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TABLE 2-10. ANALOG I/O PORT INPUT/OUTPUT PIN ASSIGNMENTS
CONNECTOR
PIN
CAUTION: IT IS RECOMMENDED THAT SOURCE POWER OF EXTERNAL EQUIPMENT CON-
ANALOG I/O
PORT
A2A5J6
NOTE 1. When disabled, the external limit channels are automatically set 20% higher than BOP nominal references.
2.3
PRELIMINARY OPERATIONAL CHECK
A simple operational check after unpacking and before equipment installation is advisable to
ascertain whether the power supply has suffered damage resulting from shipping.
Refer to Figures 2-1 and 3-1 for location of operating controls and electrical connections. Tables
3-1 and 3-2 explain the functions of operating controls/indicators and keypad keys, respectively.
Refer to PAR. 3.2 for a description of basic operating techniques.
2-6
SIGNAL NAME
NECTED TO THE ANALOG PORT BE APPLIED THROUGH AN ISOLATING TRANS-
FORMER TO AVOID GROUND LOOPS OR POSSIBLE DAMAGE TO THE BOP DUE TO
INCORRECT EQUIPMENT A-C WIRING (E.G., DEFEATING OF GROUND CONNECTION).
1
NC
2
VM-/CM
3
IOUT_DMM
4
SGND
5
– I_LIM_EXT
6
– V_LIM_EXT
7
NC
8
NC
9
GND
10
SGND
11
EXT_REF
12
GND1
13
+I_LIM_EXT
14
+V_LIM_EXT
15
NC
External input signal, TTL logic referenced to pin 9, controls the mode
of operation when using external reference (goes to the digital board
that changes VM-/CM signal). Logic 0 (or pin grounded) = current
mode, logic 1 (or pin not connected, the default) = voltage mode (see
PAR. 3.4.2).
Output analog signal through 2K ohm resistor referenced to pin 4 for
monitoring overall output current, 0V to ± 10V corresponds to zero to ±
full scale current.
Signal Ground used for IOUT_DMM (pin 3) return.
Analog input signal referenced to pin 12, 0V to +10V sets the negative
current limit between zero and –I
maximum current (e.g., for BOP 36-28MG +10V sets negative current
limit to –28A) (see PAR. 3.4.4). Open = disabled (see NOTE 1).
Analog input signal, 0V to +10V, sets the negative voltage limit
between zero and –E
, +10V corresponds to rated maximum volt-
Omax
age (e.g., for BOP 36-28MG +10V sets negative voltage limit to –36V).
Open = disabled. (See PAR. 3.4.4.) Open = disabled (see NOTE 1).
Ground - Used for VM-/CM (pin 2) return
Signal Ground (used for EXT_REF (pin 11) return
External analog reference signal referenced to pin 10, used for both
voltage mode and current mode, 0V to ±10V corresponds to zero to ±
rated nominal (full scale), voltage or current (see PAR. 3.4.3).
Ground (Used for pin 5, 6, 13 and 14 return)
Analog input signal referenced to pin 12, 0V to +10V sets the positive
current limit between zero and I
mum current (e.g., for BOP 36-28MG +10V sets positive current limit to
+28A) (see PAR. 3.4.4). Open = disabled (see NOTE 1).
Analog input signal, 0V to +10V sets the positive voltage limit between
zero and E
, +10V corresponds to rated maximum voltage (e.g.,
Omax
for BOP 36-28MG +10V sets positive current limit to +36V. Open = dis-
abled. (See PAR. 3.4.4.) (see NOTE 1).
FUNCTION
, +10V corresponds to rated
Omax
; +10V corresponds to rated maxi-
Omax
BOP HIPWR 080709
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