Instruction manual

MODBUS Protocol

MODBUS Parameters Supported

Thermo Fisher Scientific Model 5030i SHARP Instruction Manual C-11

91 & 92 EXT ALARMS

93 & 94 NEPH TEMP

95 & 96 NEPH RH

97 & 98 NEPH IRED

99 & 100 NEPH REF

101 & 102 BETA REF

103 & 104 NOT USED

105 & 106 COMMON FLAGS

107 & 108 BETA DETECTOR FLAGS

109 & 110 NOT USED

111 & 112 COMP MASS

113 & 114 NOT USED

115 & 116 AVG NEPH

IMPORTANT NOTE The addresses in the following tables are Protocol

Data Unit (PDU) addresses. Verify the coil number on your MODBUS

master to ensure that it matches the coil number on the instrument. ▲

Note Writing 1 to the coil number shown in the following table will

initiate the “action triggered” listed in the table. This state must be held for

at least 1 second to ensure the instrument detects the change and triggers

the appropriate action. ▲

Note The coils within each coil group in the following table are mutually

exclusive and will not be triggered if there is conflict. Before you assert (1)

one coil in a group, make sure the other coils in the group are de-asserted

(0). ▲

Table C–3. Write Coils for 5030i

Coil Number Action Triggered

100 INVALID

101 NOT USED

102 NOT USED

103 NOT USED

104 AOUTS TO ZERO

105 AOUTS TO FS