Discrete output board, 32-channel, 24 VDC, potential contact, without terminal block (RKJ3204X1-BA1) Analogue input board: 8-channel 4-20 mA, HART, 4-wire terminal block (RRE4003S2B1) Analogue input characteristic module (CHARM); for RTD thermistors (RSE4303T03) Redundant pair of analogue input cards, 8 channels, 4-20 mA, HART, double width terminal block (RRE4033S2B1) RRE4003S2B11 Series 2 Plus Analog Input Board: 16-channel 4-20 mA, HART, Terminal Block for 4-wire Series 2 Plus Analogue Input Board: 16-channel 4-20 mA, HART (RKC3010X1-BA2) Discrete output board: 32-channel, 24 VDC potential contact, group terminal block (40-pin remote connector) Analogue input board: 8-channel 4-20 mA, HART, 16-pin group terminal block (RRE4003S2B4) Redundant pair of serial interface cards (RRE4036P2) 2 ports, double width terminal block Discrete input board, 8-channel, 24 VDC, dry contact (RKJ3202X1-BA2) Series 2 Plus digital input board: 32-channel, 24 VDC, dry contact, group terminal block (RRE4001S2T2B6)