KEPCO BHK-MG 40W (Half Rack) Series - Manual (Page 34)

2-4
BHK-1/2-MG SERIES 121313
TABLE 2-2. IEEE 488 PORT CONNECTOR PIN ASSIGNMENTS
CONNECTOR PIN SIGNAL NAME FUNCTION
IEEE 488
PORT
A1J1
1 D I 01 I/O Line
2 D I 02 I/O Line
3 D I 03 I/O Line
4 D I 04 I/O Line
5 EOI End or Identify
6 DAV Data Valid
7 NRFD Not Ready for Data
8 NDAC Not Data Accepted
9 IFC Interface Clear
10 SRQ Service Request
11 ATN Attention
12 SHIELD Shield
13 D I 05 I/O Line
14 D I 06 I/O Line
15 D I 07 I/O Line
16 D I 08 I/O Line
17 REN Remote Enable
18 GND Ground (signal common)
19 GND Ground (signal common)
20 GND Ground (signal common)
21 GND Ground (signal common)
22 GND Ground (signal common)
23 GND Ground (signal common)
24 LOGIC GND Logic Ground
TABLE 2-3. STATUS AND REMOTE ON/OFF PORT CONNECTOR PIN ASSIGNMENTS
CONNECTOR PIN SIGNAL NAME FUNCTION
STATUS AND
REMOTE ON/OFF
PORT
CONNECTOR A3J14
1 Armature Relay control armature contact.
2
N-open Normally open relay control input: pins 1 - 2 open for output
ON, pins 1 - 2 closed for output OFF (Jumper A3JP1 should
be in the factory default position, between pins 1 and 2).
3
N-closed Normally closed relay control input: pins 1 - 3 closed for out-
put ON, pins 1 - 3 open for output OFF (Jumper A3JP1
should be inserted between pins 2 and 3).
4 5V Return Return for TTL control
5 Not Used.
6 TTL TTL control input: Logic 0 for unit ON, logic 1 for unit OFF.
7
Collector Collector of LED-transistor optocoupler. Notifies host com-
puter of absence of a-c input or a major power supply failure,
active “high” (see PAR 1.4.9), requires pin 8 to be connected
to the “–“ of the host computer d-c supply as described in
PAR.2.9.
8
Emitter Emitter of LED-transistor optocoupler. Notifies host computer
of absence of a-c input or a major power supply failure, active
“low” (see PAR 1.4.9), requires pin 7 to be connected to the
“+“ of the host computer d-c supply as described in PAR. 2.9.