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21

Internal Configuration

Section 2-2

S8AS-48008 (Model with NO Communications and Changeable Parameter Settings)

S8AS-48008N (Model with NO Communications and Unchangeable Parameter Settings)

S8AS-48008R (Model with Communications and Changeable Parameter Settings)

• The S8AS compares the measured input voltage, current, and internal

temperature with the preset parameters. These values can be read on the
S8AS's seven-segment display.

• When an error is detected, the branch output will be cut off or an alarm

will be output. The error code and PV will be displayed alternately on the
seven-segment display.

• When an abnormal voltage or current is detected, the semiconductor

relay will cut off the branch output. In the unlikely event that the semicon-
ductor relay cannot cut off an abnormal current or short-circuit current, the
redundant protection circuit, and the short-circuit protection fuse (12.0 A
minimum) will operate to protect the system.

• The S8AS has a built-in temperature sensor, which can detect a tempera-

ture rise inside the S8AS. When the internal temperature exceeds 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 against this kind of failure, the S8AS is
equipped with a function that cuts off operation using a thermal fuse.

Models that support communications have a RS-485 port, and can be con-
nected to a host computer.

SCREW (M3.5)

INPUT

AC (L)

AC (N)

Auxiliary power 
supply circuit

SCREW (M4)

DC OUTPUT

B (+)

A (

−

)

−

V

RS-485

TRP

LOW

LFE

TMP

COM

TRG+
TRG

−

Current 
detection

Current-ON 
detection

+

V

+

V

Thermal  

fuse

Current- 

detection  

resistor

Current-

limiting 

circuit

Branch output 6

Voltage 

detection

Current 

fuse

Communica- 

tions  

circuit

(S8AS-48008R only)

Display 

circuit

Switches

Temperature 

detection

Current- 

detection  

resistor

Cutoff 
circuit

Cutoff circuit

Branch output 1

Branch output 2

Branch output 3

Branch output 4

Branch output 5

Branch output 7

Branch output 8

Voltage 

detection

Control 
circuits

Process- 

ing  

circuit 

Fuse: 
12 A

Noise 
filter

Rectifi-
cation

Inrush 
current 
limit

Harmonic  
current 
control

Smooth-
ing

Drive 
circuit

Voltage-ON 
detection

Rectification 
and smoothing

Rectification and 
smoothing

Communications between 
processing circuits (RS-232C)

Processing circuit 
(main processing)

Содержание S8AS

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

Страница 2: ......

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

Страница 4: ...iv...

Страница 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...

Страница 6: ...vi...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 144: ...126 Revision History...

Страница 145: ......

Страница 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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