Rice Lake CB-2 Concrete Batch Controller Version 1.0 - Manual (Page 19)

Installation 15
Watch for the low battery warning on the LCD display and periodically check the battery voltage on both the
CPU board and on any installed memory option cards. Batteries should be replaced when the indicator low
battery warning comes on, or when battery voltage falls to 2.2 VDC. Life expectancy of the battery is ten years.
See Figure 2-7 on page 10 for CPU board battery location and orientation (positive side up).
Risk of explosion if battery is replaced with incorrect type. Dispose of batteries per manufacturer instruction.
2.7 Replacement Parts
Table 2-10 lists replacement parts for the CB-2 automated concrete batching system.
2.7.1 Option Cards
Table 2-11 lists the available option 920i option cards that are used in the CB-2 automated concrete batching
system. Any of the listed option cards can be installed in Slot 1 or Slot 2 of the CPU board or in any available slot
of an attached expansion board.
PN Description
88792 Power supply, 12V (1)
67609 Memory module 1MB (1)
67612 Board assembly, CPU for 920i (1)
93536 Totalizing counters (7)
42467 Relays, 120V models
96008 Relays, 220V models
89198 CB-2 switch board assembly (4)
93540 CB-2 switch board assembly (2)
67608 Expansion board, digital I/O (1)
71462 Fuse, 3.15amp
52315 Relay mounting board (1)
67614 LCD, fluorescent display (1)
67869 920i interface board (1)
52318 Relay, input module, 12V
52319 Relay, Input module, 220V model
52316 Relay, output module, 12V
52317 Relay, output module, 220V model
89199 Breakout board assembly
69781 iRev CD
Option Card Rice Lake Part Number
Single Channel A/D Card 68532
Dual Channel A/D Card 67611
1 MB NV RAM Memory Expansion Card 67609
920i Main Board for the CB-2 67612
7ARNING
Table 2-11. Part Numbers for 920i Option Cards
Table 2-10. CB-2 Replacement Parts