A21REL-12 Relay Driver
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INSTRUCTION MANUAL A21 REL-12 Relay Driver Revision: 12/91 Copyright (c) 1981-1991 Campbell Scientific, Inc.
INSTRUCTION MANUAL A21 REL-12 Relay Driver Revision: 12/91 Copyright (c) 1981-1991 Campbell Scientific, Inc.
A21REL-12 Relay Driver
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... under normal use and service for twelve (12) months from defects in countries served by Campbell Scientific, Inc. products which Campbell Scientific company serves your country. To obtain a Returned Materials Authorization (RMA), contact CAMPBELL SCIENTIFIC, INC., phone (435) 753-2342. CAMPBELL SCIENTIFIC's shipping address is for a particular purpose. to repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective products. The customer...
... under normal use and service for twelve (12) months from defects in countries served by Campbell Scientific, Inc. products which Campbell Scientific company serves your country. To obtain a Returned Materials Authorization (RMA), contact CAMPBELL SCIENTIFIC, INC., phone (435) 753-2342. CAMPBELL SCIENTIFIC's shipping address is for a particular purpose. to repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective products. The customer...
A21REL-12 Relay Driver
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... and REL NO return to device under control REL NC Normally closed relay output to normal states. 1 A21 REL-12 RELAY DRIVER FUNCTION: Provide drive capability for four external relays controlled by a 12 V source on the relay coil. When presented with 5 V, REL NC and REL NO invert their normal states... until CTRL goes to 0V at 120 V COIL CURRENT: 13 mA/relay CONNECTIONS: +12 V External 12 V source Ground Low side of external source REL COM Low side of device under control CTRL To datalogger control port. The A21 REL...
... and REL NO return to device under control REL NC Normally closed relay output to normal states. 1 A21 REL-12 RELAY DRIVER FUNCTION: Provide drive capability for four external relays controlled by a 12 V source on the relay coil. When presented with 5 V, REL NC and REL NO invert their normal states... until CTRL goes to 0V at 120 V COIL CURRENT: 13 mA/relay CONNECTIONS: +12 V External 12 V source Ground Low side of external source REL COM Low side of device under control CTRL To datalogger control port. The A21 REL...