Instruction Manual

8.1.3 Continued
b. Accuracy
Weighing: The scale weighing accuracy can be determined by applying
various known weights to the platform. Because of the scale's very high
accuracy, only weights that are certifiably more accurate than the scale's
specifications should be used in testing for accuracy. (NBS class "F" or
higher)
Since the scale owner does not normally have such certifiable weights
available to him, it is suggested that the customer call their authorized
DIGI dealer.
8.2. Service & Repair
No service or repair should be attempted except by qualified personnel,
and not until it has been positively determined that the weighing
scale requires such service. All service should be done in a clean,
dry, dust-proof area.
L/C Connector
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Wht Yel Grn Red Shld Rs + Rs -
- Ex - Sig +Sig +Ex Shld +Sen - Sen
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DI-28SS SERIES OPERATING MANUAL
SECTION
INDEX PAGE NUMBER
1.0. GENERAL 2
1.1. Description 2
1.2. Warranty 3
2.0. SPECIFICATIONS 4
2.1. Platforms & Capacities 4
2.2. Technical 5
3.0. INSTALLATION 6
3.1. Unpacking 6
3.2. Inspection 6
3.3. Repackaging 6
4.0. ELECTRICAL TEST 7
4.1. Set-Up Procedure 7
4.2. Keyboard & Display Test 7
4.3. Control Panel 8
4.3.1. Lamps 8
4.3.2. Keys 8
5.0. OPERATION PROCEDURE 9
5.1. Power On 9
5.2. Tare Subtraction 9
5.2.1. One Touch Tare 9
5.2.2. Digital Tare 9
5.3. Battery Life Check 10
5.4. Set Point Value Entry 11
5.5. Changing Weight Units 12
6.0. PROGRAMMING 13
6.1. DI-28SS Key Function Summery 13
6.2. Internal Count 14
6.3. Set Up And Calibration 15
6.4. Specification List 16-17
6.5. Span Adjustment 18-19
6.6. Span Enable Switch 20
7.0. DI-20 OPTIONS 21
7.1. Battery Option 21
7.2. Set Point Output, & Setpoint Wiring 21-22
7.3. RS-232, RS-232 Wiring 21
RS-232 Communication protocols 22-30
8.0. MAINTENANCE, CALIBRATION, TEST
PROCEDURE, SERVICE
31
8.1. Maintenance Procedures 31
8.2. Service & Repair
32
8.3. Load Cell Wiring 33
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