APPENDIX A-7: MODBUS Register Map Teledyne API - T300/T300M and M300E/EM PN 04906H (DCN5840)
A-38
MODBUS
Register Address
(dec., 0-based)
Description Units
MODBUS Coil Registers
(single-bit; read/write)
0 Maps to relay output signal 36 (MB_RELAY_36 in signal I/O list)
1 Maps to relay output signal 37 (MB_RELAY_37 in signal I/O list)
2 Maps to relay output signal 38 (MB_RELAY_38 in signal I/O list)
3 Maps to relay output signal 39 (MB_RELAY_39 in signal I/O list)
20 4 Triggers zero calibration of range #1 (on enters cal.; off exits cal.)
21 4 Triggers span calibration of range #1 (on enters cal.; off exits cal.)
22 4 Triggers zero calibration of range #2 (on enters cal.; off exits cal.)
23 4 Triggers span calibration of range #2 (on enters cal.; off exits cal.)
1 Optional
2 O
2 option
3 CO2 option
4 Set DYN_ZERO or DYN_SP AN variables to ON to enable calculating new slope or offset. Otherwise a calibration check
is performed.
06864B DCN6314