Chapter 1—Introduction
5
Upgrading Existing Memory upgrade kits are available for field installation by a qualified
Circuit Monitors electrician. No special tools are required.
Table 1-5
Memory Upgrade Kit Part Numbers
Part Number Description
3020 CM-MEM-512K 512K Memory Upgrade Kit for Series 2000 Circuit Monitors
3020 CM-MEM-1024K 1024K Memory Upgrade Kit for Series 2000 Circuit Monitors
For Series G3 and earlier circuit monitors, the memory upgrade kit can be
installed only in circuit monitor models CM-2350 and CM-2450.
Note: Model CM-2452 was factory-equipped with 100K of memory and a 256K
memory expansion card, for a total of 356K of memory. The 256K card can be
removed and replaced with a 512K or 1024K expansion card, for total memory of
either 612K or 1124K.
The memory upgrade kit can be installed in Series G4 models CM-2150 and
higher. Memory upgrade kits are available with either the 512k or 1024k
memory card (see table 1-5). No special tools are required for installation.
Table 1-6
Series 2000 Circuit Monitor Memory Options
Total Memory Capacity
Model Number Series G3 or Earlier Series G4 or Later
Standard 512K Expansion 1024K Expansion Standard 512K Expansion 1024K Expansion
CM-2050 N/A N/A N/A N/A N/A N/A
CM-2150 11K N/A N/A 100K 612K 1124K
CM-2250 11K N/A N/A 100K 612K 1124K
CM-2350 100K 612K 1124K 100K 612K 1124K
CM-2450 100K 612K 1124K 100K 612K 1124K
CM-2452 356K 612K ➀ 1124K ➀ Obsolete
Memory Options Summary Table 1-6 summarizes the memory options now available for Series 2000
Circuit Monitors. To obtain price and availability on circuit monitors with
expanded memory and circuit monitor memory upgrade kits, contact your
local sales representative.
Only qualified electrical workers should install a memory upgrade kit
in a circuit monitor. Perform the upgrade only after reading the
installation instructions shipped with the upgrade kit. Before remov-
ing the cover of the circuit monitor to install the memory board:
• Disconnect all voltage inputs to the circuit monitor
• Short the CT secondaries
• De-energize the control power inputs
Failure to observe this precaution will result in death or
serious injury.
HAZARD OF ELECTRIC SHOCK, BURN, OR EXPLOSION
DANGER
!
➀ CM-2452 256K memory expansion card removed and replaced with 512K or 1024K memory expansion card.
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