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High-speed Counter Board Section 2-1
Preliminary PC Setup Settings
To use high-speed counters 1 to 4, make the following settings in PROGRAM
mode.
Count Frequency,
Numeric Range Mode, and
Reset Method
DM 6602
DM 6611
Slot 1: DM 6602
Slot 2: DM 6611
Data Format and Sourcing/Sinking Setting for External Outputs
External Outputs 1 to 4 Transistor Selector
0 Hex: Sourcing (PNP)
1 Hex: Sinking (NPN)
High-speed Counters 1 to 4 PV Data Format
0 Hex: 8-digit hexadecimal (BIN)
1 Hex: 8-digit BCD
Default: 0000 (8-digit hexadecimal and sourcing (PNP))
Input Mode, Count Frequency, Numeric Range Mode, and Counter Reset Method
High-speed counter 1
Slot 1: Bits 00 to 07 of DM 6640 Slot 2: Bits 00 to 07 of DM 6643
High-speed counter 2
Slot 1: Bits 08 to 15 of DM 6640 Slot 2: Bits 08 to 15 of DM 6643
High-speed counter 3
Slot 1: Bits 00 to 07 of DM 6641 Slot 2: Bits 00 to 07 of DM 6644
High-speed counter 4
Slot 1: Bits 08 to 15 of DM 6641 Slot 2: Bits 08 to 15 of DM 6644
Count Frequency, Numeric Range Mode, and Counter
Reset Method (See following table.)
High-speed Counter Input Mode
0 Hex: 1x Differential phase input
1 Hex: 2x Differential phase input
2 Hex: 4x Differential phase input
3 Hex: Up/Down pulse input
4 Hex: Pulse/Direction input
Default: 0000 (1x differential phase input, 50 kHz, Linear Mode, phase-Z + software reset)
DM 6640, DM 6641,
DM 6643, DM 6644
15 0
Bit
00
15 0
Bit
Value Count
frequency
Numeric Range Mode Counter reset method
0 Hex 50 KHz Linear Mode Phase Z + software
reset
1 Hex Software reset only
2 Hex Ring Mode Phase Z + software
reset
3 Hex Software reset only
4 Hex 500 KHz Linear Mode Phase Z + software
reset
5 Hex Software reset only
6 Hex Ring Mode Phase Z + software
reset
7 Hex Software reset only
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