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Internal Configuration

Section 2-2

2-2

Internal Configuration

S8AS-24006 (Model with NO Communications and Changeable Parameter Settings)

S8AS-24006N (Model with NO Communications and Unchangeable Parameter Settings)

S8AS-24006R (Model with Communications and Changeable Parameter Settings)

SCREW (M3.5)

INPUT

AC (L)

AC (N)

Fuse:
12 A

Noise
filter

Rectifi-
cation

Inrush
current
limit

Harmonic
current
control

Smooth-
ing

Drive control
circuit

Photocoupler

Voltage-ON
detection

Rectification
and smoothing

Processing
circuit
(replacement
time)

Thermal

fuse

Current-

detection

resistor

Current-

limiting

circuit

Branch output 1

Branch output 2

Branch output 3

Branch output 4

Branch output 5

Branch output 6

Communications between
processing circuits (RS-232C)

Processing circuit
(main processing)

Voltage
detection

Current

fuse

SCREW (M4)

DC OUTPUT

B (+)

A (

−

)

−

Communica-

tions

circuit

(S8AS-24006R only)

RS-485

TRP

LOW

LFE

TMP

COM

TRG+
TRG

−

Display

circuit

Switches

Temperature

detection

Current-

detection

resistor

Cutoff
circuit

Cutoff circuit

Power supply

detection

Rectification
and smoothing

Summary of Contents for S8AS

Page 1: ...S8AS Smart Power Supply USER S MANUAL Cat No Z269 E1 05...

Page 2: ......

Page 3: ...S8AS Smart Power Supply User s Manual Revised September 2013...

Page 4: ...iv...

Page 5: ...ications and describes the basic functions Section 3 describes how to install and wire the S8AS Smart Power Supply Section 4 describes how to set the S8AS s various parameters Section 5 describes how...

Page 6: ...vi...

Page 7: ...nal Tripping Input Function 39 SECTION 3 Installation and Wiring 41 3 1 Installing the S8AS 42 3 2 Installation 44 3 3 Power Supply and Input Output Wiring 47 3 4 RS 485 Port Wiring 52 SECTION 4 Param...

Page 8: ...oller Information 102 6 5 Read Controller Attributes 103 6 6 Read Controller Status 104 6 7 Echoback Test 106 6 8 Operation Command 107 6 9 Response Code List 109 6 10 ASCII List 110 SECTION 7 Error P...

Page 9: ...s for removal or replacement thereof the non complying Product ii repair the non complying Product or iii repay or credit Buyer an amount equal to the purchase price of the non complying Product provi...

Page 10: ...THIN THE OVERALL EQUIPMENT OR SYS TEM Programmable Products Omron Companies shall not be responsible for the user s programming of a programmable Product or any consequence thereof Disclaimers Perform...

Page 11: ...roduct Minor burns may occasionally occur Do not touch the Product during power is being supplied or immediately after power is turned OFF Minor injury may occasionally occur due to electrical shock D...

Page 12: ...y of penetration of liquid foreign substance or corrosive gas 9 Do not use the Product where it would be subjected to shock or vibration A device such as a contact breaker may be a vibration source Se...

Page 13: ...y operations more than necessary 6 Do not push more than 100 N of force to the terminal block when tightening screws 7 Be sure to tighten the lock screws on the sides of the connector after connecting...

Page 14: ...that the air flow circulates around it because the S8AS is designed to radiate heat by means of natural air circulation Derating Curve The temperature range within which the S8AS can be used is restr...

Page 15: ...ion the S8AS may cause a cutoff when the power supply is turned OFF 3 Tolerance of current tripping alarm threshold is 0 3 A 4 Use Extended Detection only when using OMRON Remote I O Terminal with sho...

Page 16: ...tion resistance use a DC resistance meter at 500 VDC Note To prevent damage always short branch output terminals all I O terminals and communications terminals before testing Output Voltage Adjustment...

Page 17: ...ut Voltage The voltage detection function displays on the 7 segment display the voltage that is monitored at the internal circuit after AC DC conversion The displayed voltage will be somewhat lower th...

Page 18: ...In this manual the S8AS Smart Power Supply is referred to as the S8AS Notation of Setting Data Setting data codes and contents are displayed in seven segment display characters as shown in the followi...

Page 19: ...atures and Functions This section describes the features and functions of the S8AS 1 1 Overview of Features and Functions 2 1 2 S8AS Operating Modes 7 1 3 Table of Basic Functions 9 1 4 S8AS Operating...

Page 20: ...vides a stable 24 VDC power supply at an output current of 3 8 A maximum Model Number Legend S8AS Model Numbers Reduced Space Wiring and Work Combination of S8VS and S8M The space required within the...

Page 21: ...error indications and various alarm outputs Models that support communications can be monitored from a host computer using RS 485 communications Branch Output Tripping Circuits No contact Switching Th...

Page 22: ...output terminal for tripping alarms TRP will turn ON The photoswitch output will turn OFF Always remove the cause of the abnormal current before resetting the alarm Tripping for Total Peak Output Cur...

Page 23: ...ns out use a different branch output or replace the S8AS External Outputs The S8AS has 4 external outputs the Tripping Alarm Output TRP Under voltage Detection Output LOW Maintenance Forecast Monitor...

Page 24: ...s not necessary to construct an external sequence circuit The inrush current can be suppressed by applying a delay and the Power Supply Unit s load can be reduced For details refer to 2 5 Startup Sequ...

Page 25: ...as S8AS 24006N 48008N that do not permit changes in parameter settings Run Mode The output voltage output current internal temperature and run time are monitored while supplying 24 VDC to the branch o...

Page 26: ...values For details on default values refer to Turning the Power ON for the First Time Automatic Operation after Power ON When the rated voltage 100 to 240 VAC 50 60 Hz is applied to the AC input term...

Page 27: ...Mode the S8AS will enter Test Mode again the next time that the power is turned ON b When an error occurs in Test Mode branch outputs will be cut off and external signals will be output just as they...

Page 28: ...Instantaneous tripping within 20 ms LNG Extended tripping within 1 000 ms USU INS LNG Maintenance forecast monitor function Set the expected number of years until the S8AS needs to be replaced When th...

Page 29: ...ad write access by setting one of three levels The default protection level is level 1 0 to 2 Reset operation The tripping alarm output and alarm output can be cleared after removing the cause of the...

Page 30: ...f and the TRP output is turned ON The photoswitch output is turned OFF A12 Indicates that there are branch outputs that are not connected This error is not output in any mode other than Test Mode When...

Page 31: ...t breaker for short cir cuit current protec tion In Setting Mode set the abnormal current trip ping threshold C V for the branch output being used and set the abnormal current tripping detection setti...

Page 32: ...P Take the signal from the Over temperature Output TMP terminal and use that signal to operate a fan or air conditioner p 35 p 65 p 50 Restrict read write access of parame ters to prevent mis taken op...

Page 33: ...6 2 2 Internal Configuration 20 2 3 Specifications 22 2 4 Basic Function Details 29 2 4 1 Voltage Monitoring and Protection Functions 29 2 4 2 Over current Protection Functions 30 2 4 3 Maintenance Fo...

Page 34: ...separate terminal blocks with two positive and two negative termi nals for each branch output 1 AC input terminals 2 Protective earth PE terminal 3 Branch output terminals 4 Branch output terminals 6...

Page 35: ...mber of years to the set replacement time has been reached The photoswitch output will turn OFF TMP Over temperature Output Turns ON to indicate that the temperature exceeded the over temperature outp...

Page 36: ...ter V ADJ It may be dam aged 8 Seven segment Display Red Displays measured values or set values on a 3 digit LED display 9 Branch Output Indicators Orange 10 Unit Indicators Orange Shows the branch ou...

Page 37: ...ted Connected normally Flash Not con nected In the startup sequence and waiting for connection Red Lit Cut off Cut off due to an error Flash Cut off Cut off by an internal error Reset RST Key Used to...

Page 38: ...otocoupler Voltage ON detection Rectification and smoothing Processing circuit replacement time Thermal fuse Current detection resistor Current limiting circuit Branch output 1 Branch output 2 Branch...

Page 39: ...eeds the detection threshold the Over temperature Output TMP photoswitch out put will turn OFF When an internal circuit has failed the components can generate exces sive heat As a safety precaution ag...

Page 40: ...d output voltage See note 4 Output hold time See note 2 20 ms min for rated input and output voltage See note 4 Func tions Tripping func tions Abnormal volt age tripping 28 8 V Cannot be changed Abnor...

Page 41: ...ignal width 10 ms tripping after input within 20 ms the shutdown sequence set time All branch outputs Enabled Cannot be changed 19 2 to 30 VDC mini mum signal width 10 ms tripping after input within 2...

Page 42: ...tection cur rent 20 mA 2 0 kVAC for 1 min between all inputs and protective earth Detection current 20 mA 1 0 kVAC for 1 min between protective earth and all branch output all I O sig nal and all comm...

Page 43: ...ee note 4 Output hold time See note 2 20 ms max for rated input and output voltage See note 4 Func tions Tripping func tions Abnormal voltage trip ping 28 8 V Cannot be changed Abnormal current trip p...

Page 44: ...input within 20 ms the shutdown sequence set time All branch outputs Enabled Cannot be changed 19 2 to 30 VDC minimum signal width 10 ms tripping after input within 20 ms the shutdown sequence set ti...

Page 45: ...tection current 20 mA 2 0 kVAC for 1 min between all inputs and protective earth Detection current 20 mA 1 0 kVAC for 1 min between protective earth and all branch output all I O signal and all commun...

Page 46: ...r supply TRG TRG TRP LOW TMP LFE Output common Tripping Alarm Output circuit Over temperature Output circuit External Tripping Input circuit Undervoltage Detection Output circuit Maintenance Forecast...

Page 47: ...or display and Alarm Output can be reset when the voltage has been above the detection threshold 0 3 V for 500 ms longer Tripping operation Seven segment display Outputs Conditions required to reset 2...

Page 48: ...each branch in order to detect abnormal currents except for the S8AS 24006N 48008N which always use the same detection method Standard detection tripping within 100 ms Instantaneous detection tripping...

Page 49: ...utput Conditions required to reset 0 5 to 3 8 A 3 8 A Standard When a cur rent higher than the set value is detected the branch output is cut off within 100 ms The error codeA11 and current are dis pl...

Page 50: ...its the S8AS is equipped with built in current limiting circuits Consequently there is a Setting range Tripping region Current limiting by internal circuits Current A 100 Time ms 60 20 0 5 3 8 11 16 1...

Page 51: ...exceeds the maximum peak current value internal operation will become unstable and the branch outputs may be cut off 2 Maintain the total current for normal operation after the load devices have star...

Page 52: ...semiconductor relay from cutting off a branch output and the temperature of the S8AS s internal resistors rises abnormally high the S8AS s thermal fuse will blow to prevent a fire hazard Note If the...

Page 53: ...the over tempera ture output automatically turns ON The over temperature output TMP can be used to start an exhaust fan or air conditioner to reduce the temperature in the control panel The initial v...

Page 54: ...rol panel The difference between the internal temperature of the S8AS and the ambient temperature depends on the current flowing through the S8AS Consider this difference in the application The follow...

Page 55: ...tartup sequence will not operate and the branch output will be connected immediately 2 The startup sequence is designed for the four branch outputs on one S8AS It does not provide time synchronization...

Page 56: ...rned OFF disconnected simultaneously On the other hand when the branch outputs are cut off by the external tripping input or communications a time delay can be applied between the branch output discon...

Page 57: ...ssing for the external tripping input Simultaneous cutoff of all outputs in Test Mode 2 7 External Tripping Input Function The external tripping input TRG can be used to cut off or reconnect branch ou...

Page 58: ...gger Type Level Trigger LVL a Reset Branch output B voltage tripping input disabled Trigger signal Branch output A voltage tripping input enabled 10 ms 500 ms a 20 ms Shutdown sequence setting time Co...

Page 59: ...CTION 3 Installation and Wiring This section describes how to install and wire the S8AS 3 1 Installing the S8AS 42 3 2 Installation 44 3 3 Power Supply and Input Output Wiring 47 3 4 RS 485 Port Wirin...

Page 60: ...to static electricity or other forms of noise Locations subject to strong electromagnetic fields Locations subject to possible exposure to radioactivity Locations close to power lines Installation in...

Page 61: ...43 Installing the S8AS Section 3 1 Other control devices 75 mm min 75 mm min 20 mm min Air flow Other control devices...

Page 62: ...in a panel use DIN Rail Surface installation cannot be used Mounting in a Panel The S8AS must be installed in the orientation shown below to ensure adequate cooling Do not install the S8AS in any of...

Page 63: ...ail Yrs A 5 4 3 2 1 6 V s C S8AS 24006 POWER SUPPLY V V V RS485 A B 50 60Hz AC100 240V 3 8A INPUT N L 5 4 3 2 1 6 Class2 OUTPUT DC 24V 3 8A 5 4 3 2 1 6 5 4 3 2 1 6 V ADJ DC ON COM TMP TRG LFE LOW TRP...

Page 64: ...side of the Power Supply to secure it in place Recommended End Plate Removal When removing the S8AS from the DIN Rail pull the lock lever down with a flat blade screwdriver and pivot the S8AS upward...

Page 65: ...id or stranded 1 08 N m 9 6 in lb 8 to 10 mm Branch output termi nals UL Stan dard AWG12 to AWG14 Cross section area 2 081 to 3 309 mm2 Solid or stranded 1 2 N m 10 6 in lb 8 to 10 mm Branch output te...

Page 66: ...Meter UL1015 Heat resistant PVC Wire Wiring the AC Input and Protective Earth PE Terminals Use 100 to 240 VAC 85 to 264 VAC 50 60 Hz power supply with minimal voltage fluctuation Use wires with a hig...

Page 67: ...ximately 10 mm from the end Insert a flat blade screwdriver into the release button to release the lock Insert the wire into the round hole and then release the button to lock the wire in place Branch...

Page 68: ...RP Tripping Alarm Output The photoswitch output turns OFF when the branch output is cut off due to an abnormal voltage or abnormal current 2 LOW Undervoltage Detection Output The photoswitch output tu...

Page 69: ...max photoswitch output Input circuit 19 2 to 30 0 VDC Minimum signal width 10 ms TRG TRG TRP LOW TMP LFE Output common Tripping Alarm Output circuit Undervoltage Detection Output circuit Maintenance...

Page 70: ...that the communica tions specifications except for the communications unit number are set to the same values for all nodes A unique communications unit number must be set for each node Strip 10 mm fro...

Page 71: ...S parameters 4 1 Parameter Table 54 4 2 Switching the Operating Mode 56 4 3 Changing the Protection Level 59 4 4 Switching to Setting Mode 60 4 5 Individual Branch Output Settings 61 4 6 Shared Parame...

Page 72: ...voltage detection threshold v u V 18 0 to 26 4 V 20 0 V Maintenance forecast monitor output lfe Yrs 0 0 to 5 0 yr 0 5 yr Over temperature output thresh old tmp C 25 to 90 C 90 C Startup sequence Indiv...

Page 73: ...8N Use the default settings For details refer to 2 5 Startup Sequence Function 2 The communications settings can be changed for the S8AS 24006R 48008R only Changes to the parameters are valid after th...

Page 74: ...started for the first time it will enter Run Mode The default protection level is level 1 so the Parameter Initialization Display INI cannot be entered without changing the protection level Starting...

Page 75: ...or any models If the Key is pressed PRT protect will be displayed If the Key is pressed at this point the S8AS will switch to the protection level display Refer to 4 3 Changing the Protection Level fo...

Page 76: ...be performed from this display The S8AS will automatically return to the Parameter Initialization Dis play INI if no key is pressed within 3 s Press the Key The display will change to YES The paramete...

Page 77: ...Selection Menu and select the Protection Level setting PRT Level Applicable user Access Level 0 System administrator All parameters can be read and changed Level 1 Supervisor Only operational setting...

Page 78: ...output that was most recently modified will be the current branch output regardless of the operating mode Once the S8AS is switched to Setting Mode it will not return to Run Mode automatically To ret...

Page 79: ...even segment display will alternately show error code A11 and the current and the photoswitch output for Tripping Alarm Out put TRP will be turned OFF The error can be cleared immediately but the next...

Page 80: ...or Key When the Key is pressed the SV display will flash When the flashing stops the new SV will be saved and the S8AS will return to C T display If you want to confirm the new setting press the Key...

Page 81: ...s cut off and the Tripping Alarm Output TRP is turned OFF The output will be cut off within 20 ms Extended lng When the current exceeds the tripping threshold for more than 980 ms the branch output is...

Page 82: ...de A23 and the remaining lifetime in 0 5 year incre ments Returns to LFE display l f e 5 0 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C This parameter sets the maintenance f...

Page 83: ...utput can be received as a normally closed output and used to start an exhaust fan or air conditioner to reduce the tempera ture in the control panel Returns to TMP display t m p 9 0 8 0 1 2 3 4 5 6 V...

Page 84: ...e refer to 2 5 Startup Sequence Function Returns to UPS display u p s u p s 0 8 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C To change the branch out...

Page 85: ...5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C To change the branch output Press the Key to display the Shutdown Sequence Time Set Value SV for the current branch output The SV can be...

Page 86: ...ay t r g t r g o n o f f 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C 1 2 3 4 5 6 V A Yrs s C To change the branch output Press the Key to display the branch output paramete...

Page 87: ...ey to display the tripping input type The setting can be changed by pressing the or Key EGE Edge Output is cut off when TRG input changes from OFF to ON LVL Level Output is cut off when TRG input chan...

Page 88: ...computer Press the Key to display the unit number setting The setting can be changed by pressing the and Keys If the or Key is pressed for more than 2 s the SV will change by 10s instead of 1s When th...

Page 89: ...rate setting The set ting can be changed by pressing the or Key 96 9 600 bps 48 4 800 bps Change the setting with the or Key The S8AS will automatically return to the BPS display if no key is pressed...

Page 90: ...e data length to 7 or 8 bits Press the Key to display the data length setting The setting can be changed by pressing the or Key 7 7 bits 8 8 bits Change the setting with the or Key The S8AS will autom...

Page 91: ...number of stop bits to 1 bit or 2 bits Press the Key to display the stop bit setting The set ting can be changed by pressing the or Key 1 1 bit 2 2 bits Change the setting with the or Key The S8AS wi...

Page 92: ...ity to none even or odd Press the Key to display the parity setting The setting can be changed by pressing the and Keys Evn Even odd Odd non None Change the setting with the or Key The S8AS will autom...

Page 93: ...nd wait time setting The setting can be changed by pressing the and Keys The setting range is 0 to 999 ms Change the setting with the and Keys If the or Key is pressed for more than 2 s the SV will ch...

Page 94: ...setting The setting can be changed by pressing the or Key KEY Errors can be reset using the S8AS Reset Key only ALL Errors can be reset using the S8AS Reset Key or by turning the power supply OFF Chan...

Page 95: ...h output in Test Mode When the S8AS is shipped from the factory all branch outputs are connected If you want to set unused branch outputs so that they are not connected set those outputs to OFF in Tes...

Page 96: ...n Test When an error occurs in Test Mode or the external tripping input is turned ON the tripping operation will be executed and the appropriate external output will be turned OFF but the error code w...

Page 97: ...to Setting Mode if the Key is pressed You cannot switch to Setting Mode if using models that do not allow changes to settings S8AS 24006N 48008N If the Key is pressed TST will be displayed At this po...

Page 98: ...Key and Key together for at least 3 seconds to switch to the Mode Selec tion Menu The flashing OFF display indicates that the S8AS is ready to disconnect branch output 1 To disconnect branch output 1...

Page 99: ...ash ing it indicates that the S8AS is ready to simultaneously disconnect all of the branch outputs If the Key is pressed the S8AS starts cutting off all the branch outputs and the outputs will be cut...

Page 100: ...intenance fore cast monitor output and internal temperature can be displayed The peak output currents can also be cleared Moving from Test Mode to Run Mode Press the Key and the Key simultaneously for...

Page 101: ...tered one of the following will be displayed the output voltage branch output current total output current mainte nance forecast monitor output or internal temperature In this example the output volta...

Page 102: ...Output voltage to Total output current of all branch outputs See note 2 to Present current of branch output 1 to Peak output current of branch out put 1 See note 1 to Present current of branch output...

Page 103: ...peak output current display value may be greater than the abnormal current tripping threshold Press the Key Clearing the peak time will be started and 0 0 will flash on the display When 0 0 stops fla...

Page 104: ...86 Run Mode Section 5 4...

Page 105: ...Frame Structure 90 6 2 1 Command Frame Structure 90 6 2 2 Response Frame Structure 91 6 2 3 FINS mini Structure 94 6 3 Variable Area Operations 99 6 4 Read Controller Information 102 6 5 Read Controll...

Page 106: ...485 Port Wiring for details on connecting the communications cable Communications Specifications Communications cable Connection configuration 1 n connection Communications method RS 485 Synchronizati...

Page 107: ...fied format has a proven track record with OMRON Programmable Controllers has FINS compliant commands see note and simplifies communications between the host computer and components Note FINS Factory...

Page 108: ...32 There will be no response to a transmission with an invalid node address Subaddress The subaddress is not used in the S8AS Always set the sub address to 00 SID Service ID The SID is not used in the...

Page 109: ...cause the parity bit in the data did not match the parity setting 1 11 Framing error The stop bit was 0 2 12 Overrun error Attempted to write new data to the reception regis ter when the reception reg...

Page 110: ...FINS mini Command Response The end code is 14 format error Subaddress Invalid Missing SID and FINS mini Command Response The end code is 16 subaddress error The subaddress error code is returned beca...

Page 111: ...racter Response None There is no response because the return node address is unknown Missing Subaddress Invalid BCC Command Response The subaddress is 00 and the end code is 13 BCC error SID 0 1 0 0 0...

Page 112: ...e Code and the response data are transmitted in the response frame Service Response PDU Normal Response If the specified FINS mini command could not be executed service response PDU will contain only...

Page 113: ...h 1 kh increments 0003 Internal temperature C FFEC to 0064 20 to 100 C If lower limit is exceeded 8000 If upper limit is exceeded 7FFF 0004 Remaining life years 0000 to 0096 0 0 to 15 0 years Address...

Page 114: ...tage is detected Address Name Data range 1020 Current when abnormal current trip ping occurred in branch output 1 0000 to 00C8 0 0 to 20 0 A If the lower limit is exceeded 0000 If the upper limit is e...

Page 115: ...urrent tripping type for branch output 6 0016 Current tripping type for branch output 7 0017 Current tripping type for branch output 8 Address Name Data range 0020 Current tripping threshold for branc...

Page 116: ...branch output 8 Address Name Data range 0070 External tripping input cutoff for branch output 1 0000 or 0001 0 Enabled 1 Disabled 0071 External tripping input cutoff for branch output 2 0072 External...

Page 117: ...operation will be performed as long as the amount of data up to the last variable area address is within the specified range of the number of elements The read data beyond the end of the variable are...

Page 118: ...10B Response too long The number of elements is larger than 0038 4 1100 Parameter error The bit position is not 00 5 0000 Normal completion No error None MRC SRC 0 1 0 2 0 0 2 2 2 4 2 4 Variable Type...

Page 119: ...tua tions The data will not be written when this error occurs In this case the Write Start Address setting is correct and the amount of write data 2 is within the specified range but the number of ele...

Page 120: ...rned in 20 bytes of ASCII data If the data is less than 20 bytes long the remaining bytes will be padded with spaces 20 hex Example V1 00 The remaining 15 bytes are all spaces MRC SRC 0 5 0 1 2 2 MRC...

Page 121: ...xadecimal and is converted to 4 byte ASCII before being displayed 00F8 Indicates 248 bytes Response code Error name Cause Error priority 1001 Command too long The command is too long 2 0000 Normal com...

Page 122: ...onse Code Operating Status Related Information 20 0 Connected 1 Cut off The connection status is shown for each output regardless of the cause of the cutoff Branch output 1 Branch output 2 Branch outp...

Page 123: ...s too long 2 0000 Normal completion No error 0 Next 2 bytes for each of the 8 branch outputs 0 Event did not occur 1 Event occurred Hardware cutoff subject to cutoff Abnormal current trip cutoff by so...

Page 124: ...own below depending on the communications data length setting 2 Response Codes MRC SRC 0 8 0 1 2 2 Test Data 0 to 231 MRC SRC 0 8 0 1 2 2 4 Response Code Test Data 0 to 231 Data length Processing 8 bi...

Page 125: ...2 Command Code Related Info MRC SRC 3 0 0 5 2 2 4 Response Code Command code Command content Related Information 00 Immediately connect Each bit corresponds to a branch output Multiple branch outputs...

Page 126: ...Error name Cause Error priority 1001 Command too long The command is too long 1 1002 Command too short The command is too short 2 1100 Parameter error Command code and related information are wrong Bi...

Page 127: ...the number of elements 5 100B Response too long The response exceeds the com munications buffer size 6 1100 Parameter error The bit position is not 00 A value that must be 00 was not set to 00 Incorr...

Page 128: ...110 ASCII List Section 6 10 6 10 ASCII List Even parity...

Page 129: ...111 SECTION 7 Error Processing This section explains how to troubleshoot errors that may occur when using the S8AS 7 1 Troubleshooting 112 7 2 Seven segment Error Codes 114 7 3 Clearing Errors 115...

Page 130: ...the power OFF then ON again 54 Equipment setup The display is flashing ON in Test Mode but power is not being supplied by the outputs A flashing ON display indi cates that the S8AS is waiting to turn...

Page 131: ...ices to differ ent branch outputs and use the S8AS s startup sequence to offset the connections to the devices 37 66 Branch out put cutoff The connection cannot be reset immediately after it is cut of...

Page 132: ...reated as a system error for the S8AS 24006N 48008N a 10 A10 Abnormal voltage trip ping The power supply voltage exceeded 28 8 V Check the power supply voltage a 11 A11 Abnormal current trip ping The...

Page 133: ...r Power will be supplied at the output again Regardless of whether the Power Supply is in Run Mode Setting Mode or Test Mode errors caused by events such as overcurrent can be cleared by eliminating t...

Page 134: ...uses Check whether the load connected to the output is too large or the current setting is too low If there are too many loads connected split up the loads If the current setting is too low increase t...

Page 135: ...rd detection tripping within 100 ms instantaneous detection trip ping within 20 ms or extended detection tripping within 1 000 ms With instantaneous detection the output will be cut off within 20 ms i...

Page 136: ...e inrush current from being detected as an abnormal current and cutting off operation The peak output current value will still be updated during the startup delay 34 startup sequence The startup seque...

Page 137: ...played when the remaining lifetime of the maintenance fore cast monitor is more than 5 years 34 INI ini INI is an abbreviation for initial It is an option in the Mode Selection Menu and is displayed w...

Page 138: ...Determines for each branch output whether it can be cut off using an external input signal 17 50 68 TST tst TST is an abbreviation for test It is an option in the Mode Selection Menu that is selected...

Page 139: ...ote 2 No keys pressed for 3 s Run Mode Setting Mode Test Mode Initialize parameters See note 2 Set protection level Press for 3 s Note 1 The TST display does not appear in protection level 2 Note 2 Th...

Page 140: ...ts Parity Shutdown sequence See note 4 Tripping input setting See note 4 Tripping input type setting Send wait time Select reset method Communications setting When the S8AS is in protection level 0 al...

Page 141: ...tput number Connect all branch outputs Press for 3 s Mode Selection Menu Select Run Mode Select Setting Mode Select Test Mode See note 1 Protection level Initialize parameters See note 2 Note The ON O...

Page 142: ...e Run Mode Output voltage Branch output 1 current See note 3 C C C C C C C Monitor operation for each branch output Total current of all branch outputs Maintenance forecast monitor display Clear peak...

Page 143: ...tripping input Information changed in table Added delay relay callout to figure Page 54 Added reference to last paragraph Added clamp filter callout to figure Page 56 Changed information on reset inpu...

Page 144: ...126 Revision History...

Page 145: ......

Page 146: ...S A Tel 1 847 843 7900 Fax 1 847 843 7787 Regional Headquarters OMRON EUROPE B V Wegalaan 67 69 2132 JD Hoofddorp The Netherlands Tel 31 2356 81 300 Fax 31 2356 81 388 Contact www ia omron com Tokyo J...

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