Endress+Hauser RMA 421 - Page 44

Contents Page
Safety hints 43
Installation, setting up and operating personnel 44
1. System description 44
2. Mechanical installation 45
2.1 Housing dimensions 45
3. Electrical connection 46
3.1 Terminal layout 46
3.2 Power supply connection 47
3.3 Loop power supply connection 47
3.4 Connecting external sensors 48
3.5 Connecting analogue output 52
3.6 Connecting alarm relays 52
4. Operating overview 53
4.1 Display and operating elements 53
4.2 Setting up using the operating menu 54
4.3 Operating menu overview 55
5. Operating parameter description 56
5.1 Analogue input 56
5.2 Display/measurement range 58
5.3 Analogue output 59
5.4 Alarm set points/fault monitoring 60
5.5 Operating parameters 64
5.6 Linearisation table 66
5.7 Service parameters 67
6. Applications 68
6.1 Set point monitoring 68
6.2 Deep well monitoring 69
6.3 Volume measurement in a storage tank 70
6.4 Temperature measurement in a furnace 72
7. Fault finding and repair 73
8. PC operating software 76
9. Technical data 76
10. Parameter list
English
Process transmitter
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