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Models
Memory Capacity and
Number of Screens
Note The table above is strictly a guide. If the messages or other display data per
1-4-3
System ROM
NT600M
Host I/F Unit
NT600M-LK201 (RS-232C) (see note 1)
NT600M-LK202 (RS-422A)
NT600M-LK201 (Host Link) (see note 1)
NT600M-RT201 (SYSMAC BUS)
NT600M-LB122-V1 (C200H) (see note 1)
NT600M-LK201 (see note 1) (Host Link)
NT600M-LB122-V1 (C200H) (see note 2)
If an equivalent is not used, the capacity of the memory backup battery may
not be sufficient.
Type
Memory
capacity
SRAM
32K bytes
RAM22-15
128K bytes
RAM13-10
EPROM
64K bytes
ROM-KD-B
128K bytes
ROM13-12B
256K bytes
ROM23-15B
EEPROM
32K bytes
EER22-20
Screen memory capacity varies according to which Screen Data Memory
Board is installed. The screen memory capacity, in turn, determines the num-
ber of screens that can be registered. Use the table below as a guide to se-
lect the amount of memory suitable for your needs.
Screen memory capacity
32K bytes
64K bytes
128K bytes
256K bytes
screen increase, the number of screens that can be registered will decrease.
Likewise, if the messages decrease, the number of screens that can be reg-
istered will increase.
Purchase the System ROM according to the NT600M and Host Interface Unit
models that are used.
NT600M-DT122/211
NT600M-DN122/211
NT600M-DF122
NT600M-SMR01-EV1
NT600M-SMR02-EV1
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Model
Recommended memory chips
HM62256ALP-15 (Hitachi).
HM628128LP-10 (Hitachi).
M5M27C512AK-12 (Mitsubishi)
HN27C101AG-12 (Hitachi).
M5M27C201K-15 (Mitsubishi)
HN58C256P-20 (Hitachi).
Number of registered screens
Mostly messages: 40 screens
Mostly graphics: 15 screens
Mostly messages: 120 screens
Mostly graphics: 40 screens
Mostly messages: 250 screens
Mostly graphics: 100 screens
Mostly messages: 600 screens
Mostly graphics: 200 screens
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NT600M-SMR31-E (Direct connection
can be used when version 4 of the
Support Tool is used.)
NT600M-SMR32-E (Direct connection
can be used when version 4 of the
Support Tool is used.)
Section 1-4
NT600M-DT122
NT600M-DT211
7
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