Appendix
A.3 MODBUS
SENTRON PAC4200
256 System Manual, 09/2009, A5E02316180B-02
Offset Number of
registers
Name Format Unit Value range Access
0 = IEC
50049 2 Phase labels IEC/UL Unsigned long -
1 = US
RW
0 = DI
1 = DO
2 = Limit logic
3 = Limit 0
4 = Limit 1
5 = Limit 2
6 = Limit 3
7 = Limit 4
8 = Limit 5
9 = Limit 6
10 = Limit 7
11 = Limit 8
12 = Limit 9
13 = Limit 10
50051 2 Universal counter 1 source Unsigned long -
14 = Limit 11
RW
50053 2 Display Refresh Cycle Unsigned long ms 330 ... 3000 RW
50055 2 Display Contrast Unsigned long - 0 ... 10 RW
50057 2 Display Backlight Level Unsigned long % 0 ... 3 RW
50059 2 Display Backlight Dimmed Unsigned long % 0 ... 3 RW
50061 2 Display Time Until Dimmed Unsigned long min 0 ... 99 RW
0 = OFF 50063 2 Limit 0 ON / OFF Unsigned long -
1 = ON
RW
50065 2 Limit 0 Hysteresis Float & 0.0 ... 20.0 RW
50067 2 Limit 0 Pickup Delay Unsigned long s 0 ... 10 RW
50071 2 Limit 0 Source Unsigned long - 0 ... 241
2)
RW
50073 2 Limit 0 Value Float - - RW
0 = Greater than 50075 2 Limit 0 Mode ≥/< Unsigned long -
1 = Lower than
RW
0 = OFF 50077 2 Limit 1 ON / OFF Unsigned long -
1 = ON
RW
50079 2 Limit 1 Hysteresis Float % 0.0 ... 20.0 RW
50081 2 Limit 1 Pickup Delay Unsigned long s 0 ... 10 RW
50085 2 Limit 1 Source Unsigned long - 0 ... 241
2)
RW
50087 2 Limit 1 Value Float - - RW
0 = Greater than 50089 2 Limit 1 Mode ≥/< Unsigned long -
1 = Lower than
RW
0 = OFF 50091 2 Limit 2 ON / OFF Unsigned long -
1 = ON
RW
50093 2 Limit 2 Hysteresis Float % 0.0 ... 20.0 RW