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AMETEK SGI Series User Manual

Page 95

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Sorensen SGI Series

Calibration and Verification

M550221-01 Rev AA

3-43

Pin Reference

Electrical

Parameters

Functional Description

11

ISET

*

Zout ~ 100

Monitor signal for front panel current potentiometer setpoint:
0-5 VDC = 0-100% of full-scale setpoint. Minimum
recommended load resistance is 100 k



Signal return is Pin

J1-6 (COM). Circuit is electrically connected to the output
power negative terminal.

12

Not Used

13

14

ISO

TTL/CMOS

Zin ~ 900



in

series with anode

of opto-isolator

LED

Isolated remote control input for output on/off with a logic
signal: a logic-high, 5 VDC TTL/CMOS signal will enable
(turn-on) the output of the supply, and a logic-low signal
disables (turns off) the output. This control input is optically
isolated from the output power negative terminal of the power
supply (up to 500 VDC). Signal return is Pin J1-2 (ISO RTN).
See Section 3.13.

15

VP 10V

Zin ~ 20 k

Remote control input for voltage programming using a voltage
source: 0-10 VDC = 0-100% of full-scale output voltage. Do
not exceed an input of 25 VDC. Signal return is Pin J1-4 or
Pin J1-20 (VP RTN). Circuit is electrically connected to the
output power negative terminal. See Section 3.11.

16

IP 10V

Zin ~ 20 k

Remote control input for current programming using a voltage
source: 0-10 VDC = 0-100% of full-scale output current. Do
not exceed an input of 25 VDC. Signal return is Pin J1-4 or
Pin J1-20 (VP RTN). Circuit is electrically connected to the
output power negative terminal. See Section 3.10.

17

FAULT

Zout ~ 1 k

Output signal for indicating a fault state: a logic-high state
(approximately +10 VDC) indicates a fault has occurred in a
power module, such as overtemperature, undervoltage of AC
input, or converter failure; front panel Fault LED will also be
lit. Signal return is Pin J1-6 (COM). Circuit is electrically
connected to the output power negative terminal.

18

S/D FAULT

Zout ~ 100

Output signal for shutdown/fault state: a logic-high state
indicates shutdown produced by an OVP condition, Power-
On-Reset (POR), remote disable, or housekeeping supply
fault. An 8 VDC minimum output signal is provided into a
load of 10 k



load. Signal return is Pin J1-6 (COM). Circuit is

electrically connected to the output power negative terminal.
See Section 3.13.3.

19

V MON

Zout ~ 100

Monitor signal for output voltage: 0-10 VDC = 0-100% of full-
scale output voltage. Minimum recommended load resistance
is 100 k



Circuit return Pin J1-6 (COM). Circuit is electrically

connected to the output power negative terminal.

20

VP RTN

Zin ~ 10 k

Voltage programming signal return to be used with Pins J1-9,
J1-15 or J1-21; also must be externally connected to Pin J1-6
(COM) signal return when voltage programming is utilized.
Circuit is electrically connected to the output power negative
terminal.

21

VP RES

*

1mA current

source with
compliance

Current source of 1 mA for remote voltage programming
using a resistance connected to signal return Pin J1-4 or
Pin J1-20 (VP RTN): 0-5 k

Ω = 0-100% of full-scale output