C&H Technologies M218 User Manual

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Brand: C&H Technologies

Category: Switch

Type: Operation & user’s manual for C&H Technologies M218

Pages: 28

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12
Reg. 10
Row 0 Set Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R0C3 R0C2 R0C1 R0C0
Read Unused R0C3 R0C2 R0C1 R0C0
Reg. 12
Row 0 Reset Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R0C3 R0C2 R0C1 R0C0
Read Unused R0C3 R0C2 R0C1 R0C0
Reg. 14
Row 1 Set Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R1C3 R1C2 R1C1 R1C0
Read Unused R1C3 R1C2 R1C1 R1C0
Reg. 16
Row 1 Reset Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R1C3 R1C2 R1C1 R1C0
Read Unused R1C3 R1C2 R1C1 R1C0
Reg. 18
Row 2 Set Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R2C3 R2C2 R2C1 R2C0
Read Unused R2C3 R2C2 R2C1 R2C0
Reg. 1A
Row 2 Reset Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R2C3 R2C2 R2C1 R2C0
Read Unused R2C3 R2C2 R2C1 R2C0
Reg. 1C
Row 3 Set Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R3C3 R3C2 R3C1 R3C0
Read Unused R3C3 R3C2 R3C1 R3C0
Reg. 1E
Row 1 Reset Register
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Write Unused R3C3 R3C2 R3C1 R3C0
Read Unused R3C3 R3C2 R3C1 R3C0
RxCy Row x, Column y (1 = close relay, 0 = open relay)
Note: The Switch M-Modules use a row and column relay drive scheme. To close a particular relay, write a
logic “1” to the corresponding column in a Row n Set register. To open a relay, write a logic 0” in
the corresponding column in a Row n Reset register. For example, to close the Channel 04 relay on
the M218 (Row 1, Column 0 in relay drive scheme) place a logic “1” in bit 00 of the Row 1 Set
register. To open this relay, place a logic “0” in bit 00 of the Row 1 Reset register. Table V shows the
correlation of the matrix drive rows and columns to Switch M-Module channels.
Figure 4. M218 I/O Registers (continued)
C&H Technologies, Inc. <> 445 Round Rock West Drive <> Round Rock, Texas 78681 <> www.chtech.com