KEPCO KLN Series (750W, 1500W, 3000W), Main Contro Firmware Version 1.70 and higher - Manual (Page 29)

KLN Series 051614 2-3
TABLE 2-3. GPIB (IEEE 488) PORT INPUT/OUTPUT PIN ASSIGNMENTS
PIN SIGNAL NAME FUNCTION
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 2-4. PROGRAMMING CONTROL PORT I/O PIN ASSIGNMENTS
PIN
(FIGURE 2-6)
SIGNAL NAME FUNCTION
1, 2 RECALL External recall control (dry contact). Same function as RCL key on front panel.
3, 4, 5, 6 --- Not used
7 Power on/off status Output signal. Active (low between pin 7 and pin 8) to indicate unit is turned on.
(1)
8 Status common Common for Status signal pins 7, 9, 10, 11 and 12
(1)
9 Alarm status
Output signal. Active (low between pin 9 and pin 8) to indicate whether alarm (OVP or
OCP trips or shutdown signal applied to pin 23) has occurred. (open collector via opto-
coupler).
(1)
10 On/off status
Output signal. Active (low between pin 10 and pin 8) to indicate output is on (open col-
lector by optocoupler).
(1)
(See PAR. 3.3.38 to enable.)
11 CC status
Output signal. Active (low between pin 11 and pin 8) to indicate unit is in constant cur-
rent mode (open collector by optocoupler).
(1)
12 CV status
Output signal. Active (low between pin 12 and pin 8) to indicate unit is in constant volt-
age mode (open collector by optocoupler).
(1)
13 EXT 5V input+
Auxiliary output voltage. Used to supply +5V for the relay providing remote output
on/off function.
14 EXT V input common Common for Pin 13 (remote output on/off function).
15 PRL IN+
Input signal. For units operating in parallel, used for signal input into MASTER of cur-
rent sharing between MASTER and SLAVE(s) (see PAR. 2.8.2).