Schweitzer Engineering Laboratories SEL-734, Instruction Manual

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F.11
Date Code 20090730 Instruction Manual SEL-734 Meter
Modbus RTU Communications Protocol
Modbus RTU Communications Protocol
LONG10 LONG with scale factor of 10 (divide by 10 to obtain value) 0x80000000
LONG100 LONG with scale factor of 100 (divide by 100 to obtain value) 0x80000000
LONG1000 LONG with scale factor of 1000 (divide by 1000 to obtain value) 0x80000000
BITMAP A bitmapped value
ENUM An enumerated value
STRING A null terminated ASCII string
Table F.23 Modbus Register Map (Sheet 1 of 19)
Address Field Notes Min Max Conversion
Product Information
0–19 0000–0013 FID SEL FID String STRING
20–30 0014–001E MID Meter ID String.
Write enabled aver valid
password entry. See
Modbus
Password Control and
Parameter Modification on
page F.9
.
STRING
31–41 001F–0029 TID Terminal ID string.
Write enabled after valid
password entry. See
Modbus
Password Control and
Parameter Modification on
page F.9
.
STRING
42–46 002A–002E Password Readable once valid pass-
word is written. Returns 0 if
valid password is not writ-
ten. See
Modbus Password
Control and Parameter
Modification on page F.9
.
STRING
47–49 002F–0031 Reserved UINT
Load Profile—See Note 1
50 0032 Meter Form 0 = Form 9, 1 = Form 5 ENUM
136–137 0088–0089 CTR Scaled by 10,000 1.0000 6000 LONG
138–139 008A–008B CTRN Scaled by 10,000 1.0000 10000 LONG
140–141 008C–008D PTR Scaled by 10,000 1.0000 10000 LONG
142–175 008E–00AF Reserved
Control I/O Commands Write 0x0001 to perform operation. Read returns Reserved.
176 00B0 Drop Access level
177 00B1 Save Settings See Modbus Password Con-
trol and Parameter Modifi-
cation on page F.9
178 00B2 Discard
Settings Changes
See Modbus Password Con-
trol and Parameter Modifi-
cation on page F.9
179 00B3 Reset Communication Counters
Table F.22 Modbus Conversion (Sheet 2 of 2)
Conversion Description
Reserved
Value
Courtesy of NationalSwitchgear.com