D Input signal for PS in position D. Same as 27. D SIGNAL RETURN 31 NOT USED NOT CONNECTED 32 PS_EXIST_A Output signal of PS in position A. SHORT to Signal Return when PS is inserted into the Rack. A SIGNAL RETURN 33 PS_EXIST_B Output signal of PS in position B. Same as 32. B SIGNAL RETURN 34 PS_EXIST_C Output signal of PS in position C. Same as 32. C SIGNAL RETURN 35 PS_EXIST_D Output signal of PS in position D. Same as 32. D SIGNAL RETURN 36 NOT USED NOT CONNECTED 38 +12V_AUX Output. Auxiliary supply 11.2~12.5VDC. Not affected by any signal or fail state. SIGNAL RETURN 39 ENABLE Input for entire rack. Turns ON the Main Output by electrical signal or dry contact. "SHORT" or 0~0.6V – Output ON. "OPEN" or 2~15V – Output OFF. All Short SIGNAL RETURN Table 1.1 J1 Connector Pin Allocation Chart 8