Chapter 16 PLC Function ApplicationsC2000 Plus 
 
16-33
16-5-3  Introduction to special register functions (special D) 
Special D  Description of Function  R/W * 
D1000 -- 
-- 
D1001  Device system program version  RO 
D1002 Program capacity   RO 
D1003  Total program memory content    RO 
D1004 
– 
D1009 
-- 
-- 
D1010  Current scan time (units: 0.1 ms)  RO 
D1011  Minimum scan time (units: 0.1 ms)  RO 
D1012  Maximum scan time (units: 0.1 ms)  RO 
D1013 
– 
D1017 
-- 
-- 
D1018  Current integral value    RO 
D1019  Compulsory setting of PID I integral  RW 
D1020  Output frequency (0.000–600.00Hz)  RO 
D1021  Output current (####.#A)  RO 
D1022 
AI AO DI DO Expansion card number 
0: No expansion card   
4: AC input card (6 in) (EMC-D611A) 
5: Digital I/O Card (4 in 2 out ) (EMC-D42A) 
6: Relay card (6 out) (EMC-R6AA) 
11: Analog I/O Card (2 in 2 out) (EMC-A22A) 
RO 
D1023 
Communication expansion card number 
0: No expansion card   
1: DeviceNet Slave (CMC-DN01) 
2: Profibus-DP Slave (CMC-PD01) 
3: CANopen Slave (EMC-COP01) 
5: EtherNet/IP Slave (CMC-EIP01) 
12: PROFINET Slave (CMC-PN01) 
RO 
D1024 
–  
D1026 
-- 
-- 
D1027 
PID calculation frequency command (frequency command after 
PID calculation) 
RO 
D1028  AVI value (0.00–100.00%)  RO 
D1029  ACI value (0.0–100.00%)  RO 
D1030  AUI value (-100.0–100.00%)  RO 
D1031  C series: extension card AI10 (0.0–100.0%)  RO 
D1032  C series: extension card AI11 (0.0–100.0%)  RO 
D1033 
– 
D1035 
-- 
-- 
D1036 Servo error bit  RO 
D1037  Drive output frequency    RO 
D1038 DCBUS voltage  RO 
D1039 Output voltage  RO 
D1040  Analog output value AFM1 (-100.00–100.00%)  RW 
D1041  C series: extension card AO10 (0.0–100.0%)  RW 
D1042  C series: extension card AO11 (0.0–100.0%)  RW 
D1043 
Can be user-defined (will be displayed on panel when Pr. 00-04 is set as 28; 
display method is C xxx) 
RW 
D1044 -- 
- 
D1045  Analog output value AFM2 (-100.00–100.00%)  RW