AT600 User’s Manual 81
Chapter 5. Communication
D70 D70 3440 User
Digital Out 2 Frequency 
Measurement Type RW INT32
D72 3442 User
Digital Out 2 Test Frequency 
Value RW INT32
D74 3444 User
Digital Out 2 Frequency Error 
Handling RW INT32
D76 3446 User
Digital Out 2 Frequency Error 
Handling Value RW INT32
D78 3448 User
Digital Out 2 Frequency Full 
Frequency RW INT32
D80 D80 3456 User
Digital Out 1 Alarm 
Measurement Type RW INT32
D82 3458 User
Digital Out 1 Alarm Test 
Value RW INT32
D84 3460 User Digital Out 1 Alarm State RW INT32
D86 3462 User Digital Out 1 Alarm Type RW INT32
D90 D90 3472 User
Digital Out 2 Alarm 
Measurement Type RW INT32
D92 3474 User
Digital Out 2 Alarm Test 
Value RW INT32
D94 3476 User Digital Out 2 Alarm State RW INT32
D96 3478 User Digital Out 2 Alarm Type RW INT32
E00 E00 3584 RO
Analog Out Measurement 
Value RO (IEEE 32 bit)
E02 3586 RO
Digital Out 1 Pulse 
Measurement Value RO (IEEE 32 bit)
E04 3588 RO
Digital Out 1 Frequency 
Measurement Value RO (IEEE 32 bit)
E06 3590 RO
Digital Out 1 Alarm 
Measurement Value RO (IEEE 32 bit)
E08 3592 RO
Digital Out 2 Pulse 
Measurement Value RO (IEEE 32 bit)
E0A 3594 RO
Digital Out 2 Frequency 
Measurement Value RO (IEEE 32 bit)
E0C 3596 RO
Digital Out 2 Alarm 
Measurement Value RO (IEEE 32 bit)
1100 1100 4352 Viewer HART meter address RW INT32
1102 4354 Viewer HART preamble length RW INT32
1104 4356 Viewer HART device ID RW INT32
Table 5: MODBUS Map (cont.)
Register 
(in Hex)
Register (in 
Decimal) Access Level Description RO/RW Format