Ametek i Series User Manual Page 123
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- Table of contents
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User Manual
i Series / iX Series 109
There are six LED indicators on the logic board. Their positions are shown in Figure 5-4. The
LED functions are listed in Table 5-1.
Table 5-1: Logic Board LED’s
LED#
FUNCTION
COMMENTS
DS2
+15V
+15V logic supply
DS3
-15V
-15V logic supply
DS4
+8V
+8V oscillator supply
DS7
+24V
+24V supply for relays and logic.
DS5
PARALLEL
LED should be lit when units are paralleled and K1 is closed.
DS1
FAULT
LED is lit - unit normal. No light indicates pwr. stage failed
5.8 AC Power Board
The AC power assembly takes a 250V/500V DC input and generates a 150V/300V AC direct
coupled output. The AC power amplifier is a full bridge inverter with three paralleled IGBT‟s in
each leg for a total of twelve IGBT‟s. The switching frequency of the bridge is 37.5 kHz and this
frequency is smoothed out by two inductors that are mounted behind the input/output board and
several smoothing capacitors on the AC power board to provide a precision low frequency (16-
500 Hz) output. (See Figure 5-3 and Figure 5-5)
Three isolated 18V supplies provide power for the gate drives. The 18V is regulated down to
15V by three TO220 regulators that are mounted on three discrete sheet metal heat sinks. If the
15V is in regulation, an LED will be lit in front of each heat sink. There is a red, a green and an
orange LED, one for each supply. The other four green LED‟s will be lit when there is gate drive
present at the IGBT‟s. If the green LED‟s are not lit there will be no gate drive and hence no
output.
5.9 Input/Output Board
The input/output board holds a lot of the large components and provides interconnection
between the AC input, the DC-DC board, the AC power board and the output without the use of
heavy cables. The output relay and the output current metering circuit are also mounted on this
board. The output AC inductors, the DC-DC transformer and the DC output choke are mounted
on brackets behind the input/output board. These brackets also provide support for the
input/output board.
- AC Power Source 1
- User Manual 1
- SAFETY SYMBOLS 7
- 1. Introduction 15
- 2. Specifications 16
- 2.2 Mechanical 24
- 2.3 Environmental 24
- 2.4 Regulatory 26
- 2.5 Front Panel Controls 26
- 3.1 Unpacking 29
- 3.2 Power Requirements 29
- 3.3 Mechanical Installation 30
- 3.4 Input Wiring – TB1 30
- 3.6 Connectors - Rear Panel 32
- Description 33
- Centronics 36
- Connector 36
- > 400 uS 36
- 24 i Series / iX Series 38
- 3.8 Output Voltage Ranges 40
- 3.9 Functional Test 41
- 28 i Series / iX Series 42
- 30 i Series / iX Series 44
- 34 i Series / iX Series 48
- 4. Front Panel Operation 51
- FUNCTION 53
- 4.2 Menu Structure 56
- 44 i Series / iX Series 58
- 4.2.2 Overview of Menu 1 58
- 4.3 Output Programming 91
- 4.5 Standard Measurements 97
- 4.7 Transient Programming 108
- 5. Principle of Operation 115
- 5.2 Overall Description 116
- 5.3 Oscillator Assembly 116
- 104 i Series / iX Series 118
- 5.4 Current Limit Board 119
- 5.5 Auxiliary Power Supply 119
- 5.6 DC-DC Power Converter 120
- 5.7 AC Control Logic 120
- 108 i Series / iX Series 122
- 5.8 AC Power Board 123
- 5.9 Input/Output Board 123
- 110 i Series / iX Series 124
- CAUTION 126
- 6. Calibration 127
- 118 i Series / iX Series 132
- 6.6 Non-Routine Calibration 134
- 124 i Series / iX Series 138
- 7. Service 139
- 9. Options 147
- 138 i Series / iX Series 152
- Refer to 157
- 158 i Series / iX Series 172
- 9.1.2.8 160 Test Selection 172
- 164 i Series / iX Series 178
- 168 i Series / iX Series 182
- 170 i Series / iX Series 184
- 172 i Series / iX Series 186
- 174 i Series / iX Series 188
- 176 i Series / iX Series 190
- 178 i Series / iX Series 192
- 9.2 IEC 61000-4-11 Option 194
- 9.3 IEC 61000-4-13 Option 201
- 196 i Series / iX Series 210
- 9.4 EOS Option 213
- 206 i Series / iX Series 220
- 208 i Series / iX Series 222
- Figure 9-39: 15003iX/3-EOS3 222
- 9.5 Mode iX Option 228
- 218 i Series / iX Series 232
- 9.6 Omni Options 236
- 226 i Series / iX Series 240
- 228 i Series / iX Series 242
- Power Switch and Lamp 244
- 80-250V SYNC INPUT FROM iX 250
- SOURCE INPUT,OR 250
- OTHER AC LINE VOLTAGE 250
- 9.8.2.8 704 Test Selection 273
- 260 i Series / iX Series 274
- 262 i Series / iX Series 276
- 266 i Series / iX Series 280
- 268 i Series / iX Series 282
- 270 i Series / iX Series 284
- 272 i Series / iX Series 286
- 274 i Series / iX Series 288
- 276 i Series / iX Series 290
- 278 i Series / iX Series 292
- 280 i Series / iX Series 294
- 282 i Series / iX Series 296
- 284 i Series / iX Series 298
- 286 i Series / iX Series 300
- 9.9.7 ABD Test Selection 309
- 296 i Series / iX Series 310
- 298 i Series / iX Series 312
- 302 i Series / iX Series 316
- Controls 319
- 308 i Series / iX Series 322
- 310 i Series / iX Series 324
- 312 i Series / iX Series 326
- 314 i Series / iX Series 328
- 9.10 WHM Option 331
- 10. Error Messages 334
- 322 i Series / iX Series 336
- 324 i Series / iX Series 338
- Table 10-1: Error Messages 338
- 11. Index 339
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