Tripp Lite SU60KX manual RS232 Port, Communication Circuit for Slots

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2 Theory of Operation (continued)

2.15 Communication Circuit for Slots

RR26

5VS

#TX_232

QR4

RR33 G

RR37

1 2

3

D 4

S

G1 CR27

+12VSF

CR21G4

232_RX

UR15	7 8	RR31
UR15	6	RR31
		+12VSF

5 -12VSF RR118

5VS	RR38
	+12VSF

		5
	G4	9
	G4	4
		8
	232_TX	3
	232_TX	7
		7

G1	8 7
RR43	6
5VS
	5

#RX_232 G1

1
UR20	2	232_TX
	2

	3	RR44
	D
4	QR5	G
		G
	S	RR47

	232_RX	2
	232_RX	6
		6
		1

CNR6

RS232 Port

G4

Located on NH-SYS-R board (Circuit for RS232, Output Dry Contact, Parallel Port, Connector to connect with each Power Module, Circuit for 2 Slots)

RR51

5VS

#TX Slot1

QR6

RR58 G

RR65

RR67

5VS

#RX_Slot1

+12VSF

CR36G4

	1	UR25	7 8	SLOT1 RX
	1		7 8	RR55
	2		6	RR55
				+12VSF
	3		5	-12VSF
	D			-12VSF
	D			RR121
	4			RR121
	S			RR66
	G1 CR42		5VS	RR66
	G1 CR42		5VS	+12VSF

G1	8 7	1
	6	UR29	2	SLOT1 TX
	6		2

	5		3	RR69
G1			D
G1		4	QR8	G
				G
			S	RR73

	To Slot 1
	CNR2		+12VSF
G4	1	2	CR3
SLOT1 TX	3	4	SLOT1 RX
	5	6	CR5
	7	8	CR5
	7	8
	9	10
			G4

RR76

5VS

#TX_Slot2

QR9

RR80 G

RR84

RR87

5VS

#RX_Slot2

	G4
+12VSF	CR52G4

	1	UR34	7 8	SLOT2_RX
	1		7 8	RR77
	2		6	RR77
				+12VSF
	3		5	-12VSF
	D			-12VSF
	D			RR123
	4			RR123
	4
	S			RR85
	G1 CR59		5VS	RR85
	G1 CR59		5VS	+12VSF

G1	8 7	1
	6	UR38	2	SLOT2_TX
	6		2

	5		3	RR93
G1			D
G1		4	QR10	G
				G
			S	RR95

G4

SLOT2_TX

	To Slot 2
	CNR7		+12VSF
	1	2	CR11
	3	4	SLOT2_RX
	5	6	CR13
	7	8	CR13
	7	8
	9	10
			G4

G4

Located on NH-SYS-M board (System MCU and Control Circuit)

(117)	TX_Slot1	RM115
(117)	TX_Slot1	#TX_Slot1
		CM66
(118)	RX_Slot1	RM120 G1
(118)	RX_Slot1	#RX_Slot1
		CM71
		G1

(122)TX_Slot2

(121)RX_Slot2

RM125

#TX_Slot2

CM84

RM131 G1

#RX_Slot2

CM89

G1

(a)System MCU communicates with Slot 1 via TX_Slot1 (117) and RX_Slot1 (118).

(b)System MCU communicates with Slot2 via TX_Slot2 (122) and RX_Slot2 (121).

62

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Contents Th Street, Chicago, IL 60609 USA Table of Contents KX Models Basic OperationTechnical Speciﬁcations KTV Models SU40K SU60K SU60KTV SU80KTVSU80K Model Model Capacity SU80K 80kVA/64kWControl Panel Features FeaturesAdvanced Features Front and Rear Panel Features 3a SU40KX front3b SU40KX rear 3c SU40K front 3d SU40K rear 3e SU80K front 3f SU80K rear System Layout Internal Battery LayoutOperating Principles Opening and Closing the Unit Power Module Layout3a Power Module Block Diagram Online Normal Mode Single UPS Battery Backup Mode Single UPSAuto Bypass Mode Single UPS Manual Bypass Mode Single UPSAuto Bypass Mode Parallel UPS Online Mode Parallel UPSBattery Backup Mode Parallel UPS Manual Bypass Mode Parallel UPS Hot Standby Mode Parallel UPSControl Panel and Breaker Diagrams Normal LED Battery LED Bypass LED Fault LEDPreliminary Checklist Single UPS Standard Start-Up Procedure Single UPSBattery Start-Up Procedure Single UPS Manual Bypass Procedure Single UPS Shutdown Procedure Single UPSPreliminary Checklist Parallel UPS Start-Up Procedure Parallel UPSShutdown Procedure Parallel UPS Manual Bypass Procedure Parallel UPS Switching from Manual Bypass to Normal Mode Parallel UPS Printed Circuit Boards PCB SU80KX SU60KX SU40KX SU80KTV SU20KXPCB Location System F3 FB M LA, LB, LC, LD Models LA, LB, LC LA, LB, LC, LD F1BYP F1MAIN F2BYP F2MAIN LCD PCB Location Power Module PCB Board Name DescriptionBlock and Wiring Diagrams 1a SU20KX Block Diagram1c SU40KX Block Diagram KX ModelsTheory of Operation DC Auxiliary Power CircuitAuxiliary Power Failure Detection Output Current Detection W18Input Voltage Detection Located at NH-SYS-M board System MCU and Control CircuitOutput Voltage Detection Located at NH-SYS-M board System MCU and Control CircuitBattery Voltage Detection UP10BBypass SCR Short-Circuit Detection Scrst RBypass SCR Driver TSA1Watchdog for System MCU LCD Panel Control Circuit To LCDFan Control Circuit Located on NH-SYS-M board System MCU and Control CircuitBypass SCR Temperature Detection Communication Circuit for RS232RS232 Port Communication Circuit for SlotsCommunication Circuit for Output Dry Contact Output DRY ContactCommunication Circuit for Input Dry Contact and Repo Input DRY ContactExternal Battery Cabinet Temperature Detection EXTBTEMP1Detection Circuit for Manual Bypass Switch Detection Circuit for Output BreakerControl Circuit for Power Module CentralokTo PM1 to PM2 CM93 CM106 CM109 Control Circuit for External ParallelTheory of Operation Emergency Power Off EPO Communication01 RS232 Port 02a Front Control Panel02c Remote Emergency Power Off Repo02b Setting Eeprom on the NH-M Board Polling and Updating EepromCalibrating Eeprom Gain Setting Output Dry Contact Status Upgrading Firmware for the System Board Output Manual Bypass Main Input N C S T G R G I N G R a D E Communication Upgrading Firmware for the Power Module PM1 U P S T G R G I N Link the UPS to a PC via the RS232 port Communication Communication Communication T I N G L O W E D Downloading the Event Log Front View of SU20KX and SU40KX Internal BatteryBattery Strings Installing and Removing Internal Batteries Terminals Battery compartment. Warning Observe proper polarity by Connecting negative to negative black to black and positiveDamage the UPS system and create a serious risk of personal Injury and property damageBattery Cabinet 2a BP480V26B 2b BP480V40CInternal Battery 2d W1 and W2 Cables 2e Connection between UPS and Battery Cabinet2f Wiring between UPS and Battery Cabinet 1a Warning Message List TroubleshootingAlarm Messages 1b Power Module Warning Message List ConditionTroubleshooting Flow Charts Main VOLT/FREQ NOKMain Sequence NOK Bypass VOLT/FREQ NOK Bypass Static Switch Over Temperature Bypass Sequence NOKBypass Static Switch Fault Bypass Static Switch OverloadSame fault message? Replace the power module UPS Internal Comm Abnormal10a Battery Test FailBattery Over Charge Battery BAD 11a 11bBypass FAN Failure 12a 12b 12cTransformer Overheat 13a 13bPS Output Volt NOK 14a 14bPS EXT Parallel Comm Abnormal 15a 15bParallel Failure 16a 16bRedundancy Loss 17aPower Module Failure Power Module Identify115 116 Power Module Replacement AC Input DC Input Output 119 120 Preventive Maintenance Safety OverviewUPS Procedure Suggested tools and suppliesInternal Battery Procedure Appendix a Service Equipment and Tools Recommended Equipment and ToolsSoftware Tools Multi-Meter OscilloscopeAppendix B Torque Table KX ModelsTable B.1 Fig B.aTable B.3 ModelsTable B.2 Fig B.b Fig B.c Fig B.d KTV ModelsTable B.4 NH-SYS-R Board Appendix C PCB and Test PointNH-SYS-P Board