Eaton 93PM Installation Guide Page 58
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50 30-200 kW P-164000249
User's and Installation Guide Revision 2
4.6.2 Control signals overview
Two controls signals (External CAN Network, Bypass Pull-Chain) are required for external paralleling.
Both of these control signals are fault tolerant and alarmed when disconnected.
External CAN (ECAN)
ECAN provides means for communications between the UPS’s in a parallel system. The system will
continue to share load and protect the load when this network fails.
Bypass Pull-Chain
Bypass Pull-Chain is an open collector signal that goes low when the Bypass static switch of any UPS
is online. When External CAN (ECAN) is down, the pull-chain is low, and the UPS is online, the UPS
will lock to and transfer to bypass. Service can manually short this signal in some rare failure modes
to force a system transfer to bypass.
Signal Inputs Actions
Each UPS has maximum eight signal inputs, 5 native and one in each Mini-slot when using a suitable
connectivity device. These inputs can be configured with action items. The following action items
affect all UPSs in the system. When an action item is active on a UPS and the MOB is closed, the
action item is transmitted on the ECAN to all UPSs. All UPSs react in the same manner as if the action
item was active on that UPS.
Wiring EPO switch in parallel
It is recommended to use separate EPO circuit for each parallel unit.
4.6.3 Installing bypass control wiring
1. During the installation, follow all the safety instructions given in the 93PM User’s and
Installation Guide.
2. A 12-pin terminal block for external parallel control signals is accessible on the right side of the
communication interface, on the top section of the UPS. (See Figure 4-10: Communication
interfaces on page 50.)
3. The Phoenix Contact FRONT-MSTB 2,5/12-STF-5,08 plug component shall be used for cable
wiring termination.
1. External parallel connector
Figure 4-10: Communication interfaces
- Eaton 93PM UPS P-164000249 1
- 30-200 kW 1
- Eaton 93PM UPS 3
- Contents 5
- List of Figures 7
- List of Tables 8
- 1 Safety instructions 9
- 2 30-200 kW P-164000249 10
- 1.1 Audience 11
- 1.2 CE marking 11
- 1.3 User precautions 12
- 1.4 Environment 12
- P-164000249 30-200 kW 5 13
- 1.7 For more information 14
- P-164000249 30-200 kW 7 15
- 2 Introduction to Eaton UPS 16
- P-164000249 30-200 kW 9 17
- 10 30-200 kW P-164000249 18
- P-164000249 30-200 kW 11 19
- 12 30-200 kW P-164000249 20
- 2.2 UPS operating modes 21
- 14 30-200 kW P-164000249 22
- Internal relay contacts 22
- P-164000249 30-200 kW 15 23
- 2.2.3 Bypass mode 24
- 2.3 UPS features 25
- 2.3.2 Powerware Hot Sync 26
- 2.4.1 Customer interface 26
- 2.5 Options and accessories 27
- 20 30-200 kW P-164000249 28
- 1. Bypass Input Breaker (BIB) 29
- 2.6 Battery system 30
- P-164000249 30-200 kW 23 31
- 24 30-200 kW P-164000249 32
- 3.2 Site preparations 33
- 26 30-200 kW P-164000249 34
- P-164000249 30-200 kW 27 35
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- P-164000249 30-200 kW 35 43
- 4 UPS system installation 44
- P-164000249 30-200 kW 37 45
- 38 30-200 kW P-164000249 46
- Top cable access kit 47
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- P-164000249 30-200 kW 47 55
- 4.6.1 Power wiring overview 56
- P-164000249 30-200 kW 49 57
- 50 30-200 kW P-164000249 58
- P-164000249 30-200 kW 51 59
- 52 30-200 kW P-164000249 60
- 5 Communication interfaces 61
- 54 30-200 kW P-164000249 62
- P-164000249 30-200 kW 55 63
- 5.3 Signal input monitoring 64
- P-164000249 30-200 kW 57 65
- 6 UPS operating instructions 66
- P-164000249 30-200 kW 59 67
- 6.1.2 Status indicators 68
- 6.2 Steps to operate the UPS 69
- 6.3 Signing in 70
- STARTING 71
- 64 30-200 kW P-164000249 72
- P-164000249 30-200 kW 65 73
- 66 30-200 kW P-164000249 74
- 6.5 UPS control instructions 75
- 6.6 UPM control instructions 76
- P-164000249 30-200 kW 69 77
- 70 30-200 kW P-164000249 78
- Maintenance Bypass 78
- Switch (MBS) 78
- P-164000249 30-200 kW 71 79
- 7 UPS maintenance 80
- 7.2.1 DAILY maintenance 81
- 7.2.2 MONTHLY maintenance 81
- 7.2.3 PERIODIC maintenance 81
- 7.2.4 ANNUAL maintenance 82
- 7.2.5 BATTERY maintenance 82
- 7.4 Maintenance training 83
- 8 Technical data 84
- 8.2 UPS system input 85
- 8.3 UPS system output 85
- 8.4 Battery specification 86
- P-164000249 30-200 kW 79 87
- 80 30-200 kW P-164000249 88
- 9 Warranty 89
- 10 Installation checklist 90
- P-164000249 30-200 kW 83 91
- 11 APPENDIX A: User settings 92
- Setting Description 93
- Table 11-2: Config settings 93
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