Communications Installation

92

Wiring Guidelines

92

Ports 1 and 2

92

Ports 1 and 2: RS-232 RJ-11 Jack and RS-485 Locations

92

Port 1: RS-232 RJ-11 Jack

93

Port 2: RS-485

93

Configuring Communication Ports (Parameters)

94

Modbus Register Map

97

Word Order (R40,062)

98

Map ID (R40,063)

98

Product ID (R40,064)

99

Point Data (R41,010 – R41,031)

99

Totalizer (R41,040 – R41,043)

99

Input/Output (R41,070 – R41,143)

99

Discrete Inputs (R41,070)

100

Relay Outputs (R41,080)

100

mA Input (R41,090) [MR 200]

100

mA Output (R41,110-41,111)

100

Pump Control (R41,400 – R41,474)

100

Pump ON Setpoint (R41,420 – R41,425)

100

Pump OFF Setpoint (R41,430 – R41,435)

101

Pumped Volume (R41,440 – R41,443) [MR 200]

101

Pump Hours (R41,450 – R41,461)

101

Pump Starts (R41,470 – R41,475)

101

Parameter Access (R43,998 – R46,999)

102

Parameter Indexing

102

Indexing the Parameter Access Area

102

Reading Parameters

103

Global Index Method (P782 = 0)

103

Parameter Specific Index Method (P782 = 1)

103

Writing Parameters

104

Global Index Method (P782 = 0)

104

Parameter Specific Index Method (P782 = 1)

104

Format Words (R46,000 to R46,999)

105

Global Index Method (P782 = 0)

105

Parameter-Specific Index Method (P782 = 1)

105

Format Registers

105

Data Types

107

Numeric Values

107

Bit Values

107

Unsigned Double Precision Integer (UINT32)

107

Split Values

108

Text Messages

109

Relay Function Codes (P111 Only)

110

Error Handling

111

Modbus Responses

111

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Table of Contents

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