TOA Electronics FPS1000-12 - Handbuch (Seite 31)

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10.7.5 Control and monitoring signals connector
Current sharing signal. When FPS-S1U racks are connected in parallel, the CS pins
of the units should be connected to allow current balance between units. CS 9
Connection for output voltage trimming of FPS1000 unit "C". The voltage can be
trimmed within its range specifications. V_TRIM_C 10
Return for the following control and supervisory signals: On/Off, DC_OK,
Over_temperature Alarm, AC_Fail, Auxiliary 12V supply. The Signal return is isolated
from the output terminals. SIGNAL_RETURN 11
17 NC
18 NC
19 NC
Open collector signal, referenced to pin 11 (Signal Return). On when the output voltage
of FPS1000 unit "C” is higher than
≥ 80%+/-5%. The maximum sink current: 10mA
and the maximum external voltage is 15V.
DC_OK_C 12
Positive sensing. The +Sense signal should be connected to the positive terminal of
the load. The +Sense and -Sense leads should be twisted pair to minimize noise pick-
up effect. The maximum load wires drop compensation is 1V/wire. +SENSE 13
Open collector signal, referenced to pin 11 (Signal Return). On when the input voltage
of FPS1000 unit "B" is
≥85Vrms. The maximum sink current is 10mA, and the maximum
external voltage is 15Vdc.
AC_FAIL_B 14
Turns the output of FPS1000 unit "B" to On and Off by electrical signal or dry contact
between pin 15 and pin 11 (Signal Return). 0~0.6V or Short: On, 2~15V or Open:
Off. The maximum source current is 2.6mA. ON/OFF_B 15
Open collector signal, referenced to pin 11 (Signal Return). On when the input voltage
of FPS1000 unit "A" is
≥85Vrms. The maximum sink current is 10mA, and the maximum
external voltage is 15Vdc.
AC_FAIL_A 16
Not connected
Not connected
Not connected
Serial Clock used in the I
2 C interface option. Refer to the I 2 C interface description in
the Chapter 7 in this Instruction Manual.
SCL (I 2 C) 20
Serial Data used in the I 2 C interface option. Refer to the I 2 C interface description in
the Chapter 7 in this Instruction Manual.
SDA (I 2 C) 21
Negative sensing. The -Sense signal should be connected to the negative terminal
of the load. The -Sense and +Sense leads should be twisted pair to minimize noise
pick-up effect. The maximum load wires drop compensation is 1V/wire. -SENSE 22
Open collector signal, referenced to pin 11 (Signal Return). On when the internal temperature
of FPS1000 unit "C" is within safe limit, Off approx 10
°C below Thermal shut down. The
maximum sink current is 10mA and the maximum external voltage is 15V.
TEMP_ALARM_C 23
Open collector signal, referenced to pin 11 (Signal Return). On when the input voltage
of FPS1000 unit "C" is
≥85Vrms. The maximum sink current is 10mA, and the maximum
external voltage is 15Vdc.
AC_FAIL_C 24
Turns the output of FPS1000 unit "C" to On and Off by electrical signal or dry contact
between pin 25 and pin 11 (Signal Return). 0~0.6V or Short: On, 2~15V or Open: Off.
The maximum source current is 2.6mA. ON/OFF_C 25