IBM 29 User Manual

Purpose of Left-Zero Relays and Points
Relay Point
Type
Purpose
Relay
Point
Type
Purpose
201A
Register 3A, 1-bit relay. 211A
Register 4A, 2-bit relay.
1
N/O
Hold circuit to relay 201A.
1 N/O Hold circuit to relay 211A.
2
N/o Pick circuit to relay 201B.
2
N/O Pick circiut to relay 211B.
201B Register 3B, 1-bit relay.
211B
Register 4B, 2-bit relay.
1
N/o
Hold circuit to relay 201B.
1 N/o Hold circuit to relay 211B.
2
N/O
Pick circuit to relay 32BA.
2 N/o Pick circuit to relay 210A.
202A Register 4A, 1-bit relay.
212A
Register 5A, 2-bit relay.
1
N/O
Hold circuit to relay 202A.
1 N/O
Hold circuit to relay 212A.
2
N/o
Pick circuit to relay 202B.
2
N/O
Pick circuit to relay 212B.
202B Register 4B, 1-bit relay.
212B
Register 5B, 2-bit relay.
1
N/o
Hold circuit to relay 202B ..
1
N/O
Hold circuits to relay 212B.
2
N/o
Pick circuit to relay 201A.
2 N/o Pick circuit to relay 211A.
203A Register 5A, 1-bit relay.
213A
Register 6A, 2-bit relay.
1
N/o
Hold circuit to relay 203A.
1 N/o Hold circuit to relay 213A.
2
N/O
Pick circuit to relay 203B.
2
N/o Pick circuit to relay 213B.
203B
Register 5B, 1-bit relay.
213B
Register 6B, 2-bit relay.
1 N/O Hold circuit to relay 213B.
1 N/o
Hold circuit to relay 203B.
2 N/o
Pick circuit to relay 212A.
2 N/O
Pick circuit to relay 202A.
214A Register 7 A, 2-bit relay.
204A
Register 6A, 1-bit relay.
1
N/o Hold circuit to relay 214A.
1
N/O
Hold circuit to relay 204A.
2
N/O Pick circuit to relay 214B.
2 N/O
Pick circuit to relay 204B.
214B
Register 7B, 2-bit relay.
204B
Register 6B, 1-bit relay.
1 N/O Hold circuit to relay 214B.
1 N/O
Hold circuit to relay 204B.
2 N/O Pick circuit to relay 213A.
2
N/O
Pick circuit to relay 203A.
215A
Register BA, 2-bit relay.
205A
Register 7 A, 1-bit relay.
1
N/O
Hold circuit to relay 215A.
1 N/o Hold circuit to relay 205A.
2 N/o Pick circuit to relay 215B.
2
N/o
Pick circuit to relay 205B.
215B
Register BB, 2-bit relay.
205B
Register 7B, 1-bit relay.
1
N/O Hold circuit to relay 215B.
1 N/o
Hold circuit to relay 205B.
2 N/O
Pick circuit to relay 214A.
2
N/O
Pick circuit to relay 204A.
216
Field-Size relay, BCD coding to the
206A
Register BA, 1-bit relay.
A-registers.
1 N/o
4-bit input to register 4A.
1 N/o
Hold circuit to relay 206A.
2 N/o
B-bit input to register 4A.
2
N/o
Pick circuit to relay 206B.
3
N/o
1-bit input to register 3A.
206B
Register BB, 1-bit relay.
4 N/O
2-bit input to register 3A.
1 N/O
Hold circuit to relay 206B.
5 N/O 5-bit input to register 3A.
2
N/o
Pick circuit to relay 205A.
6 N/O B-bit input to register 3A.
20B
Field-Size relay, BCD coding circuits
217
Field-Size relay, BCD coding to the
to A-registers.
A-registers.
1 N/C
4-bit input to register 7 A.
1 N/O Circuit for 2-bit.
2 N/C
8-bit input to register 7 A.
2
N/O Circuit for 4-bit.
3 N/C
1-bit input to register 6A.
3
N/O
Circuit for B-bit.
4 N/C
2-bit input to register 6A.
4
N/O Circuit for 2-bit.
5
N/C
8-bit input to register 6A.
5
N/o
Circuit for 1-bit.
6 N/C
4-bit input to register 6A.
6 N/O Circuit for 1-bit.
209
Field-Size relay, BCD coding to the
21B Field-Size relay, BCD coding to the
A-registers.
A-registers.
1
N/o
Circuit for 8-bit.
1
N/O
Circuit for 4-bit.
2 N/o Circuit for 4-bit.
2 N/o Circuit for 8-bit.
210A
Register 3A, 2-bit relay.
219A
Register 3A, 4-bit relay.
1 N/o Hold circuit to relay 210A.
1
N/O
Hold circuit for relay 219A.
2 N/O
Pick circuit to relay 210B.
2 N/o Pick circuit for relay 219B.
210B
Register 3B, 2-bit relay. 219B
Register 3B, 4-bit relay.
1
N/O Hold circuit to relay 210B. 1
N/O Hold circuit to relay 219B.
2 N/o Pick circuit to relay 310A. 2
N/o Pick circuit to relay 310A.
2-1

IBM 29 Specifications

General

Brand	IBM
Model	29
Category	Computer Hardware
Language	English