Sel 751A - Checking Relay Status; Figure 1.2 Response Header; Figure 1.3 STA Command Response-No Communications Card or EIA-232⁄ EIA-485 Communications Card; Table 1.2 SEL-751 A Serial Port Settings

1.17
Date Code 20100129 Instruction Manual SEL-751A Relay
Introduction and Specifications
Getting Started
Step 7. Type ACC <Enter> and the appropriate password (see
Table 7.33 for factory default passwords) to go to Access
Level 1.
=>QUIT <Enter>
Feeder xyz Date: 03/10/2007 Time: 10:31:43
Station 1 Time Source: Internal
Figure 1.2 Response Header
Checking
Relay Status
Use the STA serial port command to view the SEL-751A operational status.
Analog channel dc offset and monitored component status are listed in the
status report depicted in Figure 1.3.
=>STA <Enter>
SEL-751A Date: 08/13/2009 Time: 20:24:29
FEEDER RELAY Time Source: External
Serial Num = 000000000000000
FID = SEL-751A-X402-V0-Z005003-D20090803 CID = CD05
PART NUM = 751A01B1X0X7386163X
SELF TESTS (W=Warn)
FPGA GPSB HMI RAM ROM CR_RAM NON_VOL CLOCK CID_FILE +0.9V +1.2V
OK OK OK OK OK OK OK OK OK 0.90 1.19
+1.5V +1.8V +2.5V +3.3V +3.75V +5.0V -1.25V -5.0V BATT
1.49 1.81 2.49 3.33 3.76 4.97 -1.25 -4.91 3.07
Option Cards
CARD_C CARD_D CARD_E CURRENT
OK OK OK OK
Offsets
IA IB IC IN VA VB VC VS
OK OK OK OK OK OK OK OK
Relay Enabled
=>
Figure 1.3 STA Command Response—No Communications Card
or EIA-232⁄ EIA-485 Communications Card
If a communications card with the DeviceNet protocol is present, the status
report depicted in Figure 1.4 applies. If a communications card with Modbus
RTU protocol is present, the status report depicted in Figure 1.3 applies.
Table 1.2 SEL-751A Serial Port Settings
Description Setting Label Default Value
SPEED SPEED 9600
DATA BITS BITS 8
PA RIT Y PA RIT Y N
STOP BITS STOP 1
PORT TIMEOUT T_OUT 5
HWDR HANDSHAKING RTSCTS N