KEPCO EL Series Electronic Load Operator Manual P/N 243-1295 Firmware Version 3.12 (Unit Rev 2) - Manual (Page 52)

3-18
SERIES EL 070110
• 10 - Unregulated (UNR) — 1 indicates unregulated
• 11 - Not Used — always zero.
• 12 - Overvoltage (OV) — 1 indicates overvoltage condition has been detected.
• 13 - Protection Shutdown (PS) — 1 indicates protection shutdown has occurred
• 14 - 15 - Not Used — always zero.
3.10.7.5 CHANNEL STATUS REGISTER
The Channel Status registers (see Figure 3-5), one for each parallel-connected load, reflect the
state of each load
• 0 - Voltage Fault (VF) — 1 indicates the Voltage Fault
• 1 - Overcurrent (OC) — 1 indicates overcurrent condition has been detected.
• 2 - Not Used — always zero.
• 3 - Overpower (OP) — 1 indicates power has exceeded the rated maximum.
• 4 - Overtemperature (OT) — 1 indicates overtemperature condition has been detected.
• 5 - 7 - Not Used — always zero.
• 8 - Extended Power Unavailable (EPU) — 1 indicates Extended Power Unavailable
• 9 - Not Used — always zero.
• 10 - Unregulated (UNR) — 1 indicates unregulated
• 11 - Not Used — always zero.
• 12 - Overvoltage (OV) — 1 indicates overvoltage condition has been detected.
• 13 - Protection Shutdown (PS) — 1 indicates protection shutdown has occurred
• 14 - 15 - Not Used — always zero.
3.10.7.6 CHANNEL SUMMARY REGISTER
The Channel Summary registers (see Figure 3-5), store the OR’ed output of each Channel sta-
tus register.
• 0 - MASTER
• 1 - SLAVE 1
through
• 14 - SLAVE 14
• 15 - Not Used — always zero.
3.10.7.7 STATUS BYTE REGISTER
The Status Byte registers (see Figure 3-5), essentially determine which lower-level summary
conditions can generate a Service Request.
• 0 - 1 - Not Used — always zero.
• 2 - CSUM — Channel Summary, logical OR of enabled channels in the Channel Sum-
mary registers.
• 3 - QUES — Questionable Status, logical OR of enabled conditions in the Questionable