Flowserve Limitorque Master Station III - Manual (Page 53)

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Limitorque Master Station III FCD LMENIM5001-02 – 12/13
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50 1 Register Address Lo 50 Register Address Lo (Register 45201; MOV101)
05 Force Data Hi 05 Force Data Hi
00 2 Force Data Lo 00 Force Data Lo
8F7B Error Check (CRC) 8F7B Error Check (CRC)
NOTE 1: 1450h equals register address 45201 (field unit 101 command register)
NOTE 2: 0500h requests the register to be preset with 1280d (Start Network ESD)
Example of a two-command write to a single register
“Move-To” Command. Move an actuator at address 45 to 42% open by first writing the value of 42 to
register 45090. After receiving a response, write the value of 6656 to register 45089. The actuator will
then move to a position of 42% open. First Command:
Query: 010613E2002AACA7
Response: 010613E2002AACA7
Table 8.9 - Function Code -06 Second Command Message Breakdown
Query Response
01 MSIII Unit Address 01 MSIII Unit Address
06 Function 06 Function
13 Register Address Hi 13 Register Address Hi (Register 45090; MOV45)
E2 1 Register Address Lo E2 Register Address Lo (Register 45090; MOV45)
00 Force Data Hi 00 Force Data Hi
2A 2 Force Data Lo 2A Force Data Lo
ACA7 Error Check (CRC) ACA7 Error Check (CRC)
NOTE 1: 13E2h equals register address 45090 (field unit 45 argument register)
NOTE 2: 002Ah equals 42d
Second Command:
Query: 010613E11A00D618
Response: 010613E11A00D618
Table 8.10 - Function Code -06 Message Breakdown
Query Response
01 MSIII Unit Address 01 MSIII Unit Address
06 Function 06 Function
13 Register Address Hi 13 Register Address Hi (Register 45089; MOV45)
E2 1 Register Address Lo E2 Register Address Lo (Register 45089; MOV45)
1A Force Data Hi 1A Force Data Hi
00 2 Force Data Lo 00 Force Data Lo
D618 Error Check (CRC) D618 Error Check (CRC)
NOTE 1: 13E1h equals register address 45089 (field unit 45 command register)
NOTE 2: 1A00h equals 6656d
Example of multiple register write command
Write the command to close an actuator to field units 50, 51, and 52. This corresponds to writing the
value 768 into command registers 45050, 45051, and 45052.
Query: 011013B90003060300030003006ABB
Response: 011003B900035569