EntelliGuard®TU Trip Unit
Appendix 1 – Communications Parameters 09/25/08
32 © 2008 General Electric All Rights Reserved
Register Variable Value Read/Write
8–UVR, Over Current
9–UVR, Protective Relay
10–Over Current, Protective Relay
11–Shunt Trip, UVR, Over Current
12–Shunt, UVR, Protective Relay
13–Shunt, Over Current, Protective Relay
14–UVR, Over Current, Protective Relay
15–Shunt, UVR, Over Current, Protective Relay
302 ZSI Short Time Delay Band 1–Band1
2–Band2
…
16–Band 16
17–Band 17
Read/Write
303 ZSI Short Time Slope 0–No slope
1
2
3
Read/Write
304 ZSI GF Trip Delay 1–Band1
2–Band2
…
16–Band 16
17–Band 17
Read/Write
305 ZSI GF Trip Slope 0–no slope
1
2
3
Read/Write
306 ZSI GF Trip Slope 1–CLOSE. 0–OPEN Read/Write
307 Waveform Trigger Source–Manual 0–Disable, 1–Enable Read/Write
308 Waveform Trigger Source–
Over Current
0–Disable, 1–Enable Read/Write
309 Waveform Trigger Source–Protection
Relays
0–Disable, 1–Enable Read/Write
310 Waveform Trigger Source–Current
Alarm 1
1–Disable, 0–Enable Read/Write
311 Waveform Trigger Source–Current
Alarm 2
1–Disable, 0–Enable Read/Write
312 Reduced Instantaneous Let–Through
(RELT)
0–OFF, 1–ON, 2–REMOTE Read/Write
Table 24: Communication Parameters – Modbus Function 4
Register Variable Value Read/Write
16 GTU Rev 8 bit Read
17 Software Rev 8 bit Read
18 Voltage Phase A 16 bit Read
19 Voltage Phase B 16 bit Read
20 Voltage Phase C 16 bit Read
21 Current Phase A(LO 16 bits ) 32 bit Read
22 Current Phase A(HI 16 bits ) – Read
23 Current Phase B(LO 16 bits ) 32 bit Read
24 Current Phase B(HI 16 bits ) – Read
25 Current Phase C(LO 16 bits ) 32 bit Read
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