2.PMC SPECIFICATIONS B-63983EN/01
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2.1 SPECIFICATIONS
2.1.1 Basic Specifications
Table 2.1.1 (a) Basic specifications of the PMCs for the Series 30i/31i/32i-A
30i/31i/32i-A
Function
First PMC
Second PMC
(option)
Third PMC
(option)
Dual-check safety
PMC (Note 1)
Programming language Ladder Ladder Ladder Ladder
Number of ladder levels 3 3 3 2 (Note 11)
Level 1 execution period
(Note 2)
4 or 8 msec 4 or 8 msec 4 or 8 msec 4 or 8 msec
Processing power
• Basic instruction
processing speed
25 nsec/step 25 nsec/step 25 nsec/step 1 µsec/step
Program capacity (Note 3)
• Ladder Up to about 64,000
steps
Up to about 64,000
steps
Up to about 64,000
steps
Up to about 3,000
steps
• Symbol/comment At least 1 KB At least 1 KB At least 1 KB At least 1 KB
• Message At least 8 KB At least 8 KB At least 8 KB At least 8 KB
Instructions
• Basic instructions 14 14 14 14
• Functional instructions
(Note 4)
69 (83) 69 (83) 69 (83) 63 (83)
• Variable timers 250 pieces 40 pieces 40 pieces 40 pieces
• Fixed timers 500 pieces 100 pieces 100 pieces 100 pieces
• Variable counters 100 pieces 20 pieces 20 pieces 20 pieces
• Fixed counters 100 pieces 20 pieces 20 pieces 20 pieces
• DIFUs/DIFDs 1000 pieces 256 pieces 256 pieces 256 pieces
PMC memory
• Internal relay (R)
• User area 8,000 bytes 1,500 bytes 1,500 bytes 1,500 bytes
• System area 500 bytes 500 bytes 500 bytes 500 bytes
• Extra relay (E) 10,000 bytes (Note 5) 10,000 bytes (Note 5) 10,000 bytes (Note 5) -
• Message display (A)
• Display requests 2,000 points 2,000 points 2,000 points 2,000 points
• Status displays 2,000 points 2,000 points 2,000 points 2,000 points
• Nonvolatile memory
• Timer (T)
• Variable timer 500 bytes 80 bytes 80 bytes 80 bytes
• Variable timer
precision (Note 6)
500 bytes 80 bytes 80 bytes 80 bytes
• Counter (C)
• Variable counter 400 bytes 80 bytes 80 bytes 80 bytes
• Fixed counter 200 bytes 40 bytes 40 bytes 40 bytes
• Keep relay (K)
• User area 100 bytes 20 bytes 20 bytes 20 bytes
• System area 100 bytes 100 bytes 100 bytes 100 bytes
• Data table (D) 10,000 bytes 3,000 bytes 3,000 bytes 3,000 bytes