Owner manual

© Sealevel Systems, Inc. - 10 -
REL-32 User Manual
Output Ports (Reed Relay) Pin Assignments
Via standard 6’ cable, DB-78 Male to dual DB-37 Male connectors, Part Number
CA172. The DB-37 connectors are labeled “Ports 1,2” and “Port 3,4”.
Port 1 Port 2
Relay A Side Relay B Side Relay A Side Relay B Side
Relay Port 1 -
A
Pin Port 1 -
B
Pin Relay Port 2
- A
Pin Port 2 -
B
Pin
K1 1 2 1 20 K9 1 10 1 28
K2 2 3 2 21 K10 2 11 2 29
K3 3 4 3 22 K11 3 12 3 30
K4 4 5 4 23 K12 4 13 4 31
K5 5 6 5 24 K13 5 14 5 32
K6 6 7 6 25 K14 6 15 6 33
K7 7 8 7 26 K15 7 16 7 34
K8 8 9 8 27 K16 8 17 8 35
Port 3 Port 4
Relay A Side Relay B Side Relay A Side Relay B Side
Relay Port 3 -
A
Pin Port 3 -
B
Pin Relay Port 4 -
A
Pin Port 4 -
B
Pin
K17 1 2 1 20 K25 1 10 1 28
K18 2 3 2 21 K26 2 11 2 29
K19 3 4 3 22 K27 3 12 3 30
K20 4 5 4 23 K28 4 13 4 31
K21 5 6 5 24 K29 5 14 5 32
K22 6 7 6 25 K30 6 15 6 33
K23 7 8 7 26 K31 7 16 7 34
K24 8 9 8 27 K32 8 17 8 35
Power and Ground Pin Assignments
Via standard 6’ cable, DB-78 Male to dual DB-37 Male connectors, Part Number
CA172.
Ground 18, 36, 37
+ 5 Volts 19
+ 12 Volts 1